Engine Control Module: Service and Repair

Control Module Mounting:

CAUTION:

[a] The ignition must be "OFF," when disconnecting or reconnecting the control module connector, to prevent internal damage to the control module.

[b] To prevent possible Electrostatic Discharge to the control module, DO NOT touch the connector pins or soldered components on the circuit boards.

NOTE: When replacing a production control module with a service controller, transfer the broadcast DTC and production control module part number to the controller label. DO NOT record information on the access cover.

REMOVAL:

1. Disconnect the negative battery terminal.
2. Remove control module mounting bracket under drivers seat. Lift and twist to remove from under seat.
3. Disconnect control module harness connectors.
4. Remove brackets and modules, if equipped.
5. Remove access cover and PROM (MEM-CAL).

INSTALLATION:

1. Install PROM (MEM-CAL) and access cover on to new control module.
2. Install mounting brackets and module(s).
3. Connect control module harness connectors.
4. Install control module and bracket under driver seat.
5. Connect the negative battery terminal.
6. Perform functional check.