VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Warning Light Illumination Pattern

DETECTING CONDITION:

• Defective combination meter

• Defective CAN communication

• Defective engine

• VDC OFF switch is shorted.

TROUBLE SYMPTOM:

When starting the engine, VDC OFF indicator light is kept ON.

NOTE:

When pressing the VDC OFF switch for 10 seconds or more, the VDC OFF indicator light goes off and cannot operate any more. When turning the ignition switch from OFF to ON, the OFF operation enabled status is restored.

STEP	CHECK	YES	NO
1.READ DTC. Read the DTC.	Is DTC displayed?	Perform the diagnosis according to DTC.
2.CHECK ENGINE.	Does the malfunction indicator light illuminate?	Repair the engine.
3.CHECK ENGINE COOLANT TEMPERATURE. Warm up the engine and check if VDC warning light and VDC OFF indicator light illumination condition changes.	When the engine coolant temperature is too low, VDC warning light and VDC OFF indicator light illuminate. Do the lights go off when the engine is warmed up?	Normal
4.CHECK VDC OFF SWITCH. Remove and check VDC OFF switch.	Is the VDC OFF switch normal?		Replace the VDC OFF switch.
5.CHECK LAN SYSTEM. Perform the diagnosis for LAN system.	Is there any fault in LAN system?	Perform the diagnosis according to DTC for LAN system.
6.CHECK COMBINATION METER. Check the combination meter.	Is combination meter OK?	Replace the VDCCM only.	Replace the combination meter.