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EC-138 < DTC/CIRCUIT DIAGNOSIS > [VK56DE] POWER SUPPLY AND GROUND CIRCUIT Refer to Wiring Diagram. 4. Also check harness for short to ground and short to power. OK >> GO TO 13. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 11. CHECK ECM POWER SUPPLY CIRCUIT-VI 1. Disconnect ECM harness connector. 2. Disconnect IPDM E/R harness connector E119. 3. Check harness continuity between ECM terminal 111 and IPDM E/R terminal 7. Refer to Wiring Diagram. 4. Also check harness for short to ground and short to power. OK >> GO TO 12. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 12. CHECK 20A FUSE Check 20A fuse (No. 53, located in IPDM E/R). OK >> GO TO 16. NG >> Replace 20A fuse. 13. CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF. 2. Loosen and retighten three ground screws on the body. OK or NG OK >> GO TO 14. NG >> Repair or replace ground connections. 14. CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-II 1. Disconnect ECM harness connector. 2. Check harness continuity between ECM terminals 1, 115, 116 and ground. Refer to Wiring Diagram. 3. Also check harness for short to power. OK >> GO TO 16. NG >> GO TO 15. 15. DETECT MALFUNCTIONING PART Check the following. Continuity should exist. Continuity should exist. BBIA0354E Continuity should exist. |