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Home >> Lexus >> 2019 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Circuit Tests (1 Of 9) & Diagnostic Codes >> Can Communication System >> DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U115C-87: Lost Communication with ECM/PCM "A" (ch5) Missing Message; DTC U1171-87: Lost Communication with Brake System Control Module (ch3) Missing Message [10/2023 - ] >> Procedure
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DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U115C-87: Lost Communication with ECM/PCM "A" (ch5) Missing Message; DTC U1171-87: Lost Communication with Brake System Control Module (ch3) Missing Message [10/2023 - ]: Procedure

  1. RECONFIRM DTC OUTPUT 
    1. Check for DTCs.

      Chassis > Brake > Trouble Codes 

      Chassis > EMPS > Trouble Codes 

      Chassis > DRS > Trouble Codes 

      Chassis > Adaptive Variable Suspension System > Trouble Codes 

      Powertrain > Engine > Trouble Codes 

      Chassis > Air suspension > Trouble Codes 

      Display on GTS / Output DTC Pattern
      Pattern1 Pattern2 Pattern3 Pattern4 Pattern5 Pattern6
      Brake U0134-87 ◦ - ◦ - - -
      EMPS U0134-87 - ◦ ◦ - - -
      U115C-87 - - - - - -
      DRS U1171-87 ◦ - ◦ - - -
      Adaptive Variable Suspension System U1171-87 ◦ - - ◦ - -
      Engine U115C-87 - - - - - -
      Air suspension - - - - - - -

      ◦: DTC is output-: DTC is not output

      Result

      Result Proceed to
      Pattern 1 A
      Pattern 2 B
      Pattern 3 C
      Pattern 4 D
      Pattern 5 E
      Pattern 6 F
      Other pattern G

    Result: 

    B 

    See step  3

    Result: 

    C 

    See step  4

    Result: 

    D 

    See step  5

    Result: 

    E 

    See step  6

    Result: 

    F 

    See step  7

    Result: 

    G 

    See step  8

    Result: 

    A 

    See step  2

  2. CHECK FOR OPEN IN CAN BUS WIRE (BRAKE ACTUATOR ASSEMBLY [SKID CONTROL ECU] - NO. 5 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the A123 brake actuator assembly (skid control ECU) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A102-28 (CA3H) - A102-44 (CA3H) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU). Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (BRAKE ACTUATOR ASSEMBLY [SKID CONTROL ECU] - NO. 5 CAN JUNCTION CONNECTOR) 

  3. CHECK FOR OPEN IN CAN BUS WIRE (RACK AND PINION POWER STEERING GEAR ASSEMBLY - NO. 5 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the B4 rack and pinion power steering gear assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      B4-10 (CA2H) - B4-11 (CA2L) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY 

    for 2WD: Refer to REMOVAL [10/2023 - ]

    for AWD: Refer to REMOVAL [10/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (RACK AND PINION POWER STEERING GEAR ASSEMBLY - NO. 5 CAN JUNCTION CONNECTOR) 

  4. CHECK FOR OPEN IN CAN BUS WIRE (REAR STEERING CONTROL ECU ASSEMBLY - NO. 15 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the P21 rear steering control ECU assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      P21-4 (CANH) - P21-3 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR STEERING CONTROL ECU ASSEMBLY. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (REAR STEERING CONTROL ECU ASSEMBLY - NO. 15 CAN JUNCTION CONNECTOR) 

  5. CHECK FOR OPEN IN CAN BUS WIRE (ABSORBER CONTROL ECU - NO. 5 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the L46 absorber control ECU connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L46-19 (CA2H) - L46-18 (CA2L) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ABSORBER CONTROL ECU. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (ABSORBER CONTROL ECU - NO. 5 CAN JUNCTION CONNECTOR) 

  6. CHECK FOR OPEN IN CAN BUS WIRE (ECM - NO. 5 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the A95 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A95-34 (CANH) - A95-33 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (ECM - NO. 5 CAN JUNCTION CONNECTOR) 

