LIGHTING SYSTEM ALL Stop Light do not Illuminate

WIRING DIAGRAM

A01QQDXE01

CAUTION / NOTICE / HINT

Note


  • When replacing the brake actuator assembly (skid control ECU), perform zero point calibration.

    Click here

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

    Click here


  • *: w/ Entry and Start System

PROCEDURE


  1. CHECK STOP LIGHT OPERATION


    1. Check that the stop lights illuminate when the brakepedal is depressed.

      OK
      The stop lights illuminate when the brake pedal isdepressed.
      Result
      Proceed to
      OK
      NG

    OK

    CHECK CONNECTOR CONNECTION CONDITION

    NG

  2. CHECK HARNESS AND CONNECTOR (OUT)


    1. Disconnect the A80 brake acyuator assembly.

    2. Disconnect the A77 stoplight light switch assembly connector.

    3. Disconnect the M13 rear combination light lens and body LH connector.

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

    5. Disconnect the U1 center stop light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A80-35 (STP) - A77-1 (OUT) Always Below 1 Ω
      A80-35 (STP) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK STOP LIGHT SWITCH ASSEMBLY (OUT)


    1. Disconnect the M13 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 Resistance
      Tester Connection Condition Specified Condition
      A77-1 (OUT) - Body ground Brake pedal depressed 11 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

    Inspect the rear combination light lens and body. Click here Inspect the center stop light assembly. Click here

    NG

    REPLACE STOP LIGHT SWITCH ASSEMBLY Click here