TRAC OFF Indicator Light does not Come ON

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for BOSCH Made): TRAC OFF Indicator Light does not Come ON
- TRAC OFF Indicator Light does not Come ON

DESCRIPTION

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

WIRING DIAGRAM

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

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

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

Result:





B -- INSPECT CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

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

(a) Connect the Techstream to the DLC3.

(b) Start the engine.

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

ABS / VSC / TRAC





(d) Check if the TRAC OFF indicator light on the combination meter turns on or off in accordance with the Techstream operation.

OK:

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

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

NG -- REPLACE COMBINATION METER ASSEMBLY Removal

OK -- REPLACE BRAKE ACTUATOR ASSEMBLY Removal