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EC-1314 [YD (WITHOUT EURO-OBD)] MAIN POWER SUPPLY AND GROUND CIRCUIT 8. CHECK ECM POWER SUPPLY CIRCUIT-III 1. Disconnect ECM relay. 2. Check voltage between relay terminals 1, 6 and ground with OK or NG OK >> GO TO 10. NG >> GO TO 9. 9. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors E105, M10 ● 20A fuse ● Harness for open or short between ECM relay and battery >> Repair open circuit or short to ground or short to power in harness or connectors. 10. CHECK OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Disconnect ECM relay. 2. Disconnect ECM harness connector. 3. Check harness continuity between ECM terminals 105, 113 and 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 11. NG >> Repair open circuit or short to ground or short to power in harness or connectors. MBIB0922E Voltage: Battery voltage PBIB0359E Continuity should exist. MBIB0922E |