Workshop Manuals Factory service & repair MG
01 Introduction02 Fuse details03 Earth points and headers04 Description and operation05 Connectors
MG MGF Electrical Library (2001 model year on)04 · Description and operation
04 · General

Driver airbag

Make
MG
Model
MGF Electrical Library
Year
2001 model year on
Section
Supplementary restraint system (SRS) › Driver airbag
Description and operationDriver airbag

Driver airbag

The airbag DCU (C0256) provides the driver airbag (C0257) a feed via the rotary coupler (C0545) on a R wire. The earth side of the driver airbag (C0257) is connected to the airbag DCU (C0256) via the rotary coupler (C0545) by a Y wire.

Passenger airbag

The airbag DCU (C0256) provides the passenger airbag (C0251 and C0261) two feeds on N wires. Two earths for the passenger airbag (C0251 and C0261) are connected to the airbag DCU (C0256) by U wires.

Pretensioners

The airbag DCU (C0256) is connected to the two pretensioners as follows:

The LH pretensioner (C0252) is provided a feed by the airbag DCU (C0256) on an O wire. The earth side of the LH pretensioners (C0252) is connected to the airbag DCU (C0256) by an OU wire. The RH pretensioner (C0254) is provided a feed by the airbag DCU (C0256) on a N wire. The earth side of the RH pretensioner (C0254) is connected to the airbag DCU by a NR wire.

SRS warning lamp

To illuminate the SRS warning lamp in the instrument pack (C0234), the airbag DCU (C0256) connects an earth to the OP wire. To extinguish the SRS warning lamp, the airbag DCU disconnects the earth.

Diagnostics

The SRS system can be interrogated via the diagnostic socket. The diagnostic socket (C0040) is connected to the airbag DCU (C0256) by a YK wire.

Parts & tools for this job For 2001 MG MGF

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