Rear side (thorax) airbag
B84
Essential equipment |
| diagnostic tool |
Tightening torques |
|
| rear side (thorax) airbag mounting screw | 0.4 daN.m |
The rear side (thorax) airbag is fixed to the lining of the quarter glass.
On deployment, the inflatable bag tears through the trim.

REMOVAL
IMPORTANTBefore removing any component of the safety system, lock the airbag control unit using the diagnostic tool. When this function is active, all firing circuits are inhibited and the airbag warning light on the dashboard comes on (ignition on).
- Remove the trim (see MR365 - Bodywork).
- Disconnect:
- the airbag connector,
- the airbag earth wire.

- Remove:
- the two mounting screws (1),
- the rear side (thorax) airbag.
For disposal of an undeployed airbag, (see Airbags and Pretensioners chapter, Airbag and Pretensioner Control Unit, page 88C-39).
INSTALLATION
- Position the airbag.
- Tighten the rear side (thorax) airbag mounting screws to torque (0.4 daN.m).
- Connect:
- the airbag connector, checking that the connector is locked correctly,
- the earth wire.
- Refit the trim.
Check the airbag ECU using the diagnostic tool.
- Unlock the ECU if everything is correct, otherwise refer to the diagnostic manual.
C84
Essential equipment |
| diagnostic tool |
Tightening torques |
|
| rear side (thorax) airbag mounting screw | 0.4 daN.m |
The rear side (thorax) airbag is fixed to the lining of the quarter glass.
On deployment, the inflatable bag tears through the trim.

REMOVAL
IMPORTANTBefore removing any component of the safety system, lock the airbag control unit using the diagnostic tool. When this function is active, all firing circuits are inhibited and the airbag warning light on the dashboard comes on (ignition on).
- Remove the trim (see MR365 - Bodywork).
- Disconnect:
- the airbag connector,
- the airbag earth wire.

- Remove:
- the two mounting screws (1),
- the rear side (thorax) airbag.
For disposal of an undeployed airbag, (see Airbags and Pretensioners chapter, Airbag and Pretensioner Control Unit, page 88C-39).
INSTALLATION
- Position the airbag.
- Tighten the rear side (thorax) airbag mounting screws to torque (0.4 daN.m).
- Connect:
- the airbag connector, checking that the connector is locked correctly,
- the earth wire.
- Refit the trim.
Check the airbag ECU using the diagnostic tool.
- Unlock the airbag ECU if everything is correct, otherwise refer to the diagnostic manual.
Test yourself
A quick Renault Megane quiz: every answer comes with an explanation and a link to the manual page.

