Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Geo >> 1992 >> Metro XFi >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Electronic Control Module (ECM) >> Power Circuit Checks

Power Circuit Checks

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches

Using DVOM, check power circuits to ECM for opens or shorts. To identify ECM power terminals, see appropriate wiring diagram in WIRING DIAGRAMS article in this section.