  7. CHECK FOR OPEN IN CAN BUS WIRE (SUSPENSION CONTROL ECU - NO. 5 CAN JUNCTION CONNECTOR) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the L105 suspension control ECU connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L105-22 (CA2H) - L105-21 (CA2L) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SUSPENSION CONTROL ECU. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (SUSPENSION CONTROL ECU - NO. 5 CAN JUNCTION CONNECTOR) 

  8. CHECK FOR OPEN IN CAN BUS WIRE 
    NOTE:

    Before measuring the resistance of the CAN bus, turn the ignition switch off and leave the vehicle for 1 minute or more without operating the key or any switches, or opening or closing the doors. After that, disconnect the cable from the negative (-) battery terminal and leave the vehicle for 1 minute or more before measuring the resistance.

    HINT: 

    Operating the ignition switch, any other switches or door triggers related ECU and sensor communication on the CAN. This communication will cause the resistance value to change.

    1. Disconnect the cable from the negative (-) battery terminal.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L133-3 (CA3P) - L133-2 (CA3N) Cable disconnected from negative (-) battery terminal Below 70 Ω
      GTY1240084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (No. 8 CAN Junction Terminal)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  69

    Result: 

    OK 

    See step  9

  9. CHECK FOR SHORT IN CAN BUS WIRES 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1240084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (No. 8 CAN Junction Terminal)

      Standard Resistance

      Tester Connection Condition Specified Condition
      L133-3 (CA3P) - L133-2 (CA3N) Cable disconnected from negative (-) battery terminal 54 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  50

    Result: 

    OK 

    See step  10

  10. CHECK FOR SHORT TO B+ IN CAN BUS WIRE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1240084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (No. 8 CAN Junction Terminal)

      Standard Resistance

      Tester Connection Condition Specified Condition
      L133-3 (CA3P) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      L133-2 (CA3N) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  31

    Result: 

    OK 

    See step  11

  11. CHECK FOR SHORT TO GND IN CAN BUS WIRE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1240084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (No. 8 CAN Junction Terminal)

      Standard Resistance

      Tester Connection Condition Specified Condition
      L133-3 (CA3P) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L133-2 (CA3N) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 8 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    See step  12

  12. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - NO. 15 CAN JUNCTION CONNECTOR) 
    1. Disconnect the G123 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
      G123-11 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      G123-1 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  16

    Result: 

    OK 

    See step  13

  13. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-15 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      G123-5 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  28

    Result: 

    OK 

    See step  14

  14. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-12 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      G123-2 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  29

    Result: 

    OK 

    See step  15

  15. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - ECM) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-17 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      G123-7 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 5 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  30

  16. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 
    1. Disconnect the L120 No. 15 CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-4 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L120-10 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  17

  17. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - NO. 8 CAN JUNCTION TERMINAL) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-3 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L120-9 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  24

    Result: 

    OK 

    See step  18

  18. CHECK VEHICLE TYPE 
    1. Check the vehicle type.

      Result

      Result Proceed to
      w/ Air Suspension System A
      w/o Air Suspension System B

    Result: 

    B 

    See step  20

    Result: 

    A 

    See step  19

  19. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - SUSPENSION CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-1 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L120-7 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  25

    Result: 

    OK 

    See step  20

  20. CHECK VEHICLE TYPE 
    1. Check the vehicle type.

      Result

      Result Proceed to
      w/ Adaptive Variable Suspension System A
      w/o Adaptive Variable Suspension System B

    Result: 

    B 

    See step  22

    Result: 

    A 

    See step  21

  21. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - ABSORBER CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-2 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L120-8 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  26

    Result: 

    OK 

    See step  22

  22. CHECK VEHICLE TYPE 
    1. Check the vehicle type.

      Result

      Result Proceed to
      w/ Dynamic Rear Steering System A
      w/o Dynamic Rear Steering System B

    Result: 

