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 using Subaru Select Monitor. Refer to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Is DTC displayed?

   Yes:  Perform the diagnosis according to DTC. Refer to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

   No:  Go to  2.

2. CHECK VDC CONTOL MODULE. 

   Using Subaru Select Monitor, display [ABS Warning Lamp] of [Data monitor]. Refer to BRAKE CONTROL (DIAGNOSTICS)>DATA MONITOR .

   Is [ABS Warning Lamp] ON?

   Yes:  Go to  3.

   No:  Go to  5.

3. CHECK WARNING LIGHT. 
   1. Save the freeze frame data. Refer to BRAKE CONTROL (DIAGNOSTICS)>FREEZE FRAME DATA .
   2. Using the Subaru Select Monitor, perform the clear memory. Refer 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.

4. READ DTC. 

   After driving the vehicle at 40 km/h (25 MPH) or more, read DTCs using Subaru Select Monitor. Refer to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Is DTC displayed?

   Yes:  Perform the diagnosis according to DTC. Refer to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

   No:  Go to  5.

5. CHECK LAN SYSTEM. 

   Perform the diagnosis for LAN system using the Subaru Select Monitor. Refer to LAN SYSTEM (DIAGNOSTICS) (EXCEPT FOR HEV)>BASIC DIAGNOSTIC PROCEDURE .

   Is DTC of CAN communication displayed?

   Yes:  Perform the diagnosis according to DTC. Refer to LAN SYSTEM (DIAGNOSTICS) (EXCEPT FOR HEV)>CAN COMMUNICATION CIRCUIT CHECK>LIST .

   No:  Go to  6.

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 Contol Module & H/U. Refer to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM & H/U) .

   No:  Replace the combination meter. Refer to INSTRUMENTATION/DRIVER INFO>COMBINATION METER .