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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Restraints >> Passive Restraints >> Passenger Protection, Airbags, Seat Belts >> 69 Passenger Protection, Airbags, Seat Belts >> Pedestrian Protection >> Pedestrian Protection Crash Sensor, Removing And Installing >> Installing

Pedestrian Protection Crash Sensor, Removing And Installing: Installing

WARNING:

Risk of injury due to involuntary deployment.

  • Pay attention to the safety precautions when working with pyrotechnic components. Refer to SAFETY PRECAUTIONS WHEN WORKING WITH PYROTECHNIC COMPONENTS .
  • Before handling pyrotechnic components (for example, connecting a connector), the person handling it must "discharge static electricity". For example, this can be done by briefly touching the door striker.

-- Engage the pedestrian protection crash sensor into the molded foam part.

WARNING:

Risk of malfunction.

  • Do not kink or stretch the pressure hose.

-- Install the molded foam part with the pedestrian protection crash sensor. Refer to Front Bumper .

-- Attach the connector -1- to the crash sensor until it clicks into place in direction of -arrow-.

Fig 1: Identifying Connector
GWWA69-10932Courtesy of AUDI OF AMERICA, LLC

-- Push in the connector lock -2- to secure the connector.

Further installation is performed in reverse order of removal, while noting the following:

NOTE:

Make sure the connectors are pushed in all the way and that they engage audibly.

Make sure the wires are not pinched.

WARNING:

Repairing pyrotechnic components (for example the airbag and seat belt tensioner) incorrectly increases the risk of injuries due to unintentional deployments when the battery is connected.

  • The ignition must be on when connecting the battery.
  • Make sure that no one is inside the vehicle at the time when the battery is connected.

-- Connect the battery ground cable with the ignition switched on. Refer to BATTERY, DISCONNECTING AND CONNECTING .

WARNING:

Repairing pyrotechnic components (for example the airbag and seat belt tensioner) incorrectly increases the risk of injuries due to unintentional deployments when the ignition is switched on.

  • If the ignition is not switched on after the battery is reconnected - >>indicator lamps in the instrument cluster do not light up<< - the ignition (key/button) may only be switched on when the driver seat is positioned all the way back.
NOTE:

If the Airbag Indicator Lamp -K75- indicates a fault, check the DTC memory, erase it and check it again. Refer to Vehicle Diagnostic Tester.

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