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.
2012 Infiniti M37 BaseFACTORY OEM SERVICE PROCEDURE
Component Description
| Component | Function |
|---|---|
| Air bag diagnosis sensor unit |
|
| BCM | Receive the collision detection signal when air bag diagnosis sensor unit detects collision. |
| Combination meter (air bag warning lamp) | Indicates air bag malfunctioning and deployment by blinking and illuminating air bag warning lamp. |
| Combination switch (spiral cable) | Supplies power supply to driver air bag module on steering wheel. |
| Crash zone sensor |
|
| Curtain air bag module LH/RH |
|
| Driver air bag module |
|
| Front door satellite sensor LH/RH |
|
| Lap pre-tensioner LH |
|
| Occupant classification system control unit | Detects front passenger seat occupant. |
| Passenger air bag module |
|
| Passenger air bag OFF indicator | Indicates whether or not passenger air bag is in the activation mode based on the judgement of occupant classification system. |
| Satellite sensor LH/RH |
|
| Seat belt buckle switch LH/RH | Controls deployment timing depending on the seat belt condition that is fastened or unfastened. |
| Seat belt pre-tensioner LH/RH |
|
| Side air bag module LH/RH |
|
Factory Service Tools
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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.
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