Workshop Manuals Factory service & repair Mini
01 Introduction02 Fuse details03 Earth points and header joints04 Description and operation05 Connectors
Mini Mini Electrical Library (1997 model year)04 · Description and operation
04 · General

Pre-tensioners

Make
Mini
Model
Mini Electrical Library
Year
1997 model year
Section
SRS (airbag) operation › Pre-tensioners
Description and operationPre-tensioners

Driver's airbag The driver's airbag is connected to the airbag control unit via the rotary coupler on Y and R wires.

Pre-tensioners

The right hand pretensioner is controlled by the DCU on N and NR wires.

The left hand pretensioner is controlled by the DCU on O and OU wires.

SRS warning lamp When the starter switch is operated to position II, the warning lamp (located on the instrument panel) receives battery voltage from fuse A4 on a W wire and a control signal from the airbag control unit on a P wire. The warning lamp will illuminate when the electrical circuits are initialised while the system performs a self-diagnosis test. If the system finds no fault during self diagnosis the warning lamp will extinguish after approximately 6 seconds.

In the event of a fault in the system the warning lamp will illuminate continuously or fail to illuminate during the self diagnosis test.

Parts & tools for this job For 1997 Mini Mini

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