Operation CHARM: Car repair manuals for everyone.

Engine Control Module: Service and Repair

REMOVAL
1. Disconnect the battery ground cable. On vehicles equipped with dual batteries, for additional information, refer to Battery.

CAUTION: Always disconnect the battery ground cable prior to working on the electronic engine controls.







2. Disconnect the wiring harness.
1 Loosen the bolt.
2 Remove the wiring harness.







3. Remove the Powertrain Control Module (PCM).
1 Remove the screws.
2 Remove the cover.
3 Remove the powertrain control module.

INSTALLATION












1. Follow the removal procedure in reverse order.

NOTE: On vehicles equipped with dual batteries, for additional information, refer to Battery for battery reconnect procedure.