578919 Removing and Installing Control Unit for Rear-end Electronics

WM 578919 Removing and installing control unit for rear-end electronics

Tools





Preliminary work

1. If the control unit has to be replaced, the values must be read out prior to removal using the 2nd generation PIWIS Tester 9818. -> 578955 Replacing control unit for rear-end electronics 578955 Replacing Control Unit for Rear-end Electronics.
2. Remove rear right luggage compartment side-panel lining. -> 700319 Removing and installing side-panel lining for rear luggage compartment - section on "Removing" Service and Repair

Removing control unit for rear-end electronics





Installation position of control unit for rear-end electronics

NOTICE

Voltage peaks

- Risk of damage to electrical load or to the control unit

-> Remove remote control and switch off ignition before disconnecting or removing electrical load.

Information

Always comply with the regulations for handling ESD-sensitive components!

- Assembly work must only be carried out if the mechanic is wearing the working clothes and shoes approved by Porsche.

- The new part must only be removed from the ESD (electrostatic discharge) protective packaging just before installation and at the position at which the part is to be installed.

- Never touch the electric pins and plug contacts.

1. Switch off ignition and remove remote control.
2. Release electric plug connection -1 and 2- by pressing the locking mechanism -a- and sliding the clip down -B- and pull off the connector -C-.





Releasing and pulling off plug connections

3. Release electric plug connection -3- on both sides -a- and pull it off -B-.





Releasing and pulling off plug connections

4. Release electric plug connection -4- on both sides -a- and pull it off -B-.
5. Pull the control unit -arrow- up out of the bracket.





Removing control unit for rear-end electronics

Installing control unit for rear-end electronics

Information

Always comply with the regulations for handling ESD-sensitive components!

- Assembly work must only be carried out if the mechanic is wearing the working clothes and shoes approved by Porsche.

- The new part must only be removed from the ESD (electrostatic discharge) protective packaging just before installation and at the position at which the part is to be installed.

- Never touch the electric pins and plug contacts.

1. Slide control unit into the bracket -arrow-.





Sliding control unit into bracket

2. Plug in electric plug connections -3 and 4- ( -B- ) until they engage securely.





Plugging in plug connection

3. Plug in electric plug connections -1 and 2- ( -B- ) and lock them -a-. To do this, slide the clip up until it engages securely.





Plugging in plug connection

Subsequent work

1. If the control unit was replaced, the values must be written using the 2nd generation PIWIS Tester 9818. -> 578955 Replacing control unit for rear-end electronics 578955 Replacing Control Unit for Rear-end Electronics.
2. Install rear right luggage compartment side-panel lining. -> 700319 Removing and installing side-panel lining for rear luggage compartment - section on "Installing" Service and Repair