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. Ref. to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Is DTC displayed?

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

   No:  Go to  2.

2. CHECK VDCCM. 

   Connect the Subaru Select Monitor, and display the [Data Monitor] of VDCCM. Ref. 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. Ref. to BRAKE CONTROL (DIAGNOSTICS)>FREEZE FRAME DATA .
   2. 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.

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 DTC. Ref. to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

   No:  Go to  5.

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.

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 O>COMBINATION METER .