Engine Control Module: Service and Repair

REMOVAL

PCM And Fuel Pump Relay:

1. Disconnect negative battery cable.

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the adaptive strategy.

2. Remove trim panels on sides of floor console under instrument panel.
3. Remove ventilation duct located in front of Powertrain Control Module (PCM).
4. Remove PCM mounting bolts and nut.

Powertrain Control Module:

5. Disconnect PCM electrical connectors.
6. Remove nut from fuel pump relay bracket and separate relay from PCM.

Powertrain Control Module:

INSTALLATION
1. Place PCM into its mounting position.
2. Install mounting bolts and nut.
3. Plug in PCM electrical connectors.
4. Position fuel pump relay and install bracket attaching nut.
5. Install ventilation duct.
6. Install trim panels on floor console under instrument panel.
7. Connect negative battery cable.