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DTC U1002: Lost Communication with Gateway Module (Main Body) [09/2016 - 09/2017]: Procedure

  1. CHECK SUB BUS 1 
    1. Disconnect the cable from the negative (-) battery terminal.
      GTY508680Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (to Main Body ECU [Multiplex Network Body ECU])
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Resistance: Malfunction
      I47-9 (CANP) - I47-10 (CANN) Cable disconnected from negative (-) battery terminal 54 to 69 Ω Below 53 Ω: Short in CAN bus wire
      I47-9 (CANP) - I47-10 (CANN) Cable disconnected from negative (-) battery terminal 54 to 69 Ω Higher than 70 Ω: Open in CAN main wire
      I47-9 (CANP) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher Below 6 kΩ: +B short
      I47-10 (CANN) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher Below 6 kΩ: +B short
      I47-9 (CANP) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher Below 200 Ω: Ground short
      I47-10 (CANN) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher Below 200 Ω: Ground short

      Result

      Result Proceed to
      OK A
      NG
      - Open in CAN main wire      		 B
      NG
      - Short in CAN bus wire      		 C
      NG
      - +B short
      - Ground short      		 D

    Result: 

    B 

    See step  4

    Result: 

    C 

    See step  13

    Result: 

    D 

    See step  38

    Result: 

    A 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BATTERY AND BODY GROUND) 
    1. Reconnect the cable to the negative (-) battery terminal.
      NOTE:

      When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

      Refer to INITIALIZATION [10/2014 - 09/2017]

      GTY496044Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Main Body ECU [Multiplex Network Body ECU])
    2. Remove the main body ECU (multiplex network body ECU).

      Refer to REMOVAL [10/2014 - 05/2019]

    3. Reconnect the 4A, 4C, 4D and 4F instrument panel junction block assembly connectors.
    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      A-31 (BECU) - Body ground Always 11 to 14 V
      A-32 (IG) - Body ground Engine switch on (IG) 11 to 14 V
      A-30 (ACC) - Body ground Engine switch on (ACC) 11 to 14 V
    5. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A-11 (GND1) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [10/2014 - 05/2019] 

    Result: 

    NG 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - BATTERY AND BODY GROUND) 
    1. Disconnect the instrument panel junction block assembly connectors.
      GTY511788Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Instrument Panel Junction Block Assembly)      		 - -
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      4D-49 - Body ground Always 11 to 14 V
      4F-1 - Body ground Always 11 to 14 V
      4C-28 - Body ground Engine switch on (ACC) 11 to 14 V
      4C-44 - Body ground Engine switch on (IG) 11 to 14 V
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      4D-9 - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  4. CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 5 CAN JUNCTION CONNECTOR) 
    1. Disconnect the No. 5 CAN junction connector.
      GTY521004Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 5 CAN Junction Connector)
      *b to No. 7 CAN Junction Connector
      *c to No. 4 CAN Junction Connector
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I97-5 (CANH) - I97-16 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      I97-6 (CANH) - I97-17 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Result Proceed to
      OK A
      NG (to No. 7 CAN junction connector CAN main wire) B
      NG (to No. 4 CAN junction connector CAN main wire) C

    Result: 

    A 

    REPLACE NO. 5 CAN JUNCTION CONNECTOR 

    Result: 

    C 

    See step  9

    Result: 

    B 

    See step  5

  5. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 7 CAN JUNCTION CONNECTOR) 
    1. Disconnect the No. 7 CAN junction connector.
      GTY513425Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 7 CAN Junction Connector)
      *b to No. 5 CAN Junction Connector
      *c to No. 2 CAN Junction Terminal
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Y22-5 (CANH) - Y22-16 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      Y22-7 (CANH) - Y22-18 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Result Proceed to
      OK A
      NG (to No. 2 CAN junction terminal CAN main wire) B
      NG (to No. 5 CAN junction connector CAN main wire) C

    Result: 

    A 

    REPLACE NO. 7 CAN JUNCTION CONNECTOR 

    Result: 

    C 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 7 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 

    Result: 

    B 

    See step  7

  7. CONNECT CONNECTOR 
    1. Reconnect the No. 7 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  8

  8. CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 2 CAN JUNCTION TERMINAL) 
    1. Disconnect the No. 2 CAN junction terminal connector.
      GTY513089Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 2 CAN Junction Terminal)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Y23-3 (CANH) - Y23-2 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 2 CAN JUNCTION TERMINAL - NO. 7 CAN JUNCTION CONNECTOR) 

