3 Series E36 M coupe (S54) COUPE
32 34 ...
Troubleshooting airbag II
If airbag indicator light remains constantly lit after the engine has been started (i.e. for more than 4 seconds), there is a
fault in the system.
1.
Remove airbag unit,
refer to 32 34 020
2.
Fit adapter cable 62 1 240 to airbag unit with test cable 62 1 260.
3.
Re-install airbag unit, arranging test cable to lead outwards between airbag unit and steering wheel.
Caution!
Only perform measurements while airbag unit is installed.
A measurement may only be taken with the BMW Service Tester or DIS at room temperature.
If different equipment is used, there is a risk of activating the airbag.
4.
Measure resistance of airbag unit at free ends of test cables (squib).
Nominal value 1.7 ... 2.2
Ω
.
5.
If measured value is outside specified value range, replace airbag unit.
If measured value is within specified value range, replace control unit.
RA Troubleshooting airbag II
BMW AG - TIS
09.02.2013 21:42
Issue status (12/2007) Valid only until next DVD is issued
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