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IGNITION SIGNAL EC-657 C D E F G H I J K L M A EC 6. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-III 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Disconnect ECM relay. 4. Check harness continuity between ECM terminal 12 and ECM 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. 2 harness connector M143 ● Harness for open or short between ECM and ECM relay >> Repair open circuit or short to ground or short to power in harness or connectors. 8. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-IV Check voltage between ECM relay terminal 5 and ground with CON- OK or NG OK >> GO TO 10. NG >> GO TO 9. 9. DETECT MALFUNCTIONING PART Check the following. ● 20A fuse ● Fuse, fusible link and relay block (J/B) harness connector E3 ● Fuse block (J/B) No. 2 harness connector E215 ● Harness for open and short between ECM relay and fuse >> Repair or replace harness or connectors. 10. CHECK ECM RELAY Refer to EC-142, "Component Inspection" OK or NG OK >> GO TO 17. NG >> Replace ECM relay. Continuity should exist. PBIB0040E Voltage: Battery voltage PBIB2078E |