Brand: Renault
Models: Megane and Scenic
Symptom: Air bag warning symbol is illuminated on the vehicle's instrument panel.
Cause: Various
Fix:
1. Carry out fault check in airbag ECU using the AssistPlus.
2. If fault codes D072 or D071 are present, carry out the following steps:
- Lock the air bag using the AssistPlus and disconnect.
- Turn off the ignition and wait one minute before conducting any operations on the system.
- Remove the driver’s air bag and check the connections to driver’s 1 and 2 air bags.
- If correct, check the clock spring connector for poor connection.
- Connect the ignition module ‘dummies’ to air bag connections. If the faults become stored, then consider replacement of the driver’s air bag.
- If faults are still present, check the connection at air bag ECU and test wiring between clock spring and air bag ECU.
- Repair and replace wiring as necessary.
- If the wiring is correct, consider replacement of the air bag clock spring.
- Once repairs are completed, unlock the air bag ECU and clear all faults.
- Test the system to ensure correct operation.
Information provided by: Autologic Diagnostics