  9. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  10

  10. CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 4 CAN JUNCTION CONNECTOR) 
    1. Disconnect the No. 4 CAN junction connector.
      GTY513428Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 4 CAN Junction Connector)
      *b to Main Body ECU (Multiplex Network Body ECU)
      *c to No. 5 CAN Junction Connector
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I96-4 (CANH) - I96-15 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      I96-7 (CANH) - I96-18 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Result Proceed to
      OK A
      NG (to main body ECU [multiplex network body ECU] CAN main wire) B
      NG (to No. 5 CAN junction connector CAN main wire) C

    Result: 

    A 

    REPLACE NO. 4 CAN JUNCTION CONNECTOR 

    Result: 

    C 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 4 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 

    Result: 

    B 

    See step  11

  11. CONNECT CONNECTOR 
    1. Reconnect the No. 4 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  12

  12. CHECK FOR OPEN IN CAN BUS MAIN WIRE (MAIN BODY ECU) 
    1. Disconnect the main body ECU (multiplex network body ECU) connector.
      GTY507004Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Main Body ECU [Multiplex Network Body ECU])
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I47-9 (CANP) - I47-10 (CANN) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [10/2014 - 05/2019] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTED TO MAIN BODY ECU (MAIN BODY ECU - NO. 4 CAN JUNCTION CONNECTOR) 

  13. CHECK FOR SHORT IN CAN BUS WIRES (NO. 7 CAN JUNCTION CONNECTOR) 
    1. Disconnect the Y22 No. 7 CAN junction connector.
      GTY502186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (to Main Body ECU [Multiplex Network Body ECU])
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I47-9 (CANP) - I47-10 (CANN) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  21

    Result: 

    OK 

    See step  14

  14. CHECK FOR SHORT IN CAN BUS WIRES (NO. 7 CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY521124Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 7 CAN Junction Connector)      		 *b to Rear Television Camera Assembly
      *c to Multiplex Network Door ECU (w/ Power Back Door System) *d to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      Y22-4 (CANH) - Y22-15 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y22-6 (CANH) - Y22-17 (CANL)* Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y22-7 (CANH) - Y22-18 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      () *: w/ Power Back Door System

      Result

      Result Proceed to
      OK A
      NG (to rear television camera assembly CAN branch wire) B
      NG (to multiplex network door ECU CAN branch wire) (w/ Power Back Door System) C
      NG (to No. 2 CAN junction terminal CAN main wire) D

    Result: 

    A 

    REPLACE NO. 7 CAN JUNCTION CONNECTOR 

    Result: 

    C 

    See step  17

    Result: 

    D 

    See step  19

    Result: 

    B 

    See step  15

  15. CONNECT CONNECTOR 
    1. Reconnect the No. 7 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  16

  16. CHECK FOR SHORT IN CAN BUS WIRES (REAR TELEVISION CAMERA ASSEMBLY) 
    1. Disconnect the rear television camera assembly connector.
      GTY512383Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Rear Television Camera Assembly)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Y25-4 (CANH) - Y25-1 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR TELEVISION CAMERA ASSEMBLY. Refer to  REMOVAL [10/2014 - 09/2017] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO REAR TELEVISION CAMERA ASSEMBLY (CANH, CANL) 

  17. CONNECT CONNECTOR 
    1. Reconnect the No. 7 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  18

  18. CHECK FOR SHORT IN CAN BUS WIRES (MULTIPLEX NETWORK DOOR ECU) 
    1. Disconnect the multiplex network door ECU connector.
      GTY673168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Multiplex Network Door ECU)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Y26-39 (CANP) - Y26-40 (CANN) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MULTIPLEX NETWORK DOOR ECU. Refer to  REMOVAL [09/2016 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO MULTIPLEX NETWORK DOOR ECU (CANP, CANN) 

  19. CONNECT CONNECTOR 
    1. Reconnect the No. 7 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  20

  20. CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 CAN JUNCTION TERMINAL) 
    1. Disconnect the No. 2 CAN junction terminal connector.
      GTY513088Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 2 CAN Junction Terminal)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Y23-3 (CANH) - Y23-2 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 2 CAN JUNCTION TERMINAL - NO. 7 CAN JUNCTION CONNECTOR) 

