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Terminals Of Ecu [04/2013 - 09/2020]

  1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    Fig 1: Certification ECU (Smart Key ECU Assembly) Connector Terminal Identification
    GTY458943Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K6 certification ECU (smart key ECU assembly) connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      K6-11 (E) - Body ground - BR - Body ground Ground Always Below 1 Ω -
      K6-10 (+B) - K6-11 (E) Input BE - BR Power supply Always 11 to 14 V -
    3. Reconnect the K6 certification ECU (smart key ECU assembly) connector.
    4. Measure the voltage and check for pulses according to the value(s) in the table below.
      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      A13-3 (IG1D) - K6-11 (E) Output V - BR IG power supply Engine switch off → on (IG) Below 1 V → 11 to 14 V -
      K6-4 (CLG1) - K6-11 (E) Output G - BR Output to driver door electrical key antenna
      (request signal (challenge) is sent to door electrical key antenna from certification ECU (smart key ECU assembly) to form detection area)      		 Procedure:
      1. Engine switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought inside detection area*)

      		 Pulse generation
      (See waveform 1)      		 Overhead + Driver Side (key diagnostic mode)
      Procedure:
      1. Engine switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought outside detection area*)

      		 Pulse generation
      (See waveform 2)
      K6-4 (CLG1) - K6-11 (E) Input G - BR Input to driver door lock sensor
      (front door outside handle assembly (for driver side) lock sensor on signal is sent to the certification ECU (smart key ECU assembly))      		 Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought outside detection area*)

      5. Driver door lock sensor touched
      		 Pulse generation
      (See waveform 9)      		 D-Door Trigger Switch
      K6-4 (CLG1) - K6-11 (E) Input G - BR Input to driver door unlock sensor
      (when system is in unlock standby mode and unlock sensor is touched, door electrical key antenna sends unlock sensor input signal (sensing) to certification ECU (smart key ECU assembly))      		 Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors locked
      4. Electrical key transmitter sub-assembly not near the vehicle
      5. Driver door unlock sensor touched
      		 Pulse generation
      (See waveform 10)      		 D-Door Touch Sensor
      K6-3 (CG1B) - K6-11 (E) Output B - BR Output to driver door electrical key antenna (terminal on opposite side of component from CLG1 output terminal) Procedure:
      1. Engine switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought inside detection area*)

      		 Pulse generation
      (See waveform 1)      		 Overhead + Driver Side (key diagnostic mode)
      Procedure:
      1. Engine switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought outside detection area*)

      		 Pulse generation
      (See waveform 2)
      K6-2 (CLG2) - K6-11 (E) Output GR - BR Output to front passenger door electrical key antenna
      (request signal (challenge) is sent to door electrical key antenna from certification ECU (smart key ECU assembly) to form detection area)      		 Procedure:
      1. Engine switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought inside detection area*)

      		 Pulse generation
      (See waveform 1)      		 Overhead + Passenger Side (key diagnostic mode)
      Procedure:
      1. Engine switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought outside detection area*)

      		 Pulse generation
      (See waveform 2)
      K6-2 (CLG2) - K6-11 (E) Input GR - BR Input to front passenger door lock sensor
      (front door outside handle assembly (for front passenger door) lock sensor on signal is sent to the certification ECU (smart key ECU assembly))      		 Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought outside detection area*)

      5. Front passenger door lock sensor touched
      		 Pulse generation
      (See waveform 9)      		 P-Door Trigger Switch
      K6-2 (CLG2) - K6-11 (E) Input GR - BR Input to front passenger door unlock sensor
      (when system is in unlock standby mode and unlock sensor is touched, door electrical key antenna sends unlock sensor input signal (sensing) to certification ECU (smart key ECU assembly))      		 Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors locked
      4. Electrical key transmitter sub-assembly not near the vehicle
      5. Front passenger door unlock sensor touched
      		 Pulse generation
      (See waveform 10)      		 P-Door Touch Sensor
      K6-1 (CG2B) - K6-11 (E) Output R - BR Output to front passenger door electrical key antenna (terminal on opposite side of component from CLG2 output terminal) Procedure:
      1. Engine switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought inside detection area*)

      		 Pulse generation
      (See waveform 1)      		 Overhead + Passenger Side (key diagnostic mode)
      Procedure:
      1. Engine switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought outside detection area*)

