Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Mono-Motronic Engine Control Module (ECM)

Mono-Motronic Engine Control Module (ECM), component layout

1 - ECM harness connector
2 - Mono-Motronic Engine Control Module (ECM) (J257)*
3 - ECM mounting bracket
4 - 10 Nm (7 ft lb)
5 - Harness connector
6 - Engine Coolant Temperature (ECT) Sensor (G62)
7 - O-ring
8 - Clip
9 - Connector flange
10 - Heated Oxygen Sensor (H026) (G39)
11 - Harness connector

* Tested by On Board Diagnostic program. Testing and Inspection