Operation CHARM: Car repair manuals for everyone.

Power Distribution Module: Service and Repair


WM 971019 Removing and installing vehicle electrical system control unit

Preliminary work

Preliminary work - vehicle electrical system control unit

Detach relay carrier 1. -> 978319 Removing and installing relay carrier 1 - "removing" 97831900 Removing and installing relay carrier 1

Installing vehicle electrical system control unit

1. Press electrical plugs into control unit and lock them -arrow- so they are felt to engage.





Inserting the connectors

2. Push vehicle electrical system control unit upwards into the holder. It must engage properly. Make sure the electrical leads are not pinched.





Push the electrical system wiring into its retaining bracket so that it engages.

Subsequent work - vehicle electrical system control unit

Attach relay carrier 1. -> 978319 Removing and installing relay carrier 1 - "installing" 97831900 Removing and installing relay carrier 1

Coding vehicle electrical system control unit

Programming the vehicle electrical system control unit: