Front Door Key Cylinder Switch (Driver Side) Check

WARNING: This page is about a different car, the 2004 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 AND CONDITION CHART

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 Data Monitor

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

Without CONSULT-II

Check voltage between power window main switch connector and ground.

VOLTAGE CHECK CHART

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 / Unlock	5

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

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

OK or NG

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

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.
  4 (L) - 1 (L) Continuity should exist.
  
  6 (R) - 6 (R) Continuity should exist.
  
  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.
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).
CHECK GROUND CIRCUIT
Check continuity between key cylinder switch (driver side) connector D10 terminal 5 and ground.

5 (B) - Ground Continuity should exist.

Fig 4: Checking Continuity Between Key Cylinder Switch (Driver Side) Connector D10 Terminal 5 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 4.
2. NG: Repair or replace harness.

CHECK DOOR KEY CYLINDER SWITCH

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

CONTINUITY CHECK CHART

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

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

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

OK or NG

OK: GO TO 5.
NG: Replace key cylinder switch (driver side).

CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL
1. Connect power window main switch connector.
2. Check voltage between power window main switch connector D6 terminal 4, 6 and ground.
  4 (L) - Ground Approx. 5V
  
  6 (R) - Ground Approx. 5V
  
  Fig 6: Checking Voltage Between Power Window Main Switch Connector D6 Terminal 4, 6 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Check the condition of the harness and the connector.
2. NG: Replace power window main switch.