    B 

    REPLACE NO. 15 CAN JUNCTION CONNECTOR 

    Result: 

    A 

    See step  23

  23. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - REAR STEERING CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-5 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L120-11 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 15 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  27

  24. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - NO. 8 CAN JUNCTION TERMINAL) 
    1. Disconnect the L133 No. 8 CAN junction terminal connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-3 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L120-9 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 8 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - NO. 8 CAN JUNCTION TERMINAL) 

  25. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - SUSPENSION CONTROL ECU) 
    1. Disconnect the L105 suspension control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-1 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L120-7 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SUSPENSION CONTROL ECU. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - SUSPENSION CONTROL ECU) 

  26. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - ABSORBER CONTROL ECU) 
    1. Disconnect the L46 absorber control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-2 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L120-8 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ABSORBER CONTROL ECU. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - ABSORBER CONTROL ECU) 

  27. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - REAR STEERING CONTROL ECU) 
    1. Disconnect the P21 rear steering control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-5 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      L120-11 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR STEERING CONTROL ECU. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - REAR STEERING CONTROL ECU) 

  28. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)) 
    1. Disconnect the A123 brake actuator assembly (skid control ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-15 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      G123-5 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU). Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - NO. 15 CAN JUNCTION CONNECTOR) 

  29. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Disconnect the B4 rack and pinion power steering gear assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-12 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      G123-2 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY 

    for 2WD: Refer to REMOVAL [10/2023 - ]

    for AWD: Refer to REMOVAL [10/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 

  30. CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - ECM) 
    1. Disconnect the A95 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-17 (CANH) - Body ground Cable disconnected from negative (-) battery terminal 200 Ω or higher
      G123-7 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - ECM) 

  31. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - NO. 15 CAN JUNCTION CONNECTOR) 
    1. Disconnect the G123 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
      G123-11 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      G123-1 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  35

    Result: 

    OK 

    See step  32

  32. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-15 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      G123-5 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  47

    Result: 

    OK 

    See step  33

  33. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-12 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      G123-2 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  48

    Result: 

    OK 

    See step  34

  34. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - ECM) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-17 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      G123-7 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 5 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  49

  35. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 
    1. Disconnect the L120 No. 15 CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-4 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      L120-10 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  36

  36. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - NO. 8 CAN JUNCTION TERMINAL) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-3 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      L120-9 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  43

    Result: 

    OK 

    See step  37

  37. CHECK VEHICLE TYPE 
    1. Check the vehicle type.

      Result

      Result Proceed to
      w/ Air Suspension System A
      w/o Air Suspension System B

    Result: 

    B 

    See step  39

    Result: 

    A 

    See step  38

  38. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - SUSPENSION CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-1 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      L120-7 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  44

    Result: 

    OK 

    See step  39

  39. CHECK VEHICLE TYPE 
    1. Check the vehicle type.

      Result

      Result Proceed to
      w/ Adaptive Variable Suspension System A
      w/o Adaptive Variable Suspension System B

    Result: 

    B 

    See step  41

    Result: 

    A 

    See step  40

  40. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - ABSORBER CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-2 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      L120-8 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  45

    Result: 

    OK 

    See step  41

  41. CHECK VEHICLE TYPE 
    1. Check the vehicle type.

      Result

      Result Proceed to
      w/ Dynamic Rear Steering System A
      w/o Dynamic Rear Steering System B

    Result: 

    B 

    REPLACE NO. 15 CAN JUNCTION CONNECTOR 

    Result: 

    A 

    See step  42

  42. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - REAR STEERING CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-5 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      L120-11 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 15 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  46

  43. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - NO. 8 CAN JUNCTION TERMINAL) 
    1. Disconnect the L133 No. 8 CAN junction terminal connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-3 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      L120-9 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 8 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - NO. 8 CAN JUNCTION TERMINAL) 

