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. Ref. to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>Read Diagnostic Trouble Code (DTC) .
Is DTC displayed?
Yes: Perform the diagnosis according to DTC. Ref. to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>List of Diagnostic Trouble Code (DTC) .
No: Go to 2.
- CHECK VDCCM
.
Display the current data of VDCCM using Subaru Select Monitor.
Is the «ABS Warning Lamp» ON?
Yes: Go to 3.
No: Go to 5.
- CHECK WARNING LIGHT
.
- Save the freeze frame data.
- Perform the Clear Memory Mode. Ref. to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>Clear Memory Mode .
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
.
Read the DTC after driving the vehicle at 40 km/h (25 MPH) or more.
Is DTC displayed?
Yes: Perform the diagnosis according to DTC. Ref. to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>List of Diagnostic Trouble Code (DTC) .
No: Go to 5.
- CHECK LAN SYSTEM
.
Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>Basic Diagnostic Procedure .
Is there any fault in LAN system?
Yes: Perform the diagnosis according to DTC for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>List of Diagnostic Trouble Code (DTC) .
No: Go to 6.
- 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 .