1. Loosen the screws and remove the control electronics cover.
2. Disconnect the connector (s) and remove the control box.
Removal of ECM engines M51, M52, M60, M62
Removal of ECM engine M57
1/2 — ECM1/ECM2
3 - Transmission control unit
4 - The control unit of the engine power control system
3. Installation is carried out in the reverse order. The new ECM must be programmed after installation.