Audi A4: 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
- 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
- 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:
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
Overview - Battery Interrupt Igniter
1 - Connector
For the Battery Interrupt Igniter -N253-
2 - Nuts
Tightening specification. Refer to
→ Electrical Equipment; R
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:
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview and parts catalog prior to
starting procedure.
Mandatory Replacement Parts
Bolt - Outer CV Joint to Drive Axle
Clamp - CV Boot to Outer CV Joint
Clamp - CV Boot to Drive Axle
Bolts - Backing Plat
General Information
The anti-theft immobilizer system control module can
depending on the vehicle be integrated in the following systems:
Instrument Cluster Control Module -J285-
Comfort System Central Control Module -J393-
Access/Start Authorization Control Module -J518-
Additionally dependin