Engine Control Module: Service and Repair

PCM REMOVAL/INSTALLATION [MZR 2.3 DISI Turbo]

1. Remove the battery cover. Removal and Replacement

2. Disconnect the negative battery cable. Removal and Replacement

3. Remove the following items: Removal and Replacement

- Battery
- PCM cover No.1

4. Disconnect the PCM connector. (See PCM Connector Connection Note.)

5. Remove the battery tray and PCM component. Removal and Replacement

6. Remove in the order indicated in the table.










7. Install in the reverse order of removal.

8. When replacing the PCM on the vehicles, perform the following:

- PCM configuration Programming and Relearning
- Immobilizer system-related parts programming Keyless Entry System Advanced Keyless Entry And Push Button Start System

PCM Connector Connection Note

CAUTION:
- If the PCM connector is connected incorrectly it could be damaged. When connecting the PCM connector, connect it using the following procedure.
- If the PCM connector is inserted at an angle and the lever is moved, the connector could be damaged. Verify that the PCM connector is inserted straight.






1. Verify that the PCM connector lever is tilted towards the wiring harness side as shown in the figure.






2. Insert the PCM connector straight until it contacts the PCM and verify that the lever reverts upward naturally.

3. Push the lever until a click is heard.