Front Door Key Cylinder Switch LH Check/King Cab

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

With CONSULT-II

Check door key cylinder switch ("KEY CYL LK SW") in "DATA MONITOR" mode for "POWER DOOR ROCK SYSTEM" with CONSULT-II. Refer to , "DATA MONITOR ".
"KEY CYL LK-SW" should be "ON" when key inserted in door key cylinder is turned to lock.

Fig 1: Display Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.
Check door key cylinder switch ("KEY CYL UN-SW") in "DATA MONITOR" mode for "POWER DOOR LOCK SYSTEM" with CONSULT-II. Refer to , "DATA MONITOR ".
"KEY CYL UN-SW" should be "ON" when key inserted in door key cylinder was turned to unlock.

Fig 2: Display Data Monitor

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

Without CONSULT-II

Check voltage between main power window and door lock/unlock switch connector and ground.

CONNECTOR TERMINAL VOLTAGE CONDITION

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

OK or NG

OK: Front door key cylinder switch LH is OK.
NG: GO TO 2.

Fig 3: Checking Voltage Between Main Power Window And Door Lock/Unlock Switch Connector And Ground

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

CHECK FRONT DOOR KEY CYLINDER SWITCH LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and front door key cylinder switch LH.
3. Check continuity between main power window and door lock/unlock switch connector D7 terminals 6, 7 and front door key cylinder switch LH connector D14 terminals 1, 6.
  7 (R) - 6 (R): Continuity should exist.
  
  6 (L) -1 (L): Continuity should exist.
OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace harness.
Fig 4: Checking Continuity Between Main Power Window Switch And Front Door Key Cylinder Switch Connector Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK FRONT DOOR KEY CYLINDER SWITCH LH GROUND
Check continuity between front door key cylinder switch LH connector D14 terminal 5 and ground.

5 (B) - Ground: Continuity should exist.

OK or NG
1. OK: GO TO 4.
2. NG: Repair or replace harness.
Fig 5: Checking Continuity Between Front Door Key Cylinder Switch Connector Terminal And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK FRONT DOOR KEY CYLINDER SWITCH LH

Check continuity between door key cylinder switch LH connector D14 terminal 1, 6 and 5.

TERMINAL CONTINUITY SPECIFICATION

Terminals		Key position	Continuity
6	5	Neutral / Lock	No
6		Unlock	Yes
1		Neutral / Unlock	No
1		Lock	Yes

OK or NG

OK: Replace main power window and door lock/unlock switch.
NG: Replace front door key cylinder switch LH.

Fig 6: Checking Continuity Between Door Key Cylinder Switch Connector Terminals

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