Engine Control Module: Service and Repair

Removing

- Switch ignition OFF.

CAUTION!:
BEFORE disconnecting the ECM harness connector, switch the ignition OFF and WAIT at least 30 seconds. Failure to do so may damage the ECM.

Trim Panel Removal:

- Remove cover from lower right A pillar.
- Pull back carpeting in right front foot well.
- Remove screws (arrows) from electronics box cover.

Panel Screw Locations:

- Carefully pull upper and lower cover out of electronics box.
- Disconnect Motronic ECM from electronics box.
- Remove hose clamp from vacuum line and pull vacuum line out.

Installing

- Ensure that ignition is switched OFF.

CAUTION!:
DO NOT connect Motronic ECM with ignition switched ON.

- Connect Motronic ECM harness connector to Motronic ECM.
- Install Motronic ECM tightly in electronics box.
- Connect vacuum line to Motronic ECM.

Central Electronics Box:

- Carefully push lower cover into both openings of electronics box and lock in.

Central Electronics Box:

- Carefully put upper cover into both openings of electronics box.
- Screw both covers of electronics box to each other.
- Cover electronics box with carpeting again.
- Reinstall A pillar cover.