Fuel Injection ECU Power Supply

Connect a voltmeter between pin No. 9 and pin No. 11 of fuel injection ECU connector. Connect a jumper wire between wire pin No. 21 of fuel injection ECU connector and ground. Voltmeter should indicate at least 12 volts. If reading is incorrect, check circuit continuity. If circuit continuity is okay, check main relay located in left rear corner of engine compartment.

Connect a voltmeter between pin No. 18 and pin No. 11. Turn ignition on. Voltmeter should indicate at least 12 volts. If reading is incorrect, check circuit continuity. If circuit continuity is okay, check ignition relay.