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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSINFINITI2009M35X AWD V6-3.5L (VQ35HR)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSINTELLIGENT KEY SYSTEM/ENGINE START FUNCTIONCHECK KEY SWITCH BUILT IN KEY SLOT
2009 Infiniti M35x AWD V6-3.5L (VQ35HR)
Check Key Switch Built In Key Slot
2009 Infiniti M35x AWD V6-3.5L (VQ35HR)SECTION Check Key Switch Built In Key Slot
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Check Key Switch Built in Key Slot
1.CHECK FUNCTION
When the driver door is opened while inserting the Intelligent Key into the key slot, make sure that key reminder warning functions properly.
°Key inserted : Sound
Key removed : No sound
OK or NG
OK - GO TO 5.
NG - GO TO 2.
2.CHECK POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect key slot connector.
3. Check voltage between key slot connector and ground.
OK or NG
OK - GO TO 3.
NG - Check key slot power supply circuit for open or short.
3.CHECK HARNESS CONTINUITY 1
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector and key slot connector.
3. Check continuity between Intelligent Key unit connector and ground.
OK or NG
OK - GO TO 4.
NG - Repair or replace harness.
4.CHECK KEY SLOT
Check key slot.
OK or NG
OK - Check the condition of harness and connector.
NG - Replace key slot.
5.CHECK HARNESS CONTINUITY 2
1. Disconnect BCM connector.
2. Check continuity between BCM connector and key slot connector.
3. Check continuity between BCM connector and ground.
OK or NG
OK - Replace BCM. Refer to "C/U INITIALIZATION", and then perform the registration again after replacing BCM.
NG - Repair or replace harness.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.