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Home >> Infiniti >> 2003 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0101: Mass Airflow Sensor Circuit Range/Performance Problem >> DTC Confirmation Test "A"

DTC Confirmation Test "A"

NOTE: Perform DTC Confirmation Test "A" first. If 1st trip DTC cannot be confirmed, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.

Turn ignition on. Select DATA MONITOR mode with scan tool. Start engine and warm to normal operating temperature. Run engine for at least 10 seconds at idle speed. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  . If 1st trip DTC is not detected, turn ignition off, wait at least 10 seconds and go to appropriate DTC CONFIRMATION TEST "B".

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