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 QX56 AWDFACTORY OEM SERVICE PROCEDURE

SRS Airbag Control System

Basic Inspection
- Diagnosis And Repair Work Flow
  - Work Flow
    - Overall Sequence
    - Detailed Work Flow
- INTERMITTENTS Incident
  - Inspection Procedure
    - Intermittent Trouble
  - Trouble Diagnosis with CONSULT-III
    - Diagnostic Procedure 4
Function Diagnosis
Component Diagnosis
Ecu Diagnosis
- Diagnosis Sensor Unit
Symptom Diagnosis
- SRS Air Bag System
  - "AIR BAG" Warning Lamp Does Not Turn Off
    - Diagnostic Procedure 7
  - "AIR BAG" Warning Lamp Does Not Turn On
    - Diagnostic Procedure 8
- Passenger Seat Belt Warning System
  - Seat Belt Warning System Does Not Function
Precaution
- Precautions

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.