Audi A4: Airbag System
Audi A4 (B9) 2016-2023 Service Manual / Body / Body Interior / Passenger Protection, Airbags, Seat Belts / Airbag System
Component Location Overview - Airbag System
1 - Pedestrian Protection Trigger 2 -G599-
- Overview. Refer to → Chapter "Overview - Pedestrian Protection".
2 - Front Passenger Airbag Deactivation Key Switch -E224-
Not for NAR
3 - Front Passenger Airbag
- With
- Front Passenger Airbag Igniter 1 -N131-
- Front Passenger Airbag Release Valve Igniter -N491-
- Overview. Refer to → Chapter "Overview - Front Passenger Airbag".
4 - Thorax Airbag on Front Passenger Side
- With Front Passenger Thorax Airbag Igniter -N200-
- Overview. Refer to → Chapter "Overview - Front Thorax Airbag".
5 - Front Passenger Airbag -Disabled- Indicator Lamp -K145-
- Integrated in the Front Roof Module -WX3-. Cannot be replaced separately if faulty.
- Replace the Front Roof Module -WX3-. Refer to → Electrical Equipment; Rep. Gr.96; Controls, Front Interior Lamp/Reading Lamp, Removing and Installing.
6 - Rear Thorax Airbag on Front Passenger Side
- With Passenger Side Rear Thorax Airbag Igniter -N202-
- Overview. Refer to → Chapter "Overview - Rear Thorax Airbag".
7 - Front Passenger Head Curtain Airbag
- With Front Passenger Head Curtain Airbag Igniter -N252-
- Overview. Refer to → Chapter "Overview - Head Curtain Airbag".
8 - Battery Interrupt Igniter -N253-
- Overview. Refer to → Chapter "Overview - Battery Interrupt Igniter".
9 - Driver Head Curtain Airbag
- With Driver Head Curtain Airbag Igniter -N251-
- Overview. Refer to → Chapter "Overview - Head Curtain Airbag".
10 - Rear Thorax Airbag on Driver Side
- With Driver Side Rear Thorax Airbag Igniter -N201-
- Overview. Refer to → Chapter "Overview - Rear Thorax Airbag".
11 - Thorax Airbag on Driver Side
- With Driver Thorax Airbag Igniter -N199-
- Overview. Refer to → Chapter "Overview - Front Thorax Airbag".
12 - Airbag Control Module -J234-
- Overview. Refer to → Chapter "Overview - Airbag Control Module".
13 - Driver Side Airbag
- With
- Driver Airbag Igniter -N95-
- Driver Airbag Release Valve Igniter -N490-
- Overview. Refer to → Chapter "Overview - Driver Side Airbag".
14 - Steering Column Electronics Control Module -J527-
- With Airbag Spiral Spring/Return Spring with Slip Ring -F138-
- Overview. Refer to → Electrical Equipment; Rep. Gr.94; Steering Column Switch Module; Overview - Steering Column Switch Module.
15 - Airbag Indicator Lamp -K75-
- Integrated into the instrument cluster. Cannot be replaced separately if faulty.
- Replace the instrument cluster. Refer to → Electrical Equipment; Rep. Gr.90; Instrument Cluster; Overview - Instrument Cluster.
16 - Pedestrian Protection Trigger 1 -G598-
- Overview. Refer to → Chapter "Overview - Pedestrian Protection".
READ NEXT:
Airbag Control Module
Overview - Airbag Control Module
1 - Center Tunnel
2 - Nut
9 Nm
Quantity: 4
The thread must be paint and contaminant free, nut and ground pins serve
as ground connection for
Battery Interrupt Igniter
Overview - Battery Interrupt Igniter
1 - Connector
For the Battery Interrupt Igniter -N253-
2 - Nuts
Tightening specification. Refer to
→ Electrical Equipment; R
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,
SEE MORE:
Operating
Fig. 4 Driver information system display
Fig. 5 Left side of multifunction steering wheel
Information is organized within various tabs (1) in
the instrument cluster. The tab contents are displayed
in the central area (2).
Requirement: the ignition must be switched on.
Selecting a tab
Press the
Sun Visor, Removing and Installing
Special tools and workshop equipment required
Angled Screwdriver -VAS6416-
Removing
- Unclip the sun visor mount expanding cap
-1- in the direction of -arrow-
by sliding the -VAS6416- just approximately 1 mm under the cap.
Note
If the -VAS6416- is inserted farther, it will be locat
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