NOTE Start the inspection from step in case of using the Toyota handheld tester and start from step in case of not using the Toyota handheld tester

Total OBD & ECU Auto Diagnostics

Total OBD & ECU Auto Diagnostics

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1. Check operation of the SLIP indicator light. PREPARATION:

a. Connect the TOYOTA hand-held tester to the DLC3.

b. Turn the ignition switch ON and push the TOYOTA hand-held tester main switch ON.

c. Select the ACTIVE TEST mode on the TOYOTA hand-held tester.


Check that "ON" and "OFF" of the SLIP indicator light can be shown on the combination meter with the TOYOTA hand-held tester.

2. Check that the SLIP indicator light is ON for 3 seconds immediately after ignition switch is turned ON.

OK: No problem. NG: GO TO NEXT STEP

3. Check SLIP indicator light.


NG: Repair or replace combination meter. OK: GO TO NEXT STEP

4. Check for open and short circuit in harness and connector between SKID CONTROL ECU AND SLIP INDICATOR LIGHT .

NG: Repair or replace harness or connector.

OK: Check and replace skid control ECU.


*1: Only for 4WD *2: Only for 2WD CIRCUIT DESCRIPTION

This is the VSC(TRAC) control main switch. When the VSC OFF (TRAC OFF) switch is pushed on, VSC (TRAC) control goes off and the VSC OFF (TRAC OFF) indicator lights up. Turn the ignition switch OFF,

2001 BRAKES ABS With EBD & Trac & VSC System - Diagnostics - Sequoia

VSC(TRAC) control surely comes on when the ignition switch turns ON next time.

Pressing the VSC OFF switch in 2WD setting does not deactivate VSC control. *1 WIRING DIAGRAM

Toyota Supra Trac Off
Fig. 105: Wiring Diagram INSPECTION PROCEDURE


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    Why vsc off light on land cruiser 2001?
    8 years ago

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