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947819 Removing and Installing Front Angle Sensor For Range Adjustment


WM 947819 Removing and installing front angle sensor for range adjustment

Tools





Technical values






Removing front angle sensor for range adjustment

Information

- The angle sensors are installed together with the Bi-XENON headlights and the steel-spring running gear.

- An angle sensor is located at the front left and rear left in running gears with steel springs.

- The level sensor is screwed to the bearing block and upper control arm.

1. Turn the steering until you have easy access to the level sensor.
2. Counter with an open-ended wrench on the two flats -1- and unscrew the fastening nuts -2-.





Loosening angle sensor

3. Unscrew both fastening screws -3-.
4. Disengage lever from angle sensor, swivel it forwards and remove the angle sensor.





Removing angle sensor

5. Press the electric connector together -arrow a- and pull it off.

Installing front angle sensor for range adjustment

Information

If a new angle sensor has been installed for headlight beam adjustment (HBA), the headlights must be recalibrated using the Porsche System Tester. -> 947919 Removing and installing rear angle sensor for headlight beam adjustment - section on "Calibrating" 947919 Removing and Installing Rear Angle Sensor For Headlight Beam Adjustment

1. Push electric plug onto angle sensor until the connector is felt to engage.





Inserting connector

2. Engage angle sensor lever and position angle sensor.





Positioning and securing angle sensor

3. Tighten the fastening screws -3-. => Tightening torque: 4.5 Nm (3.5 ftlb.)
4. Position the fastening nuts -2- , counter with an open-ended wrench on the two flats -1- and tighten the nuts. => Tightening torque: 8 Nm (6 ftlb.)

Calibrating angle sensor for range adjustment

Information

- The angle sensors are installed together with the Bi-XENON headlights and the steel-spring running gear.

- An angle sensor is located at the front left and rear left in running gears with steel springs.

- The level sensor is screwed to the bearing block and upper control arm.

With the vehicle standing on level ground:
1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on ignition.
2. Select "Special functions" using the cursor keys.
3. Select "HBA left or right" using the cursor keys.

Under the "Calibration" menu item, the gas discharge lamp control unit is adapted to the current conditions relating to vehicle position. During calibration the existing vehicle position is stored as zero position.

Following calibration, the headlight setting must be checked and corrected if necessary.
4. Read out fault memory. If a fault is detected, use the PIWIS Tester 9718 (fault-controlled diagnosis).
5. Check headlight setting. -> 941519 Removing and installing main headlight 94151900 Removing and installing main headlights