Removing Control Unit For All-Wheel Drive (PTM)

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

Information 

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

• Assembly work may 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. 
  Fig 1: Identifying Control Unit For Wheel Drive Installation Position

  Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Loosen fastening screw -1-  , unscrew and remove fastening screw -2-  and slide the all-wheel drive (PTM) control unit out under fastening screw -1-  (-A-  ).
   Fig 2: Removing Control Unit For All -Wheel Drive

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Release electric plug connection -3-  and pull it off -B-  .