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. Ref. to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC displayed?
Yes: Perform the diagnosis according to the DTC. Ref. 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. Ref. 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). Ref. to COCKPIT CONTROL (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .
Is the check result OK?
Yes: Go to 4 .
No: Replace the cockpit control module. Ref. to ENTERTAINMENT & MONITORING>COCKPIT DISPLAY .
- CHECK LAN SYSTEM
.
Check the LAN system. Ref. 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. Ref. to COMBINATION METER (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .
Is the check result OK?
Yes: Replace the VDCCM and H/U. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM and H/U) .
No: Replace the combination meter. Ref. to INSTRUMENTATION/DRIVER INFO>COMBINATION METER>REMOVAL .