Contents: Removal ↓ Installation ↓
Removal
Before removing the automatic transmission control unit J217, the identification data of the control units and the coding of the old control unit must first be requested.
NOTE: To avoid damage to the front trim panel under the front right seat, the trim panel retaining clips are shown in Figure 3.62.
The fasteners A are hooked onto the cross brace under the seat. Press the pad down slightly and at the same time slide it back. Hold the pad in this position and in the area of the fasteners A pull it up to unlock it.
The B latches will fit into the slots in the cross brace in front of the seat. You can also unlock them by pushing them down and pulling them forward.
The C fasteners are clipped into the side trim of the seat; by pulling them forward, the trim can be unclipped.
Set the seat to the rear, upper position.
Unlock the "A" locks by pressing down and simultaneously sliding them back. In this position, pry up the cover in the area of the "A" locks.
Press the cover down and pull it forward at the same time. This will unlock the locks "B" and "C" (Fig. 3.63).
Set the seat to the forward, upper position.
It is essential to follow the sequence of disconnecting the battery.
Disconnect the ground terminal from the battery with the ignition off.
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Housing 1 contains the automatic transmission control unit J217 and the transfer case control unit J646.
Unlock and disconnect the connectors of the transfer case control unit J646 2 and the connector of the automatic transmission control unit J217 3 (Fig. 3.64).
Unscrew bolt 1 and remove the housing with control units from the mount (Fig. 3.65).
Pull the latches outward 1 and remove the control unit from the housing 2 (Fig. 3.66).
Installation
Installation is carried out in the reverse order. The following should be taken into account.
Check the old coding and code the new control unit.
Install the seat upholstery.
Perform work operations after connecting the battery.
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