Diesel Data: Automotive Repair

VSC OFF Indicator Light Does Not Come ON








BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: 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.

WIRING DIAGRAM





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
A -- Continue to next step.

2. PERFORM ACTIVE TEST USING TECHSTREAM (VSC OFF INDICATOR LIGHT)
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Select the Active Test on the Techstream Data List / Active Test.

ABS/VSC/TRAC





(d) Check that the VSC OFF indicator light on the accessory meter 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 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
3. INSPECT COMBINATION METER ASSEMBLY
(a) Turn the ignition switch off.
(b) Turn the ignition switch to ON and check the VSC OFF indicator light will come on for approximately 3 seconds (initial check).
(c) Perform the Active Test of the combination meter (meter CPU) using the Techstream Meter / Gauge System.
(d) Check the accessory meter.
Result:





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

C -- REPLACE ACCESSORY METER ASSEMBLY
B -- REPLACE COMBINATION METER ASSEMBLY
A -- REPLACE BRAKE ACTUATOR ASSEMBLY