Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSINFINITI2006FX35 AWDREPAIR AND DIAGNOSISBODY & FRAMEWINDOWSGLASS, WINDOW & MIRRORSPOWER WINDOW SYSTEMCHECK FRONT DOOR KEY CYLINDER SWITCH

2006 Infiniti FX35 AWD

Check Front Door Key Cylinder Switch

2006 Infiniti FX35 AWDSECTION Check Front Door Key Cylinder Switch

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

With CONSULT-II

Check ("KEY CYL LK-SW""KEY CYL UN-SW") in "DATA MONITOR" mode for "POWER DOOR ROCK SYSTEM" with CONSULT-II. Refer to "DATA MONITOR "

DATA MONITOR 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: CONSULT-II Display - KEY CYL LK-SW, KEY CYL UN-SW

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

Without CONSULT-II

Turn ignition switch OFF.

Check voltage between power window main switch connector and ground.

TERMINALS VOLTAGE CHART

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

Fig 2: Identifying 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 DIAGNOSES SYMPTOM CHART .

NG : GO TO 2.

CHECK HARNESS CONTINUITY
1. Disconnect power window main switch and front door key lock assembly (driver side) connector.
2. 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 (P) - 1 (P) : Continuity should exist.
  
  6 (OR) - 6 (OR) : Continuity should exist.
  
  Fig 3: Identifying Continuity Between Power Window Main Switch Terminals 4, 6 And Front Door Lock Assembly Terminals 1, 6
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK : GO TO 3.

NG : Repair or replace harness.
CHECK DOOR KEY CYLINDER SWITCH GROUND
Check continuity between front door lock assembly (driver side) connector D10 terminal 5 and ground.

5 (B) - Ground : Continuity should exist.

Fig 4: Identifying Continuity Between Front Door Lock Assembly Connector D10 Terminal 5 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK : GO TO 4.

NG : Repair or replace harness.

CHECK DOOR KEY CYLINDER SWITCH

Check continuity between door lock assembly terminals 1, 6 and 5.

TERMINALS CONTINUITY CHART

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

Fig 5: Identifying Continuity Between Door Lock Assembly Terminals 1, 6 And 5

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

OK or NG

OK : Further inspection is necessary. Refer to TROUBLE DIAGNOSES SYMPTOM CHART .

NG : Replace front door key cylinder (driver side) switch.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.