Operation CHARM: Car repair manuals for everyone.

Component Locations



Park Assistent Diagnosis

Component Arrangement







Function of individual components

[1A,1B]- Shift lever
The ParkAssistent is activated by engaging reverse gear with the ignition switched on (shift lever position R). During diagnosis the reverse gear must be engaged for this system. Otherwise the PST 2 cannot read out the control module.

[2]-Control module
The control module is installed under the driver's seat and is protected by a cover plate.

[3]- Loudspeaker in the instrument cluster
The loudspeaker is integrated into the instrument cluster and is actuated by the ParkAssistent control module. The loudspeaker emits the following signals:

Signal type Tone type
System readiness 0.5 sec. continuous tone, 1200 Hz.
Error message Continuous tone after switching on each time, 600 Hz.
Obstacle detection Signal tone with tone break.
Tone break is distance sensitive.
Continuous tone from a distance of 30 cm, 1200 Hz.

[4]- Sensors for Park Assistent
Four ultrasound sensors are installed in the rear spoiler.

The sensor for ParkAssistent consists of the following components together with the support:
- [1]- Rosette
- [2]- Washer
- [3]- Sensor housing
- [4]- Isolating ring
- [5]- Sensor
- [6]- Retaining spring