  21. CONNECT CONNECTOR 
    1. Reconnect the No. 7 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  22

  22. CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 CAN JUNCTION CONNECTOR) 
    1. Disconnect the I97 No. 5 CAN junction connector.
      GTY502186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (to Main Body ECU [Multiplex Network Body ECU])
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I47-9 (CANP) - I47-10 (CANN) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  32

    Result: 

    OK 

    See step  23

  23. CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY513971Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 5 CAN Junction Connector)      		 *b to Headlight Light Control ECU Sub-assembly LH (for Triple Beam Headlight)
      *c to Multiplex Tilt and Telescopic ECU (for Power Tilt and Power Telescopic Steering Column) *d to No. 7 CAN Junction Connector
      *e to Front Power Seat Switch LH (w/ Memory) *f to Outer Mirror Control ECU Assembly LH (w/ Memory)

      Standard Resistance

      Tester Connection Condition Specified Condition
      I97-3 (CANH) - I97-14 (CANL)*1 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-4 (CANH) - I97-15 (CANL)*2 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-5 (CANH) - I97-16 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      I97-7 (CANH) - I97-18 (CANL)*3 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-8 (CANH) - I97-19 (CANL)*3 Cable disconnected from negative (-) battery terminal 200 Ω or higher

      () *1: for Triple Beam Headlight*2: for Power Tilt and Power Telescopic Steering Column*3: w/ Memory

      Result

      Result Proceed to
      OK A
      NG (to headlight light control ECU sub-assembly LH CAN branch wire) (for Triple Beam Headlight) B
      NG (to multiplex tilt and telescopic ECU CAN branch wire) (for Power Tilt and Power Telescopic Steering Column) C
      NG (to front power seat switch LH CAN branch wire) (w/ Memory) D
      NG (to outer mirror control ECU assembly LH CAN branch wire) (w/ Memory) E
      NG (to No. 7 CAN junction connector CAN main wire) F

    Result: 

    A 

    REPLACE NO. 5 CAN JUNCTION CONNECTOR 

    Result: 

    C 

    See step  26

    Result: 

    D 

    See step  28

    Result: 

    E 

    See step  30

    Result: 

    F 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - NO. 7 CAN JUNCTION CONNECTOR) 

    Result: 

    B 

    See step  24

  24. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  25

  25. CHECK FOR SHORT IN CAN BUS WIRES (HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH) 
    1. Disconnect the headlight light control ECU sub-assembly LH connector.
      GTY518294Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Headlight Light Control ECU Sub-assembly LH)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A19-24 (CANH) - A19-23 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [10/2014 - 09/2017] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH (CANH, CANL) 

  26. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  27

  27. CHECK FOR SHORT IN CAN BUS WIRES (MULTIPLEX TILT AND TELESCOPIC ECU) 
    1. Disconnect the multiplex tilt and telescopic ECU connector.
      GTY510657Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Multiplex Tilt and Telescopic ECU)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I60-3 (CANP) - I60-11 (CANN) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MULTIPLEX TILT AND TELESCOPIC ECU. Refer to  REMOVAL [10/2014 - 05/2019] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO MULTIPLEX TILT AND TELESCOPIC ECU (CANP, CANN) 

  28. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  29

  29. CHECK FOR SHORT IN CAN BUS WIRES (FRONT POWER SEAT SWITCH LH) 
    1. Disconnect the front power seat switch LH connector.
      GTY497340Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Front Power Seat Switch LH)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      g12-8 (CANP) - g12-7 (CANN) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FRONT POWER SEAT SWITCH LH. Refer to  REMOVAL [10/2014 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO FRONT POWER SEAT SWITCH LH (CANP, CANN) 

  30. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  31

  31. CHECK FOR SHORT IN CAN BUS WIRES (OUTER MIRROR CONTROL ECU ASSEMBLY LH) 
    1. Disconnect the outer mirror control ECU assembly LH connector.
      GTY510016Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Outer Mirror Control ECU Assembly LH)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M5-9 (CANP) - M5-8 (CANN) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH. Refer to  REMOVAL [10/2014 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO OUTER MIRROR CONTROL ECU ASSEMBLY LH (CANP, CANN) 

  32. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  33

  33. CHECK FOR SHORT IN CAN BUS WIRES (NO. 4 CAN JUNCTION CONNECTOR) 
    1. Disconnect the No. 4 CAN junction connector.
      GTY513988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 4 CAN Junction Connector)      		 *b to Main Body ECU (Multiplex Network Body ECU)
      *c to Outer Mirror Control ECU Assembly RH (w/ Memory) *d to No. 5 CAN Junction Connector
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I96-4 (CANH) - I96-15 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      I96-5 (CANH) - I96-16 (CANL)* Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I96-7 (CANH) - I96-18 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      () *: w/ Memory

