Replacing Rear Electronic Module

Replacing The Integrated Relay / Fusebox In The Cargo Compartment, Rear Electronic Module


NOTE: As the illustrations in this service information are used for different model years and / or models, some variation may occur. However, the essential information in the illustrations is always correct.


Exposing the integrated relay / fusebox in the cargo compartment







Switch off the ignition.
Remove the left side panel in the cargo compartment.







Release the integrated relay/fusebox. Lift the catch by the upper edge and angle out the integrated relay/fusebox.


HINT: The rear panel in the side panel of the cargo compartment can be removed to change fuses.


Relay and fuse location, 11D
For the location of the relays and fuses, see:
1. Wiring diagram for relevant model year
2. Decals at both the integrated relay box and fusebox in the car
3. Pocket data book
4. Owner's Manual.

Installing the integrated relay / fusebox in the cargo compartment
- Align the integrated relay/fusebox in the grooves in the bracket and press into place.
- Install the left side panel in the cargo compartment.

Replacing the rear electronic module
The rear electronic module is a separate unit in the relay box in the cargo compartment.


CAUTION: New software can only be ordered after the control module has been installed in the car. VADIS reads off the new control module identity which is required to order the correct software.


Release the relay and fuse box.

Removing the control module







Unscrew the screw holding the connector so that it is free of its threads. Check that the screw is free with your fingers.
Disconnect the connector. Use an open wrench and a support. See the illustration.


NOTE: Do not damage the terminal pins. Always check that the control module and control module box connectors do not have bent or damaged terminals or socket / sleeves. This may have been the cause of the fault.







Remove all relays and shunts bridged to the control module. Note the locations.







Release the catch on the rear. Use a screwdriver.
Lift and pull out the control module.

Check
Check that the control module connectors are intact.

Installing the control module
- Press the control module into place so that the catch on the rear engages
- Position the connector. Carefully press the connector down.


NOTE: The pins are fragile. Check that the connector goes straight down into the control module.


- Tighten the screw for the connector
- Check that the connector cover is correctly positioned. Remedy if necessary
- Install the relays and shunts. Note their locations
- Install the integrated relay / fusebox.

Ordering software
Order the software.

Programming the control module
Program the new control module.