Shift Mechanism, Checking
Shift selector lever into position "P" and engage parking brake before working with the engine running.
- Starter must not be operated in selector lever positions "S", "D", "R" and in Tiptronic position.
- 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 5 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 brake pedal operated.
Selector lever in position "P", button pressed on selector lever and ignition switched on:
- Brake pedal is not being operated:
Selector lever is locked and cannot be switched out of position "P" with button pressed. Shift lock solenoid is locking selector lever.
- Brake pedal is being operated:
Shift lock solenoid enables selector lever. Selecting a driving mode is possible. Switch selector lever slowly through from "P" to "R, N, D, S" ; while doing this check whether selector lever position in instrument cluster matches selector lever position.
Selector lever in position "N", button pressed on selector lever and ignition switched on:
- Brake pedal is not being operated:
Selector lever is locked and cannot be switched out of position "N". Shift lock solenoid is locking selector lever.
- Brake pedal is being operated:
Shift lock solenoid enables selector lever. Selecting a driving mode is possible.
Shifting from position "N" to "D" with brake pedal operated is also possible without pressing button on selector lever. However, from position "N" to "R" the button on selector lever must also be pressed.
Selector lever in position "D", ignition and lights switched on:
Selector lever is locked and cannot be shifted from position "D" to position "S".
- Press button on selector lever
Selector lever is released and can be shifted from position "D" to position "S".
- Move selector lever into Tiptronic gate.
Brightening of "D" symbol must go out in selector lever display and "+" and "-" symbols must light up.
The selector lever display in instrument cluster must change from "P R N D S" to "6 5 4 3 2 1" when selector lever is moved in Tiptronic gate.
- Shift selector lever in Tiptronic gate to "+" and "-" :
The display "6 5 4 3 2 1" in instrument cluster must indicate (change) accordingly a gear higher or lower when shifting selector lever to "+" or "-".
-- Check and adjust selector lever cable SELECTOR LEVER CABLE, CHECKING .
-- Check ignition key removal lock IGNITION KEY LOCK, CHECKING FUNCTION .
Transmission Range (TR) Selector Lever Display
Simultaneous lighting of all segments of Transmission Range (TR) selector lever display indicates transmission in emergency running mode.