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.
2009 Infiniti M45 BaseFACTORY OEM SERVICE PROCEDURE
Section 80 (Body Control System)
WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
- DTC Index
- Precautions
- BCM (Body Control Module)
- System Description
- Notes
- BCM Function
- Combination Switch Reading Function
- Can Communication Control
- BCM Status Control
- Systems Controlled By BCM Directly
- Systems Controlled By BCM And IPDM E/R
- Systems Controlled By BCM And Combination Meter
- Systems Controlled By BCM And Intelligent Key Unit
- Systems Controlled By BCM, Combination Meter And IPDM E/R
- Major Components And Control System
- CAN Communication Unit
- Schematic
- CONSULT-III Function (BCM)
- DTC U1000: CAN Communication Circuit
- Removal and Installation of BCM
- System Description
Factory Service Tools
Use the Manual With the Right Hardware
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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.