Active Trace Control

NOTE:

For the operational conditions of Active Trace Control, refer to SYSTEM DESCRIPTION .
Perform the "Self Diagnostic Result" using CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected.

Symptom			Possible cause	Inspection item
Active Trace Control inoperative/ineffective	No Active Trace Control assist		Active Trace Control is selected OFF in the vehicle information display.	Change Active Trace Control selection in the vehicle information display to ON.
			VDC OFF switch is engaged.	Turn VDC OFF switch to the OFF position.
			Certain roads, inclement weather or driving conditions	System is functioning normally. Confirm the condition with the customer. Refer to PRECAUTIONS FOR CHASSIS CONTROL (ENGINE BRAKE, ACTIVE RIDE, AND ACTIVE TRACE) .
			Road wheel tire condition is abnormal. Road wheel tire size is abnormal.	Check the road wheel tire.
	Excessive lag on turns	On turns	Wheel alignment	Repair alignment malfunction.
		While zigzagging	Steering malfunction	"STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT"Refer to DIAGNOSIS PROCEDURE .
		With quick lane change	Certain roads, inclement weather or driving conditions	System is functioning normally. Confirm the condition with the customer. Refer to PRECAUTIONS FOR CHASSIS CONTROL (ENGINE BRAKE, ACTIVE RIDE, AND ACTIVE TRACE) .