Diagnosis Chart

WARNING: This page is about a different car, the 2006 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSIS CHART

Symptom	Suspect systems
Automatic operations are not executed from the back door fully closed or fully open position. (Auto closure operates normally.)	POWER LIFTGATE SWITCH SYSTEM INSPECTION
	Park switch
	POWER WINDOW SERIAL LINK
	PINCH STRIP SYSTEM INSPECTION
AUTOMATIC OPERATIONS ARE NOT CARRIED OUT TOGETHER WITH OPEN/CLOSE OPERATIONS. (Manual operations are normal.)	Power liftgate switch system inspection
	BACK DOOR CLOSE SWITCH SYSTEM INSPECTION
	AUTO BACK DOOR POWER SUPPLY AND GROUND CIRCUIT SYSTEM INSPECTION.
THE AUTO CLOSURE FUNCTION DOES NOT OPERATE. (Stops at the halfway position for auto closing operations.)	Pinch strip system inspection
During auto closing operations, if obstruction is detected, the door does not operate in reverse.	Back door motor assembly
DURING CLOSE OR CINCH OPERATIONS, THE DOOR DOES NOT OPERATE IN REVERSE IF THE BACK DOOR HANDLE IS OPERATED.	Handle switch system
WHEN THE KEYFOB IS OPERATED, THE BACK DOOR DOES NOT OPERATE AUTOMATICALLY.	Remote keyless entry system inspection
	POWER WINDOW SERIAL LINK
	PINCH STRIP SYSTEM INSPECTION
AUTO CLOSURE DOES NOT OPERATE.	Half-latch switch system
	CINCH LATCH MOTOR SYSTEM
	HANDLE SWITCH SYSTEM
THE BACK DOOR DOES NOT OPEN. (Closure motor rotation is not reversed.)	Open switch system
	HANDLE SWITCH SYSTEM
WARNING CHIME DOES NOT SOUND.	Back door warning chime system
AUTO CLOSURE OPERATION WORKS, BUT THE BACK DOOR IS NOT FULLY CLOSED	Close switch system
	HANDLE SWITCH SYSTEM
	CINCH LATCH MOTOR SYSTEM
	Back door latch assembly mechanism damaged or worn.