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Engine Control Module: Service and Repair

POWERTRAIN CONTROL MODULE (PCM) REPLACEMENT

REMOVAL PROCEDURE

NOTE: Turn the ignition OFF when installing or removing the PCM connectors and disconnecting or reconnecting the power to the PCM (battery cable, PCM pigtail, PCM fuse, jumper cables, etc.) in order to prevent internal PCM damage.




1. Record the Transaxle Fluid and Engine Oil Life Indexes.
2. Turn OFF the ignition.
3. Disconnect the battery negative cable.
4. Remove the screw retaining the intake air duct/resonator (3) to the PCM housing.




5. Unsnap the air filter housing clamps on top of the air cleaner housing assembly.
6. Pull the intake air duct/resonator assembly (2) up enough to remove the air cleaner cover (3) and the PCM.
7. Slide the air cleaner element assembly toward the fender to separate the air cleaner element assembly from the air inlet assembly.




8. Loosen the PCM connector attaching bolts.
9. Disconnect both PCM connectors.
10. Remove the PCM (1).

INSTALLATION PROCEDURE

IMPORTANT: If the PCM is being programmed using the Off-Board method, perform the programming before continuing with the steps listed below. Refer to the off-Board procedure in Service Programming System (SPS) in Programming.




1. Install the PCM (1).

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the PCM connectors.

Tighten
Tighten the PCM connectors screws to 8 Nm (71 lb in).




3. Install the air cleaner cover (3) onto the air inlet housing.
4. Snap the assembly clamps into place.




5. Align the intake air duct/resonator assembly (3) into place.
6. Install the screw onto the intake air duct/resonator assembly.

Tighten
Tighten the intake air duct clamp to 3 Nm (27 lb in).

7. Connect the battery negative cable.
8. Program the PCM. Refer to Service Programming System (SPS) 10-10 in Programming. Programming and Relearning