  44. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - SUSPENSION CONTROL ECU) 
    1. Disconnect the L105 suspension control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-1 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      L120-7 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SUSPENSION CONTROL ECU. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - SUSPENSION CONTROL ECU) 

  45. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - ABSORBER CONTROL ECU) 
    1. Disconnect the L46 absorber control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-2 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      L120-8 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ABSORBER CONTROL ECU. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - ABSORBER CONTROL ECU) 

  46. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - REAR STEERING CONTROL ECU) 
    1. Disconnect the P21 rear steering control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-5 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      L120-11 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR STEERING CONTROL ECU. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - REAR STEERING CONTROL ECU) 

  47. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)) 
    1. Disconnect the A123 brake actuator assembly (skid control ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-15 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      G123-5 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU). Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - NO. 15 CAN JUNCTION CONNECTOR) 

  48. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Disconnect the B4 rack and pinion power steering gear assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-12 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      G123-2 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY 

    for 2WD: Refer to REMOVAL [10/2023 - ]

    for AWD: Refer to REMOVAL [10/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 

  49. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - ECM) 
    1. Disconnect the A95 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-17 (CANH) - Positive (+) battery terminal Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      G123-7 (CANL) - Positive (+) battery terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - ECM) 

  50. CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 CAN JUNCTION CONNECTOR - NO. 15 CAN JUNCTION CONNECTOR) 
    1. Disconnect the G123 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
      G123-11 (CANH) - G123-7 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  54

    Result: 

    OK 

    See step  51

  51. CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 CAN JUNCTION CONNECTOR - BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-15 (CANH) - G123-5 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  66

    Result: 

    OK 

    See step  52

  52. CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-12 (CANH) - G123-2 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  67

    Result: 

    OK 

    See step  53

  53. CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 CAN JUNCTION CONNECTOR - ECM) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-17 (CANH) - G123-7 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 5 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  68

  54. CHECK FOR SHORT IN CAN BUS WIRES (NO. 15 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 
    1. Disconnect the L120 No. 15 CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-4 (CANH) - L120-10 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  55

  55. CHECK FOR SHORT IN CAN BUS WIRES (NO. 15 CAN JUNCTION CONNECTOR - NO. 8 CAN JUNCTION TERMINAL) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-3 (CANH) - L120-9 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  62

    Result: 

    OK 

    See step  56

  56. CHECK VEHICLE TYPE 
    1. Check the vehicle type.

      Result

      Result Proceed to
      w/ Air Suspension System A
      w/o Air Suspension System B

    Result: 

    B 

    See step  58

    Result: 

    A 

    See step  57

  57. CHECK FOR SHORT IN CAN BUS WIRES (NO. 15 CAN JUNCTION CONNECTOR - SUSPENSION CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-1 (CANH) - L120-7 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  63

    Result: 

    OK 

    See step  58

  58. CHECK VEHICLE TYPE 
    1. Check the vehicle type.

      Result

      Result Proceed to
      w/ Adaptive Variable Suspension System A
      w/o Adaptive Variable Suspension System B

    Result: 

    B 

    See step  60

    Result: 

    A 

    See step  59

  59. CHECK FOR SHORT IN CAN BUS WIRES (NO. 15 CAN JUNCTION CONNECTOR - ABSORBER CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-2 (CANH) - L120-8 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  64

    Result: 

    OK 

    See step  60

  60. CHECK VEHICLE TYPE 
    1. Check the vehicle type.

      Result

      Result Proceed to
      w/ Dynamic Rear Steering System A
      w/o Dynamic Rear Steering System B

    Result: 

    B 

    REPLACE NO. 15 CAN JUNCTION CONNECTOR 

    Result: 

    A 

    See step  61

  61. CHECK FOR SHORT IN CAN BUS WIRES (NO. 15 CAN JUNCTION CONNECTOR - REAR STEERING CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-5 (CANH) - L120-11 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 15 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  65

