Engine Control Module: Service and Repair
Fig 26 PCM Location:
NOTE: The PCM engine control strategy prevents reduced a idle speeds until after the engine operates for 320 km (200 miles). If the PCM is replaced after 320 km (200 miles) of usage, update the mileage and vehicle identification number (VIN) in the new PCM. Use the DRB scan tool to change the mileage and VIN in the PCM. If this step is not done a Diagnostic Trouble Code (DTC) may be set. Refer to the appropriate Powertrain Diagnostic Procedures and the DRB scan tool.
CAUTION: To avoid possible voltage spike damage to PCM, ignition key must be off, and the negative battery cable must be disconnected before unplugging the PCM connectors. Note radio programs.
REMOVAL
1. Remove speed control servo and bracket and reposition out of the way (Fig. 26).
2. Reposition wiring harness out of the way.
3. Remove washer bottle filler neck.
Fig 27 TCM Location:
4. Remove Transmission Control Module (TCM) reposition out of the way (Fig. 27).
5. Remove PCM
6. Disconnect PCM 2 40-way connector.
INSTALLATION
1. Attach 2 40-way connector to PCM. a
2. Install PCM. Tighten bolt to 4 Nm (35 in lb) torque.
3. Install TCM.
4. Install washer bottle filler neck.
5. Reposition wiring harness.
6. Install speed control servo and bracket and tighten fasteners
7. Connect negative battery cable and reprogram radio and clock.
8. Using DRB scan tool, program mileage and vehicle identification number (VIN) into PCM. Refer to the DRB scan tool instructions.