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PRECAUTIONS EC-19 C D E F G H I J K L M A EC 2007 Pathfinder ● Before replacing ECM, perform “ECM Terminals and Refer- EC-105, "ECM Terminals and Reference Value" . ● Handle mass air flow sensor carefully to avoid damage. ● Do not clean mass air flow sensor with any type of deter- ● Do not disassemble electric throttle control actuator. ● Even a slight leak in the air intake system can cause seri- ● Do not shock or jar the camshaft position sensor (PHASE), ● After performing each TROUBLE DIAGNOSIS, perform DTC ● When measuring ECM signals with a circuit tester, never ● Do not use ECM ground terminals when measuring input/ MEF040D SEF217U SEF348N |