Front Door Key Cylinder Switch (Driver Side) Check

WARNING: This page is about a different car, the 2003 Nissan Murano. 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", "KEY CYL UN SW") in "DATA MONITOR" mode with CONSULT-II.

MONITOR ITEM CONDITION

Monitor item	Condition
KEY CYL LK-SW	Lock :ON
KEY CYL LK-SW	Neutral / Unlock :OFF
KEY CYL UN-SW	Unlock :ON
KEY CYL UN-SW	Neutral / Lock :OFF

Fig 1: Displaying KEY CYL LK SW And KEY CYL UN SW In DATA MONITOR Mode

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

Without CONSULT-II

Check voltage between power window main switch connector and ground.

CONNECTOR TERMINAL VOLTAGE

Connector	Terminals (Wire color)		Key position	Voltage (V) (Approx.)
Connector	(+)	(-)	Key position	Voltage (V) (Approx.)
D6	4 (L)	Ground	Lock	0
	4 (L)		Neutral / Unlock	5
	6 (R)		Unlock	0
	6 (R)		Neutral / Lock	5

OK or NG

OK : Further inspection is necessary. Refer to TROUBLE DIAGNOSIS SYMPTOM CHART .
NG : GO TO 2.

Fig 2: Checking Voltage Between Power Window Main Switch Connector And Ground

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

CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect power window main switch and front door lock assembly (driver side) connector.
3. Check continuity between power window main switch connector D6 terminals 4, 6 and front door lock assembly (driver side) connector D10 terminals 1, 6.
  1. 4 (L) - 1 (L) : Continuity should exist.
  2. 6 (R) - 6 (R) : Continuity should exist.
OK or NG
1. OK : GO TO 3.
2. NG : Repair or replace harness between power window main switch and front door lock assembly (driver side).
Fig 3: Checking Continuity Between Power Window Main Switch Connector D6 Terminals 4, 6 And Front Door Lock Assembly (Driver Side) Connector D10 Terminals 1, 6
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK GROUND CIRCUIT
Check continuity between key cylinder switch (driver side) connector D10 terminal 2 and ground.
1. 5 (B) - Ground : Continuity should exist.
OK or NG
1. OK : GO TO 4.
2. NG : Repair or replace harness.
Fig 4: Checking Continuity Between Key Cylinder Switch (Driver Side) Connector D10 Terminal 2 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK DOOR KEY CYLINDER SWITCH

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

TERMINAL CONTINUITY

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

OK or NG

OK : Further inspection is necessary. Refer to TROUBLE DIAGNOSIS SYMPTOM CHART .
NG : Replace key cylinder switch (driver side).

Fig 5: Checking Continuity Between Key Cylinder Switch Terminals 1, 6 And 5

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