If output signal voltage of MAFS is less than 0.2V (below 1200Hz) for more than 1 sec., ECM sets DTC P010300. This fault might be caused by open in power circuit or open/short to ground in signal circuit of MAFS.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Voltage Monitoring | 1. Open in power circuit of MAFS 2. Open or short to ground in signal circuit of MAFS 3. Defected MAFS | |
Enable Condition |
•
Engine running | ||
Threshold Value |
•
Output signal is under minimum value(Below 1200Hz) | ||
Detecting Time |
•
1sec | ||
Fail Safe | Engine Off |
•
No | |
EGR Off |
•
Yes | ||
Torque Limit |
•
Yes | ||
MIL |
•
On |