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14 CHECK ECM POWER SUPPLY CIRCUIT-V 1. Reconnect all harness connectors disconnected. SEF290Z OK or NG OK E GO TO 16. NG E GO TO 15. 15 DETECT MALFUNCTIONING PART Check the following. I 10A fuse I Harness for open or short between ECM and fuse E Repair open circuit or short to ground or short to power in harness or connectors. 16 CHECK ECM POWER SUPPLY CIRCUIT-VI 1. Turn ignition switch “OFF”. MEC021E 3. Disconnect ECM harness connector. Continuity should exist. 5. Also check harness for short to ground and short to power. OK or NG OK E GO TO 18. NG E GO TO 17. TROUBLE DIAGNOSIS FOR POWER SUPPLY ZD30DDTi Main Power Supply and Ground Circuit EC-86 |