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Home >> Toyota >> 2008 >> Sienna LE, AWD >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control System >> Vehicle Stability Control System >> ABS Warning Light does not Come ON >> Inspection Procedure

Inspection Procedure

  1. CHECK ABS WARNING LIGHT 
    1. Disconnect the skid control ECU connector.
    2. Turn the ignition switch to the ON position.
    3. Check that the ABS warning light comes on.

      OK: ABS warning light comes on. 

      HINT:

      If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE , refer back to the table and proceed to the next step.

    NG: Go to step 2 

    OK: REPLACE BRAKE ACTUATOR ASSEMBLY 

  2. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER) 
    1. Turn the ignition switch off.
    2. Disconnect the combination meter connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      S3-29(WA)-C10-7 Below 1 Ω
      S3-29 (WA) - Body ground 10 kΩ or higher
    4. Fig 1: Identifying Skid Control ECU Connector S3 Terminals And Combination Meter Assembly
      G05139712Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to Next Step 

  3. INSPECT COMBINATION METER ASSEMBLY 
    1. Check the combination meter (See HOW TO PROCEED WITH TROUBLESHOOTING ).

      HINT:

      If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE , refer back to the table and proceed to the next step.

    NG: REPLACE COMBINATION METER ASSEMBLY 

    OK: END