Installing Control Unit For Rear-Differential Lock

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Slide control unit for rear-differential lock -2- fully into the holder -1- and press it in -arrow A- until the two clips -arrows B- engage securely.

Fig 1: Installing Control Unit For Rear-Differential Lock
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Plug in connector -2- (-arrow A- ) and close the lock -1- (-arrow B- ).

Fig 2: Connecting Connector
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fit control unit for rear-differential lock -2- into the body -arrow- and secure with the fastening screws -1- . → Tightening torque: 4.5 Nm (3.0 ft lbs.)+/-1 Nm (+/-0.5 ft lbs.)

Fig 3: Securing Control Unit For Rear-Differential Lock
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Information
- Only for vehicles without auxiliary air conditioner.
Position package box -2- on the body -arrow- and secure with the fastening screws -1- .

Fig 4: Installing Package Box
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
A charger with a current rating of at least 40 A must be connected to the vehicle battery.
PIWIS Tester 9718 must be connected to the vehicle. Start the PIWIS Tester. Switch on ignition using original key and press [>>] to continue.
Select vehicle type and press [>>].
Select the rear-differential lock control unit and press [>>].
Read out fault memory. Erase the fault memory if necessary.
Carry out a test drive and read out the fault memory. If faults are present, proceed in accordance with the Guided Fault Finding instructions.