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Home >> Mitsubishi >> 2003 >> Montero XLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0101: Volume Airflow Circuit Range/Performance Problem >> Circuit Operation

Circuit Operation

The volume airflow sensor power is supplied from the MFI relay (terminal No. 1), and the ground is provided on the PCM (terminal No. 88). A 5-volt reference voltage is applied to the volume airflow sensor output terminal (terminal No. 3) from the PCM (terminal No. 63). The volume airflow sensor generates a pulse signal when the output terminal and ground are opened/closed (opened/short).