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Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

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

  1. PERFORM ACTIVE TEST BY HAND-HELD TESTER (ABS WARNING LIGHT) 
    1. Check that "ON" and "OFF" of the ABS warning light can be shown on the combination meter by the hand-held tester.
    1. OK: CHECK AND REPLACE BRAKE ACTUATOR ASSY (See  TERMINALS OF ECU  ) 
    2. NG: GO TO NEXT STEP. 
  2. INSPECT COMBINATION METER ASSY (ABS WARNING LIGHT) 
    1. Disconnect the connector from the skid control ECU.
    2. Turn the ignition switch to ON.
    3. Check the ABS warning light.

      OK: 

      ABS warning light goes ON 

    1. NG: REPAIR OR REPLACE COMBINATION METER ASSY 
    2. OK: GO TO NEXT STEP. 
  3. CHECK HARNESS AND CONNECTOR (WA CIRCUIT) 
    1. Check for short circuit in harness and connector of the between terminal WA of skid control ECU and combination meter (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: CHECK AND REPLACE BRAKE ACTUATOR ASSY (See  TERMINALS OF ECU  )