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TROUBLE DIAGNOSIS - SPECIFICATION VALUE EC-139 C D E F G H I J K L M A EC 2006 Pathfinder 10. DETECT MALFUNCTIONING PART 1. Check the following. – Ignition coil and its circuit (Refer to – Fuel injector and its circuit (Refer to .) – Intake air leakage – Low compression pressure (Refer to EM-92, "CHECKING COMPRESSION PRESSURE" .) 2. If NG, repair or replace the malfunctioning part. >> GO TO 11. 11. CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2” 1. Start engine. 2. Select “A/F ALPHA-B1”, “A/F ALPHA-B2” in “DATA MONITOR (SPEC)” mode, and make sure that the OK or NG OK >> INSPECTION END NG >> GO TO 12. 12. CHECK A/F SENSOR 1 FUNCTION Perform all DTC Confirmation Procedure related with A/F sensor 1. ● For DTC P0130, P0150, refer to EC-227, "DTC Confirmation Procedure" . ● For DTC P0131, P0151, refer to EC-237, "DTC Confirmation Procedure" . ● For DTC P0132, P0152, refer to EC-246, "DTC Confirmation Procedure" . ● For DTC P0133, P0153, refer to EC-256, "DTC Confirmation Procedure" . ● For DTC P2A00, P2A03, refer to EC-609, "DTC Confirmation Procedure" OK or NG OK >> GO TO 15. NG >> GO TO 13. 13. CHECK A/F SENSOR 1 CIRCUIT Perform Diagnostic Procedure according to corresponding DTC. >> GO TO 14. 14. CHECK “A/F ALPHA-B1”, “A/F ALPHA-B2” 1. Start engine. 2. Select “A/F ALPHA-B1”, “A/F ALPHA-B2” in “DATA MONITOR (SPEC)” mode, and make sure that the OK or NG OK >> INSPECTION END NG >> GO TO 15. 15. DISCONNECT AND RECONNECT ECM HARNESS CONNECTOR 1. Stop the engine. 2. Disconnect ECM harness connector. Check pin terminal and connector for damage, and then reconnect it. >> GO TO 16. |