Front Door Lock Assembly LH (Key Cylinder Switch) Check (Crew Cab)

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR KEY CYLINDER SWITCH LH

With CONSULT-II

Check front door lock assembly LH (key cylinder switch) ("KEY CYL LK-SW") and ("KEY CYL UN-SW) in DATA MONITOR mode in CONSULT-II. Refer to "DATA MONITOR ".

When key inserted in front key cylinder is turned to LOCK:
KEY CYL LK-SW : ON
When key inserted in front key cylinder is turned to UNLOCK:
KEY CYL UN-SW : ON

Fig 1: Checking Front Door Lock Assembly LH With CONSULT-II (Crew Cab)
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Check voltage between main power window and door lock/unlock switch connector D7 terminals 4, 6 and ground.

Fig 2: Checking Voltage Between Main Power Window & Door Lock/Unlock Switch Connector D7 Terminals 4, 6 & Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

VOLTAGE BETWEEN MAIN POWER WINDOW & DOOR LOCK/UNLOCK SWITCH CONNECTOR D7 TERMINALS 4, 6 & GROUND REFERENCE

Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
D7	4 (L)	Ground	Neutral/Unlock	5
	4 (L)		Lock	0
	6 (R)		Neutral/Lock	5
	6 (R)		Unlock	0

OK or NG

OK : Front door lock assembly LH (key cylinder switch) signal is OK.
NG : GO TO 2.

CHECK DOOR KEY CYLINDER SWITCH LH

Turn ignition switch off.
Disconnect front door lock assembly LH (key cylinder switch).

Check continuity between door key cylinder switch LH connector terminals 1, 5 and 6.

Fig 3: Checking Continuity Between Door Key Cylinder Switch LH Connector Terminals 1, 5 & 6

Courtesy of NISSAN MOTOR CO., U.S.A.

CONTINUITY BETWEEN DOOR KEY CYLINDER SWITCH LH CONNECTOR TERMINALS 1, 5 & 6 REFERENCE

Terminals	Condition	Continuity
1 - 5	Key is turned to LOCK.	Yes
6 - 5	Key is turned to UNLOCK.	Yes

OK or NG

OK : Check the following.
- Front door lock assembly LH (key cylinder switch) ground circuit.
- Harness for open or short between main power window and door lock/unlock switch and front door lock actuator LH (key cylinder switch LH).
NG : Replace front door lock assembly LH (key cylinder switch). Refer to "REMOVAL AND INSTALLATION ".