Operation CHARM: Car repair manuals for everyone.
Home >> Mitsubishi >> 1990 >> Montero 4WD V6-2972cc 3.0L SOHC >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Testing and Inspection >> ECM Power and Ground Supply Circuits
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

ECM Power and Ground Supply Circuits

ENGINE CONTROL UNIT POWER GROUND





OPERATION
- Grounding of the engine control unit

Troubleshooting hints
If there is incorrect or incomplete contact of the engine control unit's ground line, the engine control unit will not function correctly.

HARNESS INSPECTION



pro multis · About Operation CHARM