LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2020 >> Q5 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (Passenger Protection, Airbags, Seat Belts) >> 69 Passenger Protection, Airbags, Seat Belts >> Battery Interrupt Igniter >> Battery Interrupt Igniter, Removing And Installing >> Removing

Battery Interrupt Igniter, Removing And Installing: Removing

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2022 Audi SQ5, 2022 Audi Q5 e, 2022 Audi Q5, 2021 Audi SQ5, and 2021 Audi Q5 e. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

Risk of injury due to involuntary deployment.

NOTE:

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

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

-- Switch the ignition on.

-- Remove the rear luggage compartment floor. Refer to LUGGAGE COMPARTMENT FLOOR, REMOVING AND INSTALLING .

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

-- Loosen the nut -1- and remove the battery positive cable terminal with Fuse Panel A -SA- from the battery terminal.

Fig 1: Fuse Box Cover, Removal
GWWA97-10316Courtesy of AUDI OF AMERICA, LLC

-- Remove the Fuse Panel A -SA- upward.

-- Release the spring -3- and open the flap -2- over Fuse Panel A -SA- upward -arrow-.

Fig 2: Identifying Battery Interrupt Igniter Components
GWWA69-10280Courtesy of AUDI OF AMERICA, LLC
WARNING:

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

-- Remove the nuts -2 and 3-.

-- Remove the battery interrupt igniter -4-.

-- Open the connector lock -5- using a small screwdriver and disconnect the connector -1-.