      Result

      Result Proceed to
      OK A
      NG (to main body ECU [multiplex network body ECU] CAN main wire) B
      NG (to outer mirror control ECU assembly CAN branch wire) (w/ Memory) C
      NG (to No. 5 CAN junction connector CAN main wire) D

    Result: 

    A 

    REPLACE NO. 4 CAN JUNCTION CONNECTOR 

    Result: 

    C 

    See step  36

    Result: 

    D 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 4 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 

    Result: 

    B 

    See step  34

  34. CONNECT CONNECTOR 
    1. Reconnect the No. 4 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  35

  35. CHECK FOR SHORT IN CAN BUS WIRES (MAIN BODY ECU) 
    1. Disconnect the main body ECU (multiplex network body ECU) connector.
      GTY496013Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Main Body ECU [Multiplex Network Body ECU])
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I47-9 (CANP) - I47-10 (CANN) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [10/2014 - 05/2019] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO MAIN BODY ECU (CANP, CANN) 

  36. CONNECT CONNECTOR 
    1. Reconnect the No. 4 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  37

  37. CHECK FOR SHORT IN CAN BUS WIRES (OUTER MIRROR CONTROL ECU ASSEMBLY RH) 
    1. Disconnect the outer mirror control ECU assembly RH connector.
      GTY510010Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Outer Mirror Control ECU Assembly RH)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L5-9 (CANP) - L5-8 (CANN) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH. Refer to  REMOVAL [10/2014 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO OUTER MIRROR CONTROL ECU ASSEMBLY RH (CANP, CANN) 

  38. CHECK FOR SHORT IN CAN BUS WIRES (NO. 7 CAN JUNCTION CONNECTOR) 
    1. Disconnect the Y22 No. 7 CAN junction connector.
      GTY519955Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (to Main Body ECU [Multiplex Network Body ECU])
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I47-9 (CANP) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I47-10 (CANN) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I47-9 (CANP) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I47-10 (CANN) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  46

    Result: 

    OK 

    See step  39

  39. CHECK FOR SHORT IN CAN BUS WIRES (NO. 7 CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY518548Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 7 CAN Junction Connector)      		 *b Front view of DLC3
      *c to Rear Television Camera Assembly *d to Multiplex Network Door ECU (w/ Power Back Door System)
      *e to No. 2 CAN Junction Terminal - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      Y22-4 (CANH) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y22-15 (CANL) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y22-4 (CANH) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      Y22-15 (CANL) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      Y22-6 (CANH) - I7-4 (CG)* Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y22-17 (CANL) - I7-4 (CG)* Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y22-6 (CANH) - I7-16 (BAT)* Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      Y22-17 (CANL) - I7-16 (BAT)* Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      Y22-7 (CANH) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y22-18 (CANL) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y22-7 (CANH) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      Y22-18 (CANL) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      () *: w/ Power Back Door System

      Result

      Result Proceed to
      OK A
      NG (to rear television camera assembly CAN branch wire) B
      NG (to multiplex network door ECU CAN branch wire) (w/ Power Back Door System) C
      NG (to No. 2 CAN junction terminal CAN main wire) D

    Result: 

    A 

    REPLACE NO. 7 CAN JUNCTION CONNECTOR 

    Result: 

    C 

    See step  42

    Result: 

    D 

    See step  44

    Result: 

    B 

    See step  40

  40. CONNECT CONNECTOR 
    1. Reconnect the No. 7 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  41

  41. CHECK FOR SHORT IN CAN BUS WIRES (REAR TELEVISION CAMERA ASSEMBLY) 
    1. Disconnect the rear television camera assembly connector.
      GTY505417Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Rear Television Camera Assembly)
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Y25-4 (CANH) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y25-1 (CANL) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y25-4 (CANH) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      Y25-1 (CANL) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR TELEVISION CAMERA ASSEMBLY. Refer to  REMOVAL [10/2014 - 09/2017] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO REAR TELEVISION CAMERA ASSEMBLY (CANH, CANL) 

