A3 L4-2.0L Turbo (BPY) (2006)
Safety Circuit Breaker: Service and Repair
Battery Switch-Off Relay and Battery Interrupt Igniter
Special tools, testers and auxiliary items required
‹› Vehicle Diagnosis, Testing and Information System ( VAS 5051B)
Identification: Battery Switch-Off Relay -J655 and Battery Interrupt Igniters -N253.
‹› Battery Interrupt Igniters (N253) are pyrotechnic components.
CAUTION!
‹› Follow the safety precautions for pyrotechnic components.
‹› Follow the disposal regulations for pyrotechnic components. Refer to => [ Pyrotechnic Restraint System Component Disposal ] See:
Restraint Systems/Service and Repair/Pyrotechnic Restraint System Component Disposal.
‹› Battery Switch-Off Relay (J655) disconnects the circuit electrically. The Battery Switch-Off Relay ( J655) must always be replaced after a
deployment.
‹› 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.
Removal:
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Switch off ignition and remove ignition key.
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Disconnect the battery ground wire with the ignition off.
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Remove right side luggage compartment side trim. Refer to => [ Luggage Compartment Side Trim ] See: Body and Frame/Interior Moulding /
Trim/Service and Repair/Removal and Replacement/Trim
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Remove foam insert in right rear of luggage compartment
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Remove foam insert in right front of luggage compartment
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Open quick-release fasteners - 1 - and remove cover - 2 -.