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 hand-held tester.

INSPECT BRAKE ACTUATOR ASSY
1. Select the DATALIST mode on the hand-held tester.
2. Check the operation sound of the ABS pump motor when operating it with the hand-held tester.
  OK:
  
  The operation sound of the ABS pump motor should be heard.
1. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
2. NG: GO TO NEXT STEP.
INSPECT SKID CONTROL ECU TERMINAL VOLTAGE (+BM TERMINAL VOLTAGE)
1. Disconnect the skid control ECU connector.
2. Measure the voltage between terminal +BM (24) and GND (23) of skid control ECU harness side connector.
  OK:
  
  The operation sound of the ABS pump motor should be heard.
  
  Fig 1: Identifying Terminal +BM (24) And GND (23) Of Skid Control ECU Harness Side Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
2. OK: REPLACE BRAKE ACTUATOR ASSY