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.
2008 Infiniti EX35 Base, RWDFACTORY OEM SERVICE PROCEDURE
System Description
This Occupant Classification System (OCS) has the following function.
- Suppress the deployment of front passenger airbag when front passenger seat is empty, or when occupied by child and child-seat. Turns on front passenger airbag OFF indicator (Cut-off telltale) when front passenger seat is occupied by child-seat and child.
- Indicates malfunction portion with blinking times of airbag warning lamp in diagnosis mode.
- Indicates the malfunctioning record by CONSULT-III.
NOTE:
Operation of airbag diagnosis sensor unit when airbag diagnosis sensor unit receives information from Occupant Classification System (OCS)
AIRBAG DIAGNOSIS SENSOR UNIT OPERATION REFERENCE
| Status (front passenger seat) | Passenger airbag | Front passenger airbag OFF indicator (Cut-off telltale) | Airbag warning lamp | Seat belt warning lamp (when front passenger seat is unbuckled) |
|---|---|---|---|---|
| Empty | Suppress | Off | Off | Off |
| Child/child-seat | Suppress | On | Off | On |
| Adult | Enable to deploy | Off | Off | On |
| Malfunction | Suppress | On | Blinking | Off |
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:
- • 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.