VDC Off Indicator Light Does Not Go Off
Detecting condition:
- Defective combination meter
- Defective CAN communication
- Defective cockpit control module
Trouble symptom:
VDC OFF indicator light does not go off when starting the engine.
- READ DTC
.
Read the DTC of [Brake Control] using the Subaru Select Monitor. Refer to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC displayed?
Yes : Perform the diagnosis according to the DTC. Refer to BRAKE CONTROL (DIAGNOSTICS)>Diagnostic Trouble Code (DTC)>LIST .
No : Go to 2.
- CHECK VDC OFF SWITCH
.
Using the Subaru Select Monitor, read data of [OFF SW Signal] in the [Data Monitor] of [Brake Control] while the engine is running. Refer to BRAKE CONTROL (DIAGNOSTICS)>Data Monitor .
Does [OFF SW Signal] change according to operation of VDC OFF switch?
Yes : Go to 4.
No : Go to 3.
- CHECK VDC OFF SWITCH (CENTER INFORMATION DISPLAY)
.
Check the VDC OFF switch (center information display). Refer to COCKPIT CONTROL (DIAGNOSTICS)>Basic Diagnostic Procedure .
Is the check result OK?
Yes : Go to 4.
No : Replace the cockpit control module. Refer to ENTERTAINMENT & MONITORING>COCKPIT DISPLAY .
- CHECK LAN SYSTEM
.
Check the LAN system. Refer to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .
Is the check result OK?
Yes : Go to 5.
No : Perform the diagnosis for LAN system.
- CHECK COMBINATION METER
.
Check the combination meter. Refer to COMBINATION METER (DIAGNOSTICS)>Basic Diagnostic Procedure .
Is the check result OK?
Yes : Replace the VDCCM&H/U. Refer to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM&H/U) .
No : Replace the combination meter. Refer to INSTRUMENTATION/DRIVER INFO>Combination Meter>REMOVAL .