      		 Pulse generation
      (See waveform 2)
      K6-21 (CLG5) - K6-11 (E) Output B - BR Output to No. 2 indoor electrical key antenna assembly (front floor) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly not inside vehicle
      3. Within 30 seconds of closing any door using the door outside handle
      		 Pulse generation
      (See waveform 3)      		 Overhead + Front Room (key diagnostic mode)
      K6-20 (CG5B) - K6-11 (E) Output V - BR Output to No. 2 indoor electrical key antenna assembly (front floor) (terminal on opposite side of component from CLG5 output terminal) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly not inside vehicle
      3. Within 30 seconds of closing any door using the door outside handle
      		 Pulse generation
      (See waveform 3)      		 Overhead + Front Room (key diagnostic mode)
      K5-5 (TSW5) - K6-11 (E) Input G - BR Luggage electrical key switch signal input Luggage electrical key switch off → on Pulse generation
      (See waveform 6)      		 Tr/B-Door Unlock SW
      K5-15 (CLG6) - K6-11 (E) Output LG - BR Output to indoor electrical key antenna (rear floor) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly not inside vehicle
      3. Within 30 seconds of closing any door using the door outside handle
      		 Pulse generation
      (See waveform 3)      		 Overhead + Rear Room (key diagnostic mode)
      K5-14 (CG6B) - K6-11 (E) Output BE - BR Output to indoor electrical key antenna (rear floor) (terminal on opposite side of component from CLG6 output terminal) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly not inside vehicle
      3. Within 30 seconds of closing any door using the door outside handle
      		 Pulse generation
      (See waveform 3)      		 Overhead + Rear Room (key diagnostic mode)
      K5-4 (CLG7) - K6-11 (E) Output SB - BR Output to No. 1 indoor electrical key antenna assembly (inside luggage) Procedure:
      1. Door is closed
      2. Engine switch off
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. Driver door lock sensor touched
      		 Pulse generation
      (See waveform 4)      		 Luggage + Luggage (inside) (key diagnostic mode)
      K5-3 (CG7B) - K6-11 (E) Output P - BR Output to No. 1 indoor electrical key antenna assembly (inside luggage) (terminal on opposite side of component from CLG7 output terminal) Procedure:
      1. Door is closed
      2. Engine switch off
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. Driver door lock sensor touched
      		 Pulse generation
      (See waveform 4)      		 Luggage + Luggage (inside) (key diagnostic mode)
      K5-18 (RCO) - K6-11 (E) Output LG - BR Output to door control and tire pressure monitoring system receiver assembly
      (Power supply for door control and tire pressure monitoring system receiver assembly. Certification ECU (smart key ECU assembly) outputs 5 V when receiver starts operating.)      		 Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area
      3. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
      		 Pulse generation
      (See waveform 7)      		 -
      K5-19 (CSEL) - K6-11 (E) Output B - BR Communication channel switching circuit Procedure:
      1. Engine switch off
      2. All doors closed
      		 Below 1 V → pulse generation -
      K5-20 (RDAM) - K6-11 (E) Input R - BR Door control and tire pressure monitoring system receiver assembly verifies data received from electrical key transmitter sub-assembly.
      Door control and tire pressure monitoring system receiver assembly sends data from electrical key transmitter sub-assembly to certification ECU (smart key ECU assembly) (Door control and tire pressure monitoring system receiver assembly intermittently grounds 12 V signal from certification ECU (smart key ECU assembly)).      		 Proceed:
      1. Engine switch off
      2. All doors locked
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area
      5. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
      		 Pulse generation
      (See waveform 8)      		 -
      K5-2 (CLG8) - K6-11 (E) Output B - BR Output to electrical key antenna (outside luggage compartment) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Luggage electrical key switch off → on
      		 Pulse generation
      (See waveform 5)      		 Overhead + Luggage (key diagnostic mode)
      K5-1 (CG8B) - K6-11 (E) Output W - BR Output to electrical key antenna (outside luggage compartment) (terminal on opposite side of component from CLG8 output terminal) Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Luggage electrical key switch off → on
      		 Pulse generation
      (See waveform 5)      		 Overhead + Luggage (key diagnostic mode)
      1. *: For details about the entry function detection area, refer to Operation Check.

        Refer to OPERATION CHECK [04/2013 - 09/2020] 

    5. Using an oscilloscope, check waveform 1.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Fig 2: Waveform 1
      GTY448796Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection K6-4 (CLG1) - K6-11 (E)
      K6-3 (CG1B) - K6-11 (E)
      K6-2 (CLG2) - K6-11 (E)
      K6-1 (CG2B) - K6-11 (E)
      Tool Setting 5 V/DIV., 500 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought inside detection area*)
      1. *: For details about the entry function detection area, refer to Operation Check.

