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Home >> Toyota >> 2005 >> Avalon XLS >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes - Abs With EBD & BA & TRAC & VSC (Diagnostics) >> Abs Warning Light Circuit (Does Not Light Up) >> Inspection Procedure

Inspection Procedure

NOTE: When replacing the ABS & TRACTION actuator assy, perform zero point calibration (see CALIBRATION  ).
  1. INSPECT CAN COMMUNICATION SYSTEM 
    1. Check if the CAN communication system DTC is output (see DTC CHECK/CLEAR  ).

    Result: 

    RESULT

    DTC is not output A
    DTC is output B
    1. B: REPAIR CAN COMMUNICATION SYSTEM (SEE  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    2. A: Go to next step. 
  2. INSPECT MULTIPLEX COMMUNICATION SYSTEM 
    1. Check if the multiplex communication system DTC is output (see DTC CHECK/CLEAR ).

    Result: 

    RESULT

    DTC is not output A
    DTC is output B
    1. B: REPAIR MULTIPLEX COMMUNICATION SYSTEM (SEE  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    2. A: Go to next step. 
  3. INSPECT ABS WARNING LIGHT 
    1. Disconnect the skid control ECU connector.
    2. Turn the ignition switch on (IG).
    3. Check that the ABS warning light comes on.

      OK: 

      ABS warning light comes on. 

    1. NG: Go to step 4 
    2. OK: REPLACE ABS & TRACTION ACTUATOR ASSY (SEE  REPLACEMENT  ) 

    HINT:

    If troubleshooting has been carried out according to the problem symptoms table, refer back to the table and proceed to the next step before replacing the part (see PROBLEM SYMPTOMS TABLE  ).

  4. INSPECT COMBINATION METER ASSY 
    1. Check the combination meter assy (see HOW TO PROCEED WITH TROUBLESHOOTING ).
    1. NG: REPLACE COMBINATION METER ASSY (SEE  OVERHAUL  ) 
    2. OK: END 

    HINT:

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