Mechatronic Unit, Removing and Installing

Mechatronic unit, removing and installing, 09E, 6 Speed A/T

Note:
^ Always replace mechatronics unit if it is dirty or faulty.
^ General repair instructions.
^ Observe rules for cleanliness when working on automatic transmission.

Removing
- Disconnect battery.
- Remove oil pan.
- Remove ATF screen.





- Disconnect 16-pin connector for transmission connection - B -.
- Touch vehicle ground with hand (without gloves) to discharge static.

CAUTION:
^ Always discharge static by touching a grounded object, e.g. vehicle ground, before touching or removing mechatronics unit.
^ Never touch contacts in 16-pin connector, as the static charge could destroy the control module and thus the mechatronics unit.

- Pull off locking clip for wiring harness connector - A -.





- Remove bolts for mechatronics unit in reverse order, i.e. first bolt - 11 - , then - 10 - , etc. until - 1 -.

Note:
^ Only loosen bolts - 1 - 11 - as indicated in the illustration.
^ If other bolts are loosened, this may affect the function of the mechatronics unit or it may come apart.

- Remove mechatronics unit together with wiring harness from transmission, at the same time guiding out connector for wiring harness.

Installing





- Make sure that seal - B - is properly installed and secured.
- Replace O-rings on wiring harness connector and lightly lubricate with ATF.





- Clip wiring harness - A - onto mechatronics unit - B -. At the same time, insert the tab - arrow - on backside of wiring harness into mechatronics unit.

Note: If the tab on the backside of the wiring harness breaks off, the wiring harness must be replaced.

- Insert wiring harness connector into transmission housing.
^ Installation position: Flat part of rear collar faces downward; tabs on collar are horizontal.





- Set mechatronics unit in place without using force, and at the same time insert stud of selector lever - arrow - into groove of selector slide - A - ; if necessary, move selector slide back or forth.





- Tighten bolts - 1 - and - 2 - for mechatronics unit to 2 Nm.
- Tighten bolts for mechatronics unit to 8 Nm in specified order, i.e. first bolt - 1 - , then - 2 - , etc. until - 11 -.





- Attach locking clip - A - for wiring harness connector - B -.
- Install ATF screen.
- Install oil pan.
- Connect battery.
- Top off ATF.