        Refer to OPERATION CHECK [04/2013 - 09/2020] 

    6. Using an oscilloscope, check waveform 2.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Fig 3: Waveform 2
      GTY427636Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection K6-4 (CLG1) - K6-11 (E)
      K6-3 (CG1B) - K6-11 (E)
      K6-2 (CLG2) - K6-11 (E)
      K6-1 (CG2B) - K6-11 (E)
      Tool Setting 5 V/DIV., 500 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. All doors closed
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought outside detection area*)
      1. *: For details about the entry function detection area, refer to Operation Check.

        Refer to OPERATION CHECK [04/2013 - 09/2020] 

    7. Using an oscilloscope, check waveform 3.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Fig 4: Waveform 3
      GTY426276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a For 30 seconds after closing any door using the door outside handle
      *b 30 seconds or more have elapsed after closing any door using the door outside handle
      WAVEFORM 3 (REFERENCE)

      Item Content
      Tester Connection K6-21 (CLG5) - K6-11 (E)
      K6-20 (CG5B) - K6-11 (E)
      K5-15 (CLG6) - K6-11 (E)
      K5-14 (CG6B) - K6-11 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly not inside vehicle
      3. Within 30 seconds of closing any door using the door outside handle
    8. Using an oscilloscope, check waveform 4.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Fig 5: Waveform 4
      GTY468320Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Driver door lock sensor not touched
      *b Driver door lock sensor touched
      WAVEFORM 4 (REFERENCE)

      Item Content
      Tester Connection K5-4 (CLG7) - K6-11 (E)
      K5-3 (CG7B) - K6-11 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Procedure:
      1. Door is closed
      2. Engine switch off
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. Driver door lock sensor touched
    9. Using an oscilloscope, check waveform 5.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Fig 6: Waveform 5
      GTY432845Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      WAVEFORM 5 (REFERENCE)

      Item Content
      Tester Connection K5-2 (CLG8) - K6-11 (E)
      K5-1 (CG8B) - K6-11 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. Luggage electrical key switch off → on
    10. Using an oscilloscope, check waveform 6.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Fig 7: Waveform 6
      GTY379040Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Checking for switch on signal at short intervals
      WAVEFORM 6 (REFERENCE)

      Item Content
      Tester Connection K5-5 (TSW5) - K6-11 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Luggage electrical key switch off → on
    11. Using an oscilloscope, check waveform 7.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Fig 8: Waveform 7
      GTY376258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Before lock or unlock switch of electrical key transmitter sub-assembly pressed
      *b After lock or unlock switch of electrical key transmitter sub-assembly pressed
      WAVEFORM 7 (REFERENCE)

      Item Content
      Tester Connection K5-18 (RCO) - K6-11 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area
      3. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
    12. Using an oscilloscope, check waveform 8.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Fig 9: Waveform 8
      GTY367752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Before lock or unlock switch of electrical key transmitter sub-assembly pressed
      *b After lock or unlock switch of electrical key transmitter sub-assembly pressed
      WAVEFORM 8 (REFERENCE)

      Item Content
      Tester Connection K5-20 (RDAM) - K6-11 (E)
      Tool Setting 5 V/DIV., 500 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. All doors locked
      3. Electrical key transmitter sub-assembly not inside vehicle
      4. Electrical key transmitter sub-assembly brought outside detection area but kept inside wireless function operational area
      5. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed
    13. Using an oscilloscope, check waveform 9.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Fig 10: Waveform 9
      GTY430392Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lock sensor not touched
      *b Lock sensor touched
      WAVEFORM 9 (REFERENCE)

      Item Content
      Tester Connection K6-4 (CLG1) - K6-11 (E)
      K6-2 (CLG2) - K6-11 (E)
      Tool Setting 5 V/DIV., 40 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors closed
      4. All doors locked through wireless operation

        (electrical key transmitter sub-assembly brought outside detection area*)

      5. Lock sensor not touched → touched
      1. *: For details about the entry function detection area, refer to Operation Check.

        Refer to OPERATION CHECK [04/2013 - 09/2020] 

    14. Using an oscilloscope, check waveform 10.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Fig 11: Waveform 10
      GTY438196Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Unlock sensor not touched
      *b Unlock sensor touched
      WAVEFORM 10 (REFERENCE)

