Installing The Control Module

Fig 1: Cleaning The Marked Surfaces

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Clean the marked surfaces on the inside of the rear display screen using isopropanol , and wipe dry.

Fig 2: Cleaning The Marked Surfaces

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Clean the marked surfaces on the smooth section of the control module using isopropanol , and wipe dry.

Fig 3: Identifying Velcro Pieces Pressed Together

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Fig 4: Identifying Velcro Strip

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Fig 5: Removing The Protective Backing Tape

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Remove the protective backing tape from one side of the Velcro fasteners which were pressed together.

Fig 6: Pressing Velcro Fasteners Onto Control Module

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Fig 7: Removing The Remaining Protective Backing

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Fig 8: Connecting To The Control Module

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Connect the connector from the wiring to the control module.
Press the control module on the rear display screen in such a way that the wiring connector is not located at the edge of the lower edge of the display screen.

Illustration A

Fig 9: Identifying 2-Pin Gray Connector (1) and 5-Pin Green Connector (2)

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Look for the pre-routed 2-pin gray connector (1) for the control module power supply, and the pre-routed 5-pin green connector (2) for signals to the control module. The connectors are clamped at the front edge of the large hole in the side of the bodywork.
NOTE:
If the car is equipped with an Accessory Electronic Module (AEM) then the green connector is not clamped but hangs loose.
Connect the connectors to the control module.
Reinstall the AM/FM tuner module (AFM) / traffic message channel module (TMC).

Illustration B

Fig 10: Identifying Green (Gn) Five Pin Connector (1)

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Applies to cars from CH 40000-, with Parking Assistance Module (PAM)

Detach the green (GN) five pin connector (1) which is taped at the Parking Assistance Module (PAM) cable's rubber grommet.
Plug the green connector into the Trailer Module (TRM).

Fig 11: Identifying Fuse Box In The Engine Compartment.

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Applies to V50s manufactured after w720

Pull up the catch on the cover on the fuse box in the engine compartment. Pull up the cover and remove it.

Fig 12: Installing 40 A Fuse

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Applies to V50s manufactured after w720