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8 CHECK ECM POWER SUPPLY CIRCUIT-II 1. Stop engine. SEC403C OK or NG OK © GO TO 10. NG © GO TO 9. 9 DETECT MALFUNCTIONING PART Check the following. I Harness connectors M60, F4 I Harness for open or short between ECM and harness connector F4 © Repair harness or connectors. 10 CHECK ECM POWER SUPPLY CIRCUIT-III 1. Turn ignition switch “ON” and then “OFF”. SEC404C OK or NG OK © GO TO 15. NG (Battery voltage © GO TO 11. NG (Battery voltage © GO TO 13. GI MA EM LC FE CL MT AT PD AX SU BR ST RS BT HA SC EL IDX TROUBLE DIAGNOSIS FOR POWER SUPPLY Main Power Supply and Ground Circuit (Cont’d) EC-87 |