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Home >> Toyota >> 2005 >> Avalon XLS >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Brakes - Abs With EBD (Diagnostics) >> Abs Warning Light Circuit (Does Not Come On) >> Inspection Procedure

Inspection Procedure

  1. INSPECT ABS WARNING LIGHT 

    HINT:

    When disconnecting the skid control ECU connector, the ABS warning light comes on.

    1. Turn the ignition switch off.
    2. Disconnect the skid control ECU connector.
    3. Turn the ignition switch on (IG).
    4. Check that the ABS warning light comes on.

      OK: 

      The ABS warning light comes on. 

    1. NG: Go to step 2 
    2. OK: REPLACE BRAKE 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  ).

  2. 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. 
  3. 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. 
  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