Cherokee 4WD L6-242 4.0L VIN M FI (1988)
Powertrain Control Module: Service and Repair
Ignition Control Module
REMOVAL
1.
Disconnect the negative battery terminal before removing electronic components.
2.
The Electronic Control Unit (ECU) is mounted underneath the instrument panel between the steering column and heater A/C housing. The ECU is
mounted to a bracket by three screws.
3.
Remove the three ECU mounting screws and lower the ECU.
4.
Disconnect the ECU wiring harness. Remove ECU.
INSTALLATION
1.
Connect ECU wire harness to ECU.
2.
Position ECU under instrument panel in correct location and install mounting screws.
3.
Connect negative battery terminal and test operation.
