Audi Q7 Owners & Service Manuals

Audi Q7: Battery Interrupt Igniter

Audi Q7 (4M) 2016-2024 Workshop Manual / Body / Body  Interior / Passenger Protection, Airbags, Seat Belts / Battery Interrupt Igniter

Overview - Battery Interrupt Igniter

Overview - Battery Interrupt Igniter

1 - Connector

  • For the Battery Interrupt Igniter -N253-

2 - Nuts

  • Tightening specification. Refer to → Electrical Equipment; Rep. Gr.97; Relay Panels, Fuse Panels and E-Boxes; Component Location Overview - Relay Panels, Fuse Panels and E-Boxes.

3 - Battery Interrupt Igniter -N253-

  • Available only together with -4-

4 - Fuse Panel A -SA-

  • Removing and installing. Refer to → Electrical Equipment; Rep. Gr.97; Relay Panels, Fuse Panels and E-Boxes; Component Location Overview - Relay Panels, Fuse Panels and E-Boxes.

5 - Cover

  • For Fuse Panel A -SA-

6 - Positive Terminal Clamp

  • Tightening specification. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Overview - Battery.

Battery Interrupt Igniter, Removing and Installing

  WARNING

  • Follow all safety precautions when working on pyrotechnic components. Refer to → Chapter "Safety Precautions for Pyrotechnic Components".
  • Follow all regulations when disposing of pyrotechnic components. Refer to → Chapter "Airbag, Belt Tensioner and Battery Cut-Out Units, Storing, Transporting and Disposing (Pyrotechnic Components)".

  Note

  • If the Airbag Indicator Lamp -K75- turns on after a vehicle accident, check whether crash data is stored using the 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 Diagnostic Trouble Code (DTC) memory. If this is the case, 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.
  • The Battery Interrupt Igniter -N253- is available as a replacement part only together with Fuse Panel A -SA-.
  • Fuse Panel A - SA-, Removing and installing. Refer to → Electrical Equipment; Rep. Gr.97; Relay Panels, Fuse Panels and E-Boxes; Component Location Overview - Relay Panels, Fuse Panels and E-Boxes.

    READ NEXT:

     Driver Side Airbag

    Overview - Driver Side Airbag 1 - Wiring Harness For Driver Airbag Igniter -N95- and Driver Airbag Release Valve Igniter -N490- Replacing. Refer to → Chapter "Airbag Connector,

     Front Passenger Airbag

    Overview - Front Passenger Airbag 1 - Connector For Front Passenger Airbag Igniter 2 -N132- 2 - Connector For Front Passenger Airbag Release Valve Igniter -N491- 3 -&n

     Overview - Front Thorax Airbag

    1 - Front Thorax Airbag Driver side: with the Driver Thorax Airbag Igniter -N199- Front passenger side: with Front Passenger Thorax Airbag Igniter -N200-   WARNING Follow all s

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     Repair Information

    Minimum Curing Times for Bonded Windows For safety reasons, use only non-conductive two-part adhesive when installing windshield and rear window with the materials listed below. The vehicle can only be used after the minimum curing time has elapsed. During the minimum curing time, the vehicle

     Central locking

    General information WARNING If you leave the vehicle, switch the ignition off and take the key with you. This applies particularly when children remain in the vehicle. Otherwise, children could start the vehicle or operate electrical equipment (such as power windows), which increases the risk

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