Abs Warning Light Does Not Go Off
Detecting condition:
- Defective combination meter
- Defective engine
- Defective CAN communication
Trouble symptom:
ABS warning light does not go off when starting the engine.
- READ DTC
.
Read the DTC using 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 VDCCM
.
Using Subaru Select Monitor, display [ABS Warning Lamp] of [Data Monitor]. Ref. to BRAKE CONTROL (DIAGNOSTICS)>DATA MONITOR .
Is [ABS Warning Lamp] ON?
Yes : Go to 3 .
No : Go to 5 .
- CHECK WARNING LIGHT
.
- Save the freeze frame data.
- Using the Subaru Select Monitor, perform the clear memory.
Ref. to COMMON (DIAG)>CLEAR MEMORY .
Does the ABS warning light go off?
Yes : Normal. Perform the inspection mode to check that the light does not turn ON again.
No : Go to 4 .
- READ DTC
.
After driving the vehicle at 40 km/h (25 MPH) or more, read DTCs using 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 5 .
- CHECK LAN SYSTEM
.
Check the LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .
Is the check result OK?
Yes : Go to 6 .
No : Perform the diagnosis for LAN system.
- CHECK COMBINATION METER
.
Check the combination meter. Ref. to INSTRUMENTATION/DRIVER INFO>COMBINATION METER SYSTEM>OPERATION>SELF-DIAGNOSIS DISPLAY MODE .
Is the check result OK?
Yes : Replace the VDCCM&H/U. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM&H/U) .
No : Replace the combination meter. Ref. to INSTRUMENTATION/DRIVER INFO>COMBINATION METER>REMOVAL .