Cherokee 4WD L6-4.0L VIN S (1998)
Powertrain Control Module: Service and Repair
POWERTRAIN CONTROL MODULE (PCM)
Fig. 39 PCM Location
The PCM is located in the engine compartment next to the air cleaner assembly (Fig. 39).
REMOVAL
1. Disconnect the negative battery cable at battery.
Fig. 40 PCM Mounting
2. Carefully unplug the three 32-way connectors (Fig. 40) from PCM.
3. 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 the PCM and the three 32-way connectors for corrosion or damage. Repair as necessary.
4. Install three 32-way connectors.
5. Install battery cable.
