Possible causes elimination notes

Test point 1

Firing

circuit, driver codes 04, 05,

2. Attach the special tool 9516 instead of the airbag unit.

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3. Clear the fault memory

4. Check whether the fault appears again.

a) If the fault does not appear again, replace the airbag unit.

b) If the fault appears again, disconnect plug connection to the contact unit and attach special tool 9516/1.

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Fault, Fault code

Possible causes, elimination, notes

5. Clear the fault memory

6. Check whether the fault appears again.

a) If the fault does not appear again, replace the contact unit.

b) If the fault appears again, check the wiring harness for pinches c) If no fault is found on the wiring harness, replace the triggering Note

This fault path is checked only during the triggering unit self-test, i.e. updating of the fault during the cyclical tests does not take place.

If the fault memory is erased, the ignition must be switched off, the ignition key removed and the ignition switched on again in order to check the fault path. Only in this way is another self-test carried out.

Test point 2

Firing circuit, passenger Fault codes 10, 11, 26, 27, 39

1. Disconnect the plug connection to the passenger's airbag unit.

2. Attach the special tool 9516 in conjunction with special tool 9566.

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