A6 Quattro Wagon V6-3.2L (BKH) (2006)
Safety Circuit Breaker: Service and Repair
Battery Interrupt Igniter, Through 05.06
Battery Interrupt Igniter, through 05.06
Special tools, testers and auxiliary items required
‹› Torque Wrench (V.A.G 1331)
‹› Vehicle Diagnosis, Testing and Information System (VAS 5051B)
CAUTION!
Battery Interrupt Igniters (N253) are pyrotechnic components. The same safety measures apply as with airbags.
CAUTION!
Observe the safety precautions for repairs on airbags.
‹› If Airbag Malfunction Indicator Lamp (MIL) (K75) lights up after a vehicle accident, check whether crash data is stored using. If this is the case,
check whether the malfunction 001 Resistance too large is saved in Battery Interrupt Igniter (N253) DTC memory. If this is the case, Battery
Interrupt Igniter (N253) must be replaced.
‹› The Battery Interrupt Igniter (N253) interrupts the circuit electrically each time an airbag is deployed. The Battery Interrupt Igniter (N253) must
always be replaced after a deployment.
Removing
‹› To remove the airbag, battery must be disconnected with the ignition switched on, this deviates from the description "disconnecting and
connecting battery".
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Switch on ignition.
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Disconnect battery..
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Remove battery
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Release the clips - arrows - and open cover - 1 - on the battery interrupt igniter (N253).
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Remove nuts - 1 - and - 3 - as well as bolts - 4 - from plus cables.