Ultrasonic Sensor: Service and Repair
Interior Monitoring Sensor (G273)
• Turn off the ignition and all electrical consumers.
• Remove the key.
• When removing and installing components in visible area (switches, covers, trim, etc.), cover by taping the areas at which a prying tool ( trim removal wedge (VAS 3409) , screwdriver) will be positioned using commercially available adhesive tape.
Removing
- Removing the front interior lamp (W1). Refer to => [ Front Interior Lamp (W1), without Sunroof ] Front Interior Lamp (W1), without Sunroof or => [ Front Interior Lamp (W1), with Sunroof ] Front Interior Lamp (W1), with Sunroof.
- Unclip the sensors - 3 -.
- Loosen the cable from the cable guide - 4 -.
- Remove the interior monitoring sensor - 1 - and the sensors - 3 - from the front interior lamp.
Installing
Install in reverse order of removal.