  62. CHECK FOR SHORT IN CAN BUS WIRES (NO. 15 CAN JUNCTION CONNECTOR - NO. 8 CAN JUNCTION TERMINAL) 
    1. Disconnect the L133 No. 8 CAN junction terminal connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-3 (CANH) - L120-9 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 8 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - NO. 8 CAN JUNCTION TERMINAL) 

  63. CHECK FOR SHORT IN CAN BUS WIRES (NO. 15 CAN JUNCTION CONNECTOR - SUSPENSION CONTROL ECU) 
    1. Disconnect the L105 suspension control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-1 (CANH) - L120-7 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SUSPENSION CONTROL ECU. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - SUSPENSION CONTROL ECU) 

  64. CHECK FOR SHORT IN CAN BUS WIRES (NO. 15 CAN JUNCTION CONNECTOR - ABSORBER CONTROL ECU) 
    1. Disconnect the L46 absorber control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-2 (CANH) - L120-8 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ABSORBER CONTROL ECU. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - ABSORBER CONTROL ECU) 

  65. CHECK FOR SHORT IN CAN BUS WIRES (NO. 15 CAN JUNCTION CONNECTOR - REAR STEERING CONTROL ECU) 
    1. Disconnect the P21 rear steering control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-5 (CANH) - L120-11 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR STEERING CONTROL ECU. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - REAR STEERING CONTROL ECU) 

  66. CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 CAN JUNCTION CONNECTOR - BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)) 
    1. Disconnect the A123 brake actuator assembly (skid control ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-15 (CANH) - G123-5 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU). Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - NO. 15 CAN JUNCTION CONNECTOR) 

  67. CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Disconnect the B4 rack and pinion power steering gear assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-12 (CANH) - G123-2 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      1. *1: for LHD
      2. *2: for RHD

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY 

    for 2WD: Refer to REMOVAL [10/2023 - ]

    for AWD: Refer to REMOVAL [10/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 

  68. CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 CAN JUNCTION CONNECTOR - ECM) 
    1. Disconnect the A95 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-17 (CANH) - G123-7 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - ECM) 

  69. CHECK FOR OPEN IN CAN BUS WIRE (NO. 5 CAN JUNCTION CONNECTOR - NO. 15 CAN JUNCTION CONNECTOR) 
    1. Disconnect the G123 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
      G123-11 (CANH) - G123-1 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  71

    Result: 

    OK 

    See step  70

  70. CHECK FOR OPEN IN CAN BUS WIRE (BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU) - NO. 5 CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G123-11 (CANH) - G123-1 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 5 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  73

  71. CHECK FOR OPEN IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 
    1. Reconnect the G123 No. 5 CAN junction connector.
    2. Disconnect the L120 No. 15 CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-4 (CANH) - L120-10 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 15 CAN JUNCTION CONNECTOR - NO. 5 CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  72

  72. CHECK FOR OPEN IN CAN BUS WIRE (NO. 15 CAN JUNCTION CONNECTOR - NO. 8 CAN JUNCTION TERMINAL) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L120-3 (CANH) - L120-9 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 15 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  74

  73. CHECK FOR OPEN IN CAN BUS WIRE (BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU) - NO. 5 CAN JUNCTION CONNECTOR) 
    1. Reconnect the G123 No. 5 CAN junction connector.
    2. Disconnect the A123 brake actuator assembly (skid control ECU) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A123-16 (CA2H) - A123-17 (CA2L) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU). Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU) - NO. 5 CAN JUNCTION CONNECTOR) 

  74. CHECK FOR OPEN IN CAN BUS WIRE (NO. 8 CAN JUNCTION TERMINAL - NO. 15 CAN JUNCTION CONNECTOR) 
    1. Reconnect the L120 No. 15 CAN junction connector.
    2. Disconnect the L133 No. 8 CAN junction terminal connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L133-3 (CANP) - L133-2 (CANN) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 8 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BUS WIRE OR CONNECTOR (NO. 8 CAN JUNCTION TERMINAL - NO. 15 CAN JUNCTION CONNECTOR) 

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