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. Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>READ DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC displayed?
Yes: Perform the diagnosis according to DTC. Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .
No: Go to 2.
- CHECK VDC Control Module.
Display the current data of VDC Control Module 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. Refer 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. Refer 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. Refer to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .
Is there any fault in LAN system?
Yes: Perform the diagnosis according to DTC for LAN system. Refer to LAN SYSTEM (DIAGNOSTICS)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .
No: Go to 6.
- CHECK COMBINATION METER.
Check the combination meter. Refer to INSTRUMENTATION/DRIVER INFO>COMBINATION METER SYSTEM>OPERATION>SELF-DIAGNOSIS DISPLAY MODE .
Is the check result OK?
Yes: Replace the VDC Control Module & H/U. Refer to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDC Control Module & H/U) .
No: Replace the combination meter. Refer to INSTRUMENTATION/DRIVER INFO>COMBINATION METER>REMOVAL .