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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Engine Control Module: Testing and Inspection

CIRCUIT DIAGRAM

TROUBLESHOOTING PROCEDURES

HARNESS INSPECTION PROCEDURE

TROUBLESHOOTING HINTS
If the ground wire of the Engine Control Module (ECM) is not connected securely to ground, the ECM will not operate correctly.