Hill Start Assist Warning Light Does Not Go Off

Detecting condition: 

• Defective combination meter
• Defective CAN communication

Trouble symptom: 

Hill start assist warning light does not go off when starting the engine.

1. CHECK HILL START ASSIST MODE. 

   Is the hill start assist OFF?

   Yes:  Normal.

   No:  Go to  2.

2. 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  3.

3. 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  4.

4. 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 .