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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2003 Infiniti FX45
Power Door Lock System
2003 Infiniti FX45SECTION Power Door Lock System
- Power Door Lock System
- Component Parts And Harness Connector Location
- System Description
- CAN Communication System Description
- Schematic (With Intelligent Key)
- Wiring Diagram -D/LOCK- (With Intelligent Key)
- Schematic (Without Intelligent Key)
- Wiring Diagram -D/LOCK- (Without Intelligent Key)
- Terminals and Reference Value for BCM
- Terminals and Reference Value for Intelligent Key Unit (With Intelligent Key System
- Work Flow
- Preliminary Check
- CONSULT-II Function
- Trouble Diagnosis Chart By Symptom
- Check Door Switch
- Check Key Switch
- Check Door Lock And Unlock Switch
- Check Door Lock Actuator (Driver side)
- Check Door Lock Actuator (Passenger Side and Rear LH/RH)
- Check Fuel Lid Opener Actuator
- Check Front Door Key Cylinder Switch (Lock)
- Check Front Door Key Cylinder Switch (Unlock)
- Check Select Unlock Relay Circuit
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.