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DTC P0420, P0430 THREE WAY CATALYST FUNCTION EC-379 C D E F G H I J K L M A EC 2006 Pathfinder 7. CHECK FUNCTION OF IGNITION COIL-II 1. Turn ignition switch OFF. 2. Disconnect spark plug and connect a known-good spark plug. 3. Crank engine for about three seconds, and recheck whether spark is generated between the spark plug OK or NG OK >> GO TO 8. NG >> Check ignition coil, power transistor and their circuits. Refer to 8. CHECK SPARK PLUG Check the initial spark plug for fouling, etc. OK or NG OK >> Replace spark plug(s) with standard type one(s). For spark plug type, refer to . NG >> 1. Repair or clean spark plug. 2. GO TO 9. 9. CHECK FUNCTION OF IGNITION COIL-III 1. Reconnect the initial spark plugs. 2. Crank engine for about three seconds, and recheck whether spark is generated between the spark plug OK or NG OK >> INSPECTION END NG >> Replace spark plug(s) with standard type one(s). For spark plug type, refer to . 10. CHECK FUEL INJECTOR 1. Turn ignition switch OFF. 2. Remove fuel injector assembly. EM-35, "FUEL INJECTOR AND FUEL TUBE" Keep fuel hose and all fuel injectors connected to fuel tube. 3. Reconnect all fuel injector harness connectors. 4. Disconnect all ignition coil harness connectors. 5. Turn ignition switch ON. OK or NG OK (Does not drip.)>>GO TO 11. Spark should be generated. SEF156I Spark should be generated. |