Monitor Description

If there is a defect in the mass air flow meter sub-assembly or an open or short circuit, the voltage level deviates from the normal operating range. The hybrid vehicle control ECU interprets this deviation as a malfunction in the mass air flow meter sub-assembly circuit and sets a DTC.

Example:

When the sensor output voltage remains less than 0.2 V, or more than 4.9 V, for more than 3 seconds, the hybrid vehicle control ECU sets a DTC.