Preliminary Work For PASM Control Unit
- If a new control unit has to be installed, the values/coding must be read out using the 2nd generation PIWIS Tester 9818 prior to removing the "old" PASM control unit. → 431655 REPLACING PASM CONTROL UNIT .
- Detach part of the side trim panel for the rear luggage compartment at the left and fold it forward.
→ 700319 REMOVING AND INSTALLING SIDE TRIM PANEL FOR REAR LUGGAGE COMPARTMENT
- Pull control unit for rear-differential lock out of the holder and set it aside. → 397519 REMOVING AND INSTALLING CONTROL UNIT FOR REAR-DIFFERENTIAL LOCK .