LIGHTING SYSTEM ALL Stop Light do not Illuminate

DTC Code DTC Name
ALL Stop Light do not Illuminate

WIRING DIAGRAM

E342965E03
E341489E06

CAUTION / NOTICE / HINT

Note:

  • When replacing the brake booster with master cylinder assembly (skid control ECU), perform zero point calibration.

    Click here

  • When the entry start function does not operate, check the entry and start system (start function).

    Click here

PROCEDURE

  1. CHECK STOP LIGHT OPERATION

    1. Check that the stop lights illuminate when the brake pedal is depressed.

      OK

      The stop lights illuminate when the brake pedal is depressed.

    Result

    Proceed to

    OK

    NG
    OK

    CHECK CONNECTOR CONNECTION CONDITION

    NG

  2. CHECK HARNESS AND CONNECTOR (OUT)

    • *1: for LHD

      *2: for RHD

    1. Disconnect the A110 brake booster with master cylinder assembly connector.

    2. Disconnect the A100*1 or A77*2 stop light switch assembly connector.

    3. Disconnect the A109*1 stop light control ECU assembly connector.

    4. Disconnect the N13 rear combination light lens and body LH connector.

    5. Disconnect the M19 rear combination light lens and body RH connector.

    6. Disconnect the U1 center stop light assembly connector.

    7. Disconnect the N39*1 vehicle approaching speaker controller connector.

    8. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      for LHD

      Tester Connection

      Condition

      Specified Condition

      A110-33 (STP) - A109-1 (OUT)

      Always

      Below 1 Ω

      A110-33 (STP) - Body ground

      Always

      10 kΩ or higher

      for RHD

      Tester Connection

      Condition

      Specified Condition

      A110-33 (STP) - A77-1 (OUT)

      Always

      Below 1 Ω

      A110-33 (STP) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK (for LHD)

    OK (for RHD)

    NG
    OK (for RHD)

    CHECK STOP LIGHT SWITCH ASSEMBLY (OUT)Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK (for LHD)

  3. CHECK STOP LIGHT CONTROL ECU ASSEMBLY (OUT)

    1. Disconnect the N13 rear combination light lens and body LH connector.

    2. Disconnect the M19 rear combination light lens and body RH connector.

    3. Disconnect the U1 center stop light assembly connector.

    4. Disconnect the N39 vehicle approaching speaker controller connector (w/ Vehicle Proximity Notification System).

    5. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      A109-1 (OUT) - Body ground

      Brake pedal depressed

      11 to 14 V

    Result

    Proceed to

    OK

    NG
    OK

    REPAIR OR REPLACE REAR COMBINATION LIGHT LENS AND BODY AND CENTER STOP LIGHT ASSEMBLY

    1. Inspect the rear combination light lens and body.

      Click here

    2. Inspect the center stop light assembly.

      Click here

    NG

    REPLACE STOP LIGHT CONTROL ECU ASSEMBLY

    Click here

  4. CHECK STOP LIGHT SWITCH ASSEMBLY (OUT)

    1. Disconnect the N13 rear combination light lens and body LH connector.

    2. Disconnect the M19 rear combination light lens and body RH connector.

    3. Disconnect the U1 center stop light assembly connector.

    4. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      A77-1 (OUT) - Body ground

      Brake pedal depressed

      11 to 14 V

    Result

    Proceed to

    OK

    NG
    OK

    REPAIR OR REPLACE REAR COMBINATION LIGHT LENS AND BODY AND CENTER STOP LIGHT ASSEMBLY

    1. Inspect the rear combination light lens and body.

      Click here

    2. Inspect the center stop light assembly.

      Click here

    NG

    REPLACE STOP LIGHT SWITCH ASSEMBLY

    Click here