Removing and installing centre crash sensor for X/Y axis G858 — AUDI

Removing and installing
centre crash sensor for X/Y axis
G858
Removing
WARNING
Observe safety precautions when working on pyrotechnic components
Chapter
.
Before handling pyrotechnic components (e.g. unplugging the electrical connector) the mechanic must discharge any static electricity. This can be done by briefly touching the door striker plate, or similar.
Move front seats as far forwards as possible and tilt backrests as far forwards as possible.
With ignition switched on, disconnect battery earth wire
Electrical system
Rep. gr.
27
Battery; Disconnecting and connecting battery
.
Remove support bracket for centre console
Chapter
.
Lift heater and air conditioning unit (rear) as far as possible without applying force and support it.
WARNING
Before handling pyrotechnic components (e.g. unplugging the electrical connector) the mechanic must discharge any static electricity. This can be done by briefly touching the door striker plate, or similar.
Press down connector locking element and unplug electrical connector
3
.
Press air duct slightly to one side and remove bolt
1
.
Detach crash sensor
2
for side airbag from body.
Installing
WARNING
Observe safety precautions when working on pyrotechnic components
Chapter
.
Before handling pyrotechnic components (e.g. plugging in the electrical connector) the mechanic must discharge any static electricity. This can be done by briefly touching the door striker plate, or similar.
Attach connector to crash sensor so that it engages audibly.
Perform remaining installation steps in reverse order of removal; observe the following:
Note
Make sure that electrical connectors are pressed on as far as they will go and engage audibly.
Take care not to trap any wires.
WARNING
Danger of incorrectly repaired pyrotechnic components (e.g. airbags or belt tensioners) being triggered inadvertently when connecting the battery.
The battery must be connected with the ignition switched on.
For your own safety, keep clear of the airbag inflation areas and the belt tensioners/seat belts when connecting the battery.
Before connecting the battery, make sure there is no one in the vehicle.
With ignition switched on, connect battery earth wire
Electrical system
Rep. gr.
27
Battery; Disconnecting and connecting battery
.
Note
If the
airbag warning lamp
K75
indicates a fault following installation, you must interrogate, erase and then re-interrogate the event memory
Vehicle diagnostic tester
.
Notes for installation: tightening torques, renewing components etc.
Chapter
“
Overview of fitting locations - crash sensors for airbags
”