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START SIGNAL EC-673 C D E F G H I J K L M A EC 5. CHECK FUSE 1. Turn ignition switch OFF. 2. Disconnect 10A fuse. 3. Check 10A fuse. OK or NG OK >> GO TO 6. NG >> Replace 10A fuse. 6. CHECK START SIGNAL INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Reconnect 10A fuse. 2. Disconnect ECM harness connector. 3. Disconnect ignition switch harness connector. 4. Check harness continuity between ECM terminal 59 and ignition switch terminal 5. 5. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 8. NG >> GO TO 7. 7. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors M135, F105 ● Fuse block (J/B) No.1 connector M1 ● Harness for open or short between ignition switch and fuse block (J/B) No.1 ● Harness for open or short between ECM and fuse block (J/B) No.1 >> Repair open circuit or short to ground or short to power in harness or connectors. 8. CHECK INTERMITTENT INCIDENT Refer to EC-132, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" >> INSPECTION END Continuity should exist. |