Shift mechanism, checking
Selector lever in position "P" and ignition switched on:
- Brake pedal is not being operated:
Selector lever is locked and cannot be shifted out of position "P" with the button at selector lever pressed. Shift lock solenoid is locking the selector lever.
- Brake pedal is being operated:
Shift lock solenoid enables the selector lever. Selecting a driving mode must be possible with the button at shift handle pressed without "sticking".
Slowly shift selector lever from "P" through "R, N, D, S" checking whether selector lever position in dash panel insert agrees with selector lever position.
Selector lever in position "N" and ignition switched on:
- Brake pedal is not being operated:
Selector lever is locked and cannot be shifted out of position "N" with the button at selector lever handle pressed. Shift lock solenoid is locking the selector lever.
- Brake pedal is being operated:
Shift lock solenoid enables the selector lever. Selecting a driving mode must be possible with the button at shift handle pressed without "sticking".
Selector lever in position "D" , ignition and lights switched on:
Move selector lever in Tiptronic gate. The "D" symbol must no longer be illuminated and "+" and "-" symbols must illuminate.
- Start engine and let run at idle
- Engage parking brake and operate brake pedal
The selector lever display in dash panel insert must change from "PRNDS" to "54321" when selector lever is moved in Tiptronic gate.
- The starter must not operate in the selector lever positions "D" , "S" and "R".
- For speeds exceeding 5 km/h and shifting into selector lever position "N" , the shift lock solenoid must not engage to lock the selector lever. Selector lever can be shifted into a driving mode.
- For speeds below 2 km/h (almost standstill) and shifting into selector lever position "N" , the shift lock solenoid must only engage after approx. 1 second. Selector lever can only be shifted out of position "N" with the brake pedal operated.