      Item Content
      Tester Connection K6-4 (CLG1) - K6-11 (E)
      K6-2 (CLG2) - K6-11 (E)
      Tool Setting 5 V/DIV., 40 ms/DIV.
      Condition Procedure:
      1. Engine switch off
      2. Electrical key transmitter sub-assembly brought outside vehicle
      3. All doors locked
      4. Electrical key transmitter sub-assembly not near the vehicle
      5. Unlock sensor not touched → touched
  2. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    Fig 12: Main Body ECU (Multiplex Network Body ECU) Connector Terminal Identification With 2 Connectors
    GTY466608Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *A Main Body ECU (Multiplex Network Body ECU) with 2 Connectors - -
    *1 Main Body ECU (Multiplex Network Body ECU) - -
    *a 2 Connectors - -
    Fig 13: Main Body ECU (Multiplex Network Body ECU) Connector Terminal Identification With 3 Connectors
    GTY456152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *A Main Body ECU (Multiplex Network Body ECU) with 3 Connectors - -
    *1 Main Body ECU (Multiplex Network Body ECU) - -
    *a 3 Connectors - -
    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      MB-11 (GND1) - Body ground - - Ground Always Below 1 Ω -
      MB-31 (BECU) - Body ground Input - Battery power supply (for CPU) Always 11 to 14 V -
      K2-6 (FLCY) - Body ground Input V - Body ground Front door LH courtesy light switch input Front door LH closed → open 10 kΩ or higher → Below 1 Ω FL Door Courtesy SW
      K2-27 (FRCY) - Body ground Input V - Body ground Front door RH courtesy light switch input Front door RH closed → open 10 kΩ or higher → Below 1 Ω FR Door Courtesy SW
      MB-13 (LCTY) - Body ground Input - Rear door LH courtesy light switch input Rear door LH closed → open 10 kΩ or higher → Below 1 Ω RL Door Courtesy SW
      MB-2 (RCTY) - Body ground Input - Rear door RH courtesy light switch input Rear door RH closed → open 10 kΩ or higher → Below 1 Ω RR Door Courtesy SW
    3. Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.
    4. Measure the voltage and check for pulses according to the value(s) in the table below.
      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      4B-26 (LSFL) - Body ground Input G - Body ground Front door LH unlock detection switch input Front door LH locked → unlocked Pulse generation
      (See waveform 1)      		 FL Door Lock Pos
      4B-27 (LSFR) - Body ground Input B - Body ground Front door RH unlock detection switch input Front door RH locked → unlocked Pulse generation
      (See waveform 1)      		 FR Door Lock Pos
      4B-23 (LSWL) - Body ground Input L - Body ground Rear door LH unlock detection switch input Rear door LH locked → unlocked Pulse generation
      (See waveform 1)      		 RL-Door Lock Pos SW
      K1-2 (LSWR) - Body ground Input W - Body ground Rear door RH unlock detection switch input Rear door RH locked → unlocked Pulse generation
      (See waveform 1)      		 RR-Door Lock Pos SW
      K2-6 (FLCY) - Body ground Input V - Body ground Front door LH courtesy light switch input Front door LH closed → open Pulse generation
      (See waveform 2)      		 FL Door Courtesy SW
      K2-27 (FRCY) - Body ground Input V - Body ground Front door RH courtesy light switch input Front door RH closed → open Pulse generation
      (See waveform 2)      		 FR Door Courtesy SW
      4D-25 (LCTY) - Body ground Input BE - Body ground Rear door LH courtesy light switch input Rear door LH closed → open Pulse generation
      (See waveform 2)      		 RL Door Courtesy SW
      4B-17 (RCTY) - Body ground Input BE - Body ground Rear door RH courtesy light switch input Rear door RH closed → open Pulse generation
      (See waveform 2)      		 RR Door Courtesy SW
      4D-16 (LGCY) - Body ground Input G - Body ground Luggage door courtesy light switch input Luggage compartment door closed → opened Pulse generation
      (See waveform 2)      		 Luggage Courtesy SW
      4C-28 (BZR) - Body ground Output G - Body ground Wireless buzzer signal output Procedure:
      1. Engine switch off
      2. All doors closed
      3. Lock switch of electrical key transmitter sub-assembly not pressed → pressed
      		 Below 1 V → pulse generation -
    5. Using an oscilloscope, check waveform 1.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      WAVEFORM 1 (REFERENCE)

      Item Content
      Tester Connection 4B-26 (LSFL) - Body ground
      4B-27 (LSFR) - Body ground
      4B-23 (LSWL) - Body ground
      K1-2 (LSWR) - Body ground
      Tool Setting 2 V/DIV., 200 ms/DIV.
      Condition Door locked → unlocked
      Fig 14: Waveform 1
      GTY443250Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Door locked
      *b Door unlocked
    6. Using an oscilloscope, check waveform 2.
      NOTE:

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      WAVEFORM 2 (REFERENCE)

      Item Content
      Tester Connection K2-6 (FLCY) - Body ground
      K2-27 (FRCY) - Body ground
      4D-25 (LCTY) - Body ground
      4B-17 (RCTY) - Body ground
      4D-16 (LGCY) - Body ground
      Tool Setting 2 V/DIV., 200 ms/DIV.
      Condition Door closed → opened
      Fig 15: Waveform 2
      GTY443251Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Door closed
      *b Door open
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