  42. CONNECT CONNECTOR 
    1. Reconnect the No. 7 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  43

  43. CHECK FOR SHORT IN CAN BUS WIRES (MULTIPLEX NETWORK DOOR ECU) 
    1. Disconnect the multiplex network door ECU connector.
      GTY638676Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Multiplex Network Door ECU)
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Y26-39 (CANP) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y26-40 (CANN) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y26-39 (CANP) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      Y26-40 (CANN) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MULTIPLEX NETWORK DOOR ECU. Refer to  REMOVAL [09/2016 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO MULTIPLEX NETWORK DOOR ECU (CANP, CANN) 

  44. CONNECT CONNECTOR 
    1. Reconnect the No. 7 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  45

  45. CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 CAN JUNCTION TERMINAL) 
    1. Disconnect the No. 2 CAN junction terminal connector.
      GTY502874Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 2 CAN Junction Terminal)
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Y23-3 (CANH) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y23-2 (CANL) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      Y23-3 (CANH) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      Y23-2 (CANL) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 2 CAN JUNCTION TERMINAL - NO. 7 CAN JUNCTION CONNECTOR) 

  46. CONNECT CONNECTOR 
    1. Reconnect the No. 7 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  47

  47. CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 CAN JUNCTION CONNECTOR) 
    1. Disconnect I97 the No. 5 CAN junction connector.
      GTY519955Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (to Main Body ECU [Multiplex Network Body ECU])
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I47-9 (CANP) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I47-10 (CANN) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I47-9 (CANP) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I47-10 (CANN) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  57

    Result: 

    OK 

    See step  48

  48. CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY502264Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 5 CAN Junction Connector)      		 *b Front view of DLC3
      *c to Headlight Light Control ECU Sub-assembly LH (for Triple Beam Headlight) *d to Multiplex Tilt and Telescopic ECU (for Power Tilt and Power Telescopic Steering Column)
      *e to No. 7 CAN Junction Connector *f to Front Power Seat Switch LH (w/ Memory)
      *g to Outer Mirror Control ECU Assembly LH (w/ Memory) - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      I97-3 (CANH) - I7-4 (CG)*1 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-14 (CANL) - I7-4 (CG)*1 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-3 (CANH) - I7-16 (BAT)*1 Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I97-14 (CANL) - I7-16 (BAT)*1 Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I97-4 (CANH) - I7-4 (CG)*2 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-15 (CANL) - I7-4 (CG)*2 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-4 (CANH) - I7-16 (BAT)*2 Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I97-15 (CANL) - I7-16 (BAT)*2 Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I97-5 (CANH) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-16 (CANL) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-5 (CANH) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I97-16 (CANL) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I97-7 (CANH) - I7-4 (CG)*3 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-18 (CANL) - I7-4 (CG)*3 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-7 (CANH) - I7-16 (BAT)*3 Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I97-18 (CANL) - I7-16 (BAT)*3 Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I97-8 (CANH) - I7-4 (CG)*3 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-19 (CANL) - I7-4 (CG)*3 Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I97-8 (CANH) - I7-16 (BAT)*3 Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I97-19 (CANL) - I7-16 (BAT)*3 Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      () *1: for Triple Beam Headlight*2: for Power Tilt and Power Telescopic Steering Column*3: w/ Memory

      Result

      Result Proceed to
      OK A
      NG (to headlight light control ECU sub-assembly LH CAN branch wire) (for Triple Beam Headlight) B
      NG (to multiplex tilt and telescopic ECU CAN branch wire) (for Power Tilt and Power Telescopic Steering Column) C
      NG (to front power seat switch LH CAN branch wire) (w/ Memory) D
      NG (to outer mirror control ECU assembly LH CAN branch wire) (w/ Memory) E
      NG (to No. 7 CAN junction connector CAN main wire) F

    Result: 

    A 

    REPLACE NO. 5 CAN JUNCTION CONNECTOR 

    Result: 

    C 

    See step  51

    Result: 

    D 

    See step  53

    Result: 

    E 

    See step  55

    Result: 

    F 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - NO. 7 CAN JUNCTION CONNECTOR) 

    Result: 

    B 

    See step  49

  49. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  50

  50. CHECK FOR SHORT IN CAN BUS WIRES (HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH) 
    1. Disconnect the headlight light control ECU sub-assembly LH connector.
      GTY503062Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Headlight Light Control ECU Sub-assembly LH)
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A19-24 (CANH) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      A19-23 (CANL) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      A19-24 (CANH) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      A19-23 (CANL) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [10/2014 - 09/2017] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH (CANH, CANL) 

