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Home >> Mitsubishi >> 1990 >> Precis Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - System/Component Tests - PFI >> Computerized Engine Controls >> Control Unit >> Power Circuits
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Power Circuits

Turn ignition on. Check for battery voltage on ECU terminals No. 4 and 9. If battery voltage is not present, check operation of MPI control relay. See MPI CONTROL RELAY  under RELAYS in this article.

ENGINE CONTROL UNIT (ECU) LOCATION

Application Location
Precis Under Instrument Panel, Near Steering Column