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Home >> Infiniti >> 1994 >> J30 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Trouble Code (DTC) Testing (J30) >> DTC 12: Mass Airflow (MAF) Sensor >> 2) Check Input Signal Circuit
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2) Check Input Signal Circuit

Turn ignition off and disconnect ECM harness connector. Check continuity between MAF sensor connector terminal "e" (White wire) and ECM terminal No. 27. If continuity is present, go to next step. If continuity is not present, repair harness or connectors as necessary. See Figure , Figure and Figure .