FixVault
Home › Toyota › 2007 › Matrix Base, Standard › Repair and Diagnosis › Brakes › Traction Control › Brakes - Abs › Vehicle Stability Control System › ABS Warning Light does not Come ON › Inspection Procedure

Inspection Procedure

NOTE: When replacing the ABS and TRACTION actuator assembly, perform zero point calibration (See CALIBRATION  ).
  1. INSPECT ABS WARNING LIGHT 
    1. WHEN USING INTELLIGENT TESTER:
      1. Connect the intelligent tester to the DLC3 and start the engine.
      2. Select the "ABS WARN LIGHT" in the ACTIVE TEST and operate the ABS warning light by the intelligent tester.
        VEHICLE CONDITION REFERENCE CHART

        Item Vehicle Condition / Test Details Diagnostic Note
        ABS WARN LIGHT Turns ABS warning light ON / OFF Observe combination meter
      3. Check that "ON" and "OFF" of the ABS warning light can be shown on the combination meter by the intelligent tester.

        OK: The ABS warning light turns on or off in accordance with the intelligent tester. 

    2. WHEN NOT USING INTELLIGENT TESTER:
      1. Turn the ignition switch off and disconnect the connector from the skid control ECU.
      2. Ground terminal WA of the skid control ECU.
      3. Turn the ignition switch to the ON position.
      4. Check the ABS warning light.

        OK 

        ILLUMINATION CONDITION REFERENCE CHART

        WA - GND Condition Illumination Condition
        Connected OFF
        Disconnected ON
        Fig 1: Identifying Skid Control ECU Connector Terminals
        G05194930Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: Go to step 2 

    OK : REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY 

  2. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER) 
    1. Disconnect the skid control ECU connector and combination meter connector.
      Fig 2: Identifying Skid Control ECU Connector And Combination Meter Connector Terminals
      G05235283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      C11-8 - S1-29 (WA) Below 1 Ω
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      S1-29 (WA) - Body ground 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK : Go to Next Step 

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

    NG: REPLACE COMBINATION METER ASSEMBLY 

    OK : REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY 

About FixVault