Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.

Start the inspection from step 1 if you are using the hand-held tester and start from step 2 if you are not using the hand-held tester.

PERFORM ACTIVE TEST BY HAND-HELD TESTER (SKID CONTROL BUZZER)
1. Connect the hand-held tester to the DLC3.
2. Start the engine.
3. Select the item "VSC/BR WARN BUZ" in the ACTIVE TEST and operate the skid control buzzer with the hand-held tester.
4. Check that skid control buzzer sounds "ON" and "OFF" with the hand-held tester.
1. OK: REPLACE ABS & TRACTION ACTUATOR ASSY (See REPLACEMENT )
2. NG: Go to next step
INSPECT SKID CONTROL BUZZER ASSY
1. Disconnect the skid control buzzer connector.
2. Apply battery positive voltage to the terminals 1 and 2 of the skid control buzzer connector, check that the buzzer sounds.
Fig 1: Inspecting Skid Control Buzzer Assy
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPLACE SKID CONTROL BUZZER ASSY
2. OK: Go to next step
CHECK HARNESS AND CONNECTOR (SKID CONTROL BUZZER - SKID CONTROL ECU, SKID CONTROL BUZZER - BODY GROUND)
1. Check for an open or short circuit in harness and connector between the skid control buzzer and skid control ECU, skid control buzzer and body ground (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
2. OK: REPLACE ABS & TRACTION ACTUATOR ASSY (See REPLACEMENT )