Inspection Procedure

HINT:

Start the inspection from step  1 in case of using the hand-held tester and start from step  2 in case of using the hand-held tester.

1. PERFORM ACTIVE TEST BY SKID CONTROL BUZZER ASSY 
   1. Check that skid control buzzer sounds "ON" and "OFF" with the hand-held tester.
   1. OK: Go to step   3 
   2. NG: GO TO NEXT STEP. 
2. INSPECT SKID CONTROL BUZZER ASSY 
   1. Disconnect the skid control buzzer connector.
   2. Apply battery positive voltage to the terminals 1 and 2 of skid control buzzer connector, check that the buzzer sounds.
   Fig 1: Applying Battery Positive Voltage To Terminals 1 & 2 Of Skid Control Buzzer Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. NG: REPLACE SKID CONTROL BUZZER ASSY 
   2. OK: GO TO NEXT STEP. 
3. CHECK HARNESS AND CONNECTOR(SKID CONTROL BUZZER - SKID CONTROL ECU) 
   1. Check for open and short circuit in harness and connector between terminal BZ of skid control ECU and skid control buzzer (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
   1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
   2. OK: GO TO NEXT STEP. 

   CHECK AND REPLACE SKID CONTROL ECU ASSY