Component Location Overview - Electrical Components, Front Axle Differential Lock

Fig 1: Electrical Components Component Location Overview (Front Axle Differential Lock With Haldex Clutch)

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Differential Locks Control Module -J647-
   • Installed location: underneath the front axle differential lock between the subframe and engine.
   • Important signals are transmitted from the engine control module and ABS Control Module -J104- via the data bus to the Differential Locks Control Module -J647-.
   • Can be checked in "Guided Fault Finding"  using the Vehicle Diagnostic Tester.
   • Removing and installing. Refer to Differential Locks Control Module -J647-, REMOVING AND INSTALLING .
2. All Wheel Drive Clutch Pump -V181-
   • Installed location: underneath the front axle differential lock between the subframe and engine.
   • Can be checked in "Guided Fault Finding"  using the Vehicle Diagnostic Tester.
   • Removing and installing. Refer to All Wheel Drive Clutch Pump -V181-, REMOVING AND INSTALLING .
3. Diagnostic Connection
   • Component location: inside the left front footwell
4. Accelerator Pedal Position Sensor -G79- and Accelerator Pedal Position Sensor 2 -G185-
   • Removing and installing. Refer to ACCELERATOR PEDAL POSITION SENSORS -G79- / -G185-, REMOVING AND INSTALLING .