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Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Passenger Protection, Airbags, Seat Belts (Sedan) >> 69 Passenger Protection, Airbags, Seat Belts >> Battery Interrupt Igniter >> Battery Interrupt Igniter, Removing And Installing >> Removing

Battery Interrupt Igniter, Removing And Installing: Removing

WARNING:
NOTE:

If Airbag Indicator Lamp -K75- comes on after a vehicle accident, check whether crash data is stored using Vehicle Diagnostic Tester. If this is the case, check if the malfunction >>Resistance too high<< for the Battery Interrupt Igniter -N253- is stored in the DTC memory. If this is the case, Battery Interrupt Igniter -N253- must be replaced.

The Battery Interrupt Igniter -N253- interrupts the circuit for each time an each time an airbag is deployed. The Battery Interrupt Igniter -N253- must be replaced after a deployment.

The Battery Interrupt Igniter -N253- is available as a replacement part only together with Fuse Panel A -SA-.

When just replacing the battery interrupt igniter -N253-, remove it from the replacement part and install it in Fuse Panel A -SA- as follows.

-- Turn on the ignition.

-- Disconnect the battery ground cable with the ignition turned on. Refer to BATTERY, DISCONNECTING AND CONNECTING .

-- Remove the vehicle tool kit mount.

Fig 1: Identifying Battery Interrupt Igniter
GWWA69-10275Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -2- and -3-.

-- Unlock the retaining spring -3-.

Fig 2: Identifying Fuse Box Cover, Removal
GWWA97-10316Courtesy of AUDI OF AMERICA, LLC

-- Lift the lid -2- over the Fuse Panel A -SA- slightly upward -arrow- and at the same time remove the battery interrupt igniter.

NOTE:

Ignore -Item 1-.

WARNING:

Before handling pyrotechnic components (for example, disconnecting the connector), the person handling it must "discharge static electricity". This can be done by touching the door striker, for example.

Fig 3: Identifying Battery Interrupt Igniter
GWWA69-10275Courtesy of AUDI OF AMERICA, LLC

-- Remove the battery interrupt igniter -4-.

-- Disconnect the connector -1- by releasing locking mechanism -5- -arrow-  .