VSC OFF Indicator Light Does Not Come ON

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM (for 2AZ-FE): VSC OFF Indicator Light does not Come ON
- VSC OFF Indicator Light does not Come ON

DESCRIPTION

The skid control ECU is connected to the combination meter via CAN communication.

If the skid control ECU stores a DTC, the VSC OFF indicator light blinks in the combination meter.

Pressing the VSC OFF switch turns off traction control and pressing and holding this switch turns off traction and VSC controls. If VSC control turns off, the VSC OFF indicator light will come on.

WIRING DIAGRAM

Refer to VSC OFF Indicator Light Remains ON VSC OFF Indicator Light Remains ON.

INSPECTION PROCEDURE

NOTICE:
When replacing the brake actuator assembly, perform zero point calibration Programming and Relearning.

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Check if a CAN communication system DTC is output Diagnosis System.

Result:





B -- INSPECT CAN COMMUNICATION SYSTEM Initial Inspection and Diagnostic Overview
A -- Continue to next step.

2. PERFORM ACTIVE TEST USING TECHSTREAM (VSC OFF INDICATOR LIGHT)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Select Active Test mode on the Techstream Data List / Active Test.

ABS/VSC/TRAC





(d) Check that the VSC OFF indicator light turns on or off in accordance with the Techstream operation.

OK:

The VSC OFF indicator light turns on or off in accordance with the Techstream operation.

HINT
If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part Problem Symptoms Table.

NG -- INSPECT COMBINATION METER ASSEMBLY

OK -- REPLACE BRAKE ACTUATOR ASSEMBLY Removal

3. INSPECT COMBINATION METER ASSEMBLY

(a) Turn the ignition switch off.

(b) Perform the Active Test of the combination meter (meter CPU) using the Techstream Meter / Gauge System.

(c) Check the combination meter.

OK:

The VSC OFF indicator light turns on or off in accordance with the Techstream operation.

HINT
If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step Problem Symptoms Table.

NG -- REPLACE COMBINATION METER ASSEMBLY Removal

OK -- REPLACE BRAKE ACTUATOR ASSEMBLY Removal