  51. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  52

  52. CHECK FOR SHORT IN CAN BUS WIRES (MULTIPLEX TILT AND TELESCOPIC ECU) 
    1. Disconnect the multiplex tilt and telescopic ECU connector.
      GTY496603Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Multiplex Tilt and Telescopic ECU)
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I60-3 (CANP) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I60-11 (CANN) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I60-3 (CANP) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I60-11 (CANN) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MULTIPLEX TILT AND TELESCOPIC ECU. Refer to  REMOVAL [10/2014 - 05/2019] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO MULTIPLEX TILT AND TELESCOPIC ECU (CANP, CANN) 

  53. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  54

  54. CHECK FOR SHORT IN CAN BUS WIRES (FRONT POWER SEAT SWITCH LH) 
    1. Disconnect the front power seat switch LH connector.
      GTY512022Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Front Power Seat Switch LH)
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      g12-8 (CANP) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      g12-7 (CANN) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      g12-8 (CANP) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      g12-7 (CANN) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FRONT POWER SEAT SWITCH LH. Refer to  REMOVAL [10/2014 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO FRONT POWER SEAT SWITCH LH (CANP, CANN) 

  55. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  56

  56. CHECK FOR SHORT IN CAN BUS WIRES (OUTER MIRROR CONTROL ECU ASSEMBLY LH) 
    1. Disconnect the outer mirror control ECU assembly LH connector.
      GTY504804Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Outer Mirror Control ECU Assembly LH)
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M5-9 (CANP) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      M5-8 (CANN) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      M5-9 (CANP) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      M5-8 (CANN) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH. Refer to  REMOVAL [10/2014 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO OUTER MIRROR CONTROL ECU ASSEMBLY LH (CANP, CANN) 

  57. CONNECT CONNECTOR 
    1. Reconnect the No. 5 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  58

  58. CHECK FOR SHORT IN CAN BUS WIRES (NO. 4 CAN JUNCTION CONNECTOR) 
    1. Disconnect the No. 4 CAN junction connector.
      GTY621659Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 4 CAN Junction Connector)      		 *b Front view of DLC3
      *c to Main Body ECU (Multiplex Network Body ECU) *d to Outer Mirror Control ECU Assembly RH (w/ Memory)
      *e to No. 5 CAN Junction Connector - -
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I96-4 (CANH) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I96-15 (CANL) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I96-4 (CANH) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I96-15 (CANL) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I96-5 (CANH) - I7-4 (CG)* Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I96-16 (CANL) - I7-4 (CG)* Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I96-5 (CANH) - I7-16 (BAT)* Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I96-16 (CANL) - I7-16 (BAT)* Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I96-7 (CANH) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I96-18 (CANL) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I96-7 (CANH) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I96-18 (CANL) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      () *: w/ Memory

      Result

      Result Proceed to
      OK A
      NG (to main body ECU [multiplex network body ECU] CAN main wire) B
      NG (to outer mirror control ECU assembly RH CAN branch wire) (w/ Memory) C
      NG (to No. 5 CAN junction connector CAN main wire) D

    Result: 

    A 

    REPLACE NO. 4 CAN JUNCTION CONNECTOR 

    Result: 

    C 

    See step  61

    Result: 

    D 

    REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 4 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 

    Result: 

    B 

    See step  59

  59. CONNECT CONNECTOR 
    1. Reconnect the No. 4 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  60

  60. CHECK FOR SHORT IN CAN BUS WIRES (MAIN BODY ECU) 
    1. Disconnect the main body ECU (multiplex network body ECU) connector.
      GTY508618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Main Body ECU [Multiplex Network Body ECU])
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I47-9 (CANP) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I47-10 (CANN) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I47-9 (CANP) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I47-10 (CANN) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [10/2014 - 05/2019] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO MAIN BODY ECU (CANP, CANN) 

  61. CONNECT CONNECTOR 
    1. Reconnect the No. 4 CAN junction connector.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  62

  62. CHECK FOR SHORT IN CAN BUS WIRES (OUTER MIRROR CONTROL ECU ASSEMBLY RH) 
    1. Disconnect the outer mirror control ECU assembly RH connector.
      GTY504805Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Outer Mirror Control ECU Assembly RH)
      *b Front view of DLC3
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L5-9 (CANP) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L5-8 (CANN) - I7-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L5-9 (CANP) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      L5-8 (CANN) - I7-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH. Refer to  REMOVAL [10/2014 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO OUTER MIRROR CONTROL ECU ASSEMBLY RH (CANP, CANN) 

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