Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

When using the intelligent tester, start from *1. When not using the intelligent tester, start from *2.

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (VSC BUZZER)*1

Select the ACTIVE TEST, generate a control command, and then check that the VSC buzzer operates.

ACTIVE TEST REFERENCE CHART

Item	Vehicle Condition / Test Details	Diagnostic Note
VSC / BR WARN BUZ	Turns VSC / BRAKE warning buzzer ON / OFF	Buzzer can be heard

OK: VSC buzzer turns on or off.

OK: REPLACE SKID CONTROL ECU ASSEMBLY

NG: GO TO Next Step

INSPECT BRAKE WARNING AND VSC BUZZER*2
1. Disconnect the brake warning and VSC buzzer connector.
2. Apply battery positive voltage to terminals 1 and 2 of the brake warning and VSC buzzer connector. Check that the brake warning light comes on and the VSC buzzer sounds.
NG: REPLACE BRAKE WARNING AND VSC BUZZER

Fig 1: Inspecting Brake Warning & VSC Buzzer
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: GO TO Next Step
CHECK WIRE HARNESS (SKID CONTROL ECU ASSEMBLY - VSC BUZZER)
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE SKID CONTROL ECU ASSEMBLY