Removing Control Unit For Four-Wheel Drive (PTM)

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Voltage peaks

Risk of damage to load or to the control unit

→ Remove the ignition key and switch off load before disconnecting or removing load.

Fig 1: Identifying Control Unit Installation Position

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Fold the backrests of the rear seats forward.
Lift the carpet lining up and remove it.
Unscrew fastening screws -1- and loosen fastening nuts -2- .

Fig 2: Removing Fastening Screws
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Turn the control unit holder around.
Screw off the two fastening nuts -3- and remove the four-wheel drive control unit from the holder.

Fig 3: Removing Fastening Nuts And Releasing Connector
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Release connector for the four-wheel drive control unit -a- and pull it off.