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Home >> Lexus >> 2001 >> IS 300 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System - Diagnosis >> Circuit Inspection >> SLIP Indicator Light Circuit >> Inspection Procedure

Inspection Procedure

NOTE:

Start the inspection from step 1 in case of using the LEXUS hand-held tester and start from step 2 in case of not using the LEXUS hand-held tester.

  1. Check operation of the SLIP indicator light. 

    PREPARATION:

    1. Connect the LEXUS hand-held tester to the DLC3.
    2. Turn the ignition switch ON and push the LEXUS hand-held tester main switch ON.
    3. Select the ACTIVE TEST mode on the LEXUS hand-held tester.

    CHECK:

    Check that "ON" and "OFF" of the SLIP indicator light can be shown on the combination meter by the LEXUS hand-held tester.

    1. OK : Go to step   4 . 
    2. NG : GO TO NEXT STEP 

  2. Check that the SLIP indicator light is ON for 3 seconds soon after ignition switch is turned ON. 
    1. OK : Check and replace ABS & TRAC ECU. 
    2. NG : GO TO NEXT STEP 
  3. Check SLIP indicator light. 

    See combination meter troubleshooting on DTC B1271/71: COMBINATION METER ECU COMMUNICATION .

    1. NG : Repair bulb or combination meter assembly, see  INSTRUMENT CLUSTER  . 
    2. OK : GO TO NEXT STEP 
  4. Check for open and short circuit in harness and connector between ABS & TRAC ECU and SLIP indicator light. 
    1. NG : Repair or replace harness or connector. 
    2. OK : Check and replace ABS & TRAC ECU. 
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