Wrangler 4WD L4-150 2.5L VIN P MFI (1998)
Powertrain Control Module: Service and Repair
POWERTRAIN CONTROL MODULE (PCM)
Fig. 39 PCM Location
The Powertrain Control Module (PCM) is located in the engine compartment (Fig. 39).
REMOVAL
1
Disconnect negative battery cable at battery.
2
Remove plastic shield from over 32-way connectors. Shield snaps to connectors.
3
Carefully unplug three 32-way connectors (Fig. 39) from PCM.
4
Remove three PCM mounting bolts and remove PCM from vehicle.
INSTALLATION
1
Install PCM and mounting bolts to vehicle.
2
Tighten bolts to 4 Nm (35 in. lbs.).
3
Check pin connectors in PCM and three 32-way connectors for corrosion or damage. Also check pin heights in connectors. Pin heights should all
be the same. Repair as necessary before installing 32-way connectors.
4
Install three 32-way connectors.
5
Install plastic shield to 32-way connectors. Shield snaps to connectors.
6
Install battery cable.
