Engine Control Module: Service and Repair

ECM (Engine Control Module Removal and Installation

CAUTION: As ECM consists of precision parts, be careful not to expose it to excessive shock.

NOTE: After replacing ECM, perform following procedure.
- Registration VIN data to ECM.
- Registration of ignition key.
- Electric throttle control system calibration.

Removal
1. Disconnect negative cable from battery.
2. Disconnect connectors from ECM as follows.
a. Push lock (1) to release locking of lock lever (2).
b. Turn lock lever in arrow direction until it stops.







3. Remove ECM (1) and cover from bracket by removing their mounting bolts (2).







Installation
Reverse removal procedure noting the following.
- Connect connectors to ECM as follows.
a. Make sure that lock lever of ECM connector is in unlock position.







b. Insert ECM connectors to ECM until it stops.







c. Lock ECM connectors securely by setting their lock levers in their locked position.