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MAIN POWER SUPPLY AND GROUND CIRCUIT EC-81 [YD (WITH EURO-OBD)] C D E F G H I J K L M A EC 13. DETECT MALFUNCTIONING PART Check the following. ● 20A fuse ● Harness connectors E62, F12 ● Harness for open or short between ECM and fuse >> Repair open circuit or short to ground or short to power in harness or connectors. 14. CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF. 2. Loosen and retighten ground screws on the body. Refer to . OK or NG OK >> GO TO 15. NG >> Repair or replace ground connections. 15. CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT 1. Check harness continuity between ECM terminals 1, 2, 3, 114 and body ground. Refer to Wiring Diagram. 2. Also check harness for short to power. OK or NG OK >> GO TO 16. NG >> Repair open circuit or short to power in harness or connectors. 16. CHECK INTERMITTENT INCIDENT Refer to EC-75, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" . >> INSPECTION END Component Inspection EBS013K0 ECM RELAY 1. Apply 12V direct current between ECM relay terminals 1 and 2. 2. Check continuity between relay terminals 3 and 5, 6 and 7. 3. If NG, replace ECM relay. MBIB0915E Continuity should exist. Condition Continuity 12V direct current supply between ter- Yes OFF No PBIB0077E |