Typical Malfunction Thresholds
WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.
Mass Air Flow Meter Rationality (High Voltage):
TYPICAL MALFUNCTION THRESHOLDS CHART
| Mass air flow meter voltage | More than 2.2 V (varies with throttle position sensor voltage) |
Mass Air Flow Meter Rationality (Low Voltage):
TYPICAL MALFUNCTION THRESHOLDS CHART
| Mass air flow meter voltage | Less than 0.7 V (varies with throttle position sensor voltage) |