DTC P0103 is set when it is detected that MAFS signal frequency is smaller than 1200Hz for 0.6 sec. It is retrieved that it is short to open in MAFS power circuit, open or short to ground in MAFS signal.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage monitoring | 1. MAFS circuit 2. MAFS | ||
Enable Conditions |
•
Engine running | |||
Threshold Value |
•
MAFS signal frequency is smaller than 1200Hz - Open in signal circuit. - Short to ground in signal circuit. | |||
Diagnostic Time |
•
0.6 sec. | |||
Fail Safe | Fuel cut | NO |
•
- | |
EGR Off | YES | |||
Fuel Limit | YES | |||
Check Lamp | ON | |||
