Roomster
| Electric/electronic components and fitting locations |
| 1 - | Dash panel insert |
| q | different version according to vehicle equipment |
| q | Assignment → Electronic Catalogue of Original Parts |
| 2 - | Servotronic warning light -K92- |
| q | Fitting location: in the dash panel insert |
| q | Operation: |
| t | The servotronic warning light -K92- lights up until the ignition is switched on |
| t | if the servotronic warning light -K92- does not go out after the ignition is switched on, faults may be stored |
| q | Performing self-diagnosis → Chapter |
| 3 - | Diagnostic connection |
| q | Fitting location: left in the fuse carrier |
| 4 - | Sensor for power steering -G250- |
| q | with adapter cable |
| q | Fitting location: in the valve dome of the power-steering gear |
| q | Operation: |
| t | Determining the steering-wheel angle and calculating the steering angle speed |
| t | if the sensor fails the power steering switches to programmed emergency operation, the steering function is guaranteed, but the steering effort becomes greater |
| t | Malfunctions of the sensor are stored in the power steering control unit -J500- |
| q | Performing self-diagnosis → Chapter |
| q | removing and installing → Chapter |
| q | Assignment → Electronic Catalogue of Original Parts |
Note| No longer applicable as of CW 4 2010 on vehicles with ESP. |
| 5 - | Line |
| q | for power-assisted steering sensor -G250- |
| 6 - | Power-assisted steering control unit -J500- |
| q | Fitting location: integrated in the engine pump aggregate |
| q | Operation: |
| t | To convert the signals for driving the gear pump in function of the steering angle speed and the vehicle speed. |
| t | Re-engaging protection after faults |
| t | Temperature protection for power steering |
| t | detects faults during operation and stores them in a permanent memory |
| q | Performing self-diagnosis → Chapter |
| q | Power steering control unit -J500- cannot be replaced individually; replace the engine pump aggregate → Chapter |
| 7 - | Engine pump aggregate TRW |
| q | removing and installing → Chapter |