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.

1. READ DTC  .

   Read the DTC. Ref. to BRAKE CONTROL (DIAGNOSTICS)>Read Diagnostic Trouble Code (DTC) .

   Is DTC displayed?

   Yes: Perform the diagnosis according to DTC. Ref. to BRAKE CONTROL (DIAGNOSTICS)>List of Diagnostic Trouble Code (DTC) .

   No: Go to  2.

2. CHECK VDCCM  .

   Display the data monitor of VDCCM using Subaru Select Monitor.

   Is [ABS Warning Lamp] ON?

   Yes: Go to  3.

   No: Go to  4.

3. 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 BRAKE CONTROL (DIAGNOSTICS)>List of Diagnostic Trouble Code (DTC) .

   No: Go to  4.

4. 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  5.

5. 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 only. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC Control Module and Hydraulic Control Unit (VDCCM & H/U)>REPLACEMENT .

   No: Replace the combination meter. Ref. to INSTRUMENTATION/DRIVER INFO>Combination Meter>REMOVAL .