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Infiniti
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2003
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FX45
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0102: Mass Air Flow Sensor Circuit Low Input Or DTC P0103: Mass Air Flow Sensor Circuit High Input
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DTC Confirmation Test (DTC P0102)
DTC Confirmation Test (DTC P0102)
Turn ignition switch on. Select DATA MONITOR.
Start engine and wait at least 5 seconds. If DTC is detected, go to
DIAGNOSTIC PROCEDURE
. If DTC is not detected, system is okay at this time.