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 MANUALSINFINITI2003FX45REPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSREMOTE KEYLESS ENTRY SYSTEM
2003 Infiniti FX45
Remote Keyless Entry System
2003 Infiniti FX45SECTION Remote Keyless Entry System
- Remote Keyless Entry System
- Component Parts And Harness Connector Location
- System Description
- CAN Communication System Description
- Schematic
- Wiring Diagram - KEYLESS-
- Terminals and Reference Value for BCM
- Terminals and Reference Value for IPDM E/R
- CONSULT-II Function
- Work Flow
- Trouble Diagnosis Chart By Symptom
- Check Key Fob Battery and Function
- Check ACC Switch
- Check Door Switch
- Check Key Switch
- Check IPDM E/R Operation
- Check Hazard Function AIS00
- Check Horn Function
- Check Headlamp Function
- Check Map Lamp and Ignition Keyhole Illumination Function
- ID Code Entry Procedure
- Key Fob Battery Replacement
RENDER: 1.0x
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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.