P0101 is set 1) when Air mass ratio(real/threshold) above 1.5 or below 0.85 is detected for more than 7 sec. or 2) short to battery or ground in MAFS or IATS signal circuit is detected for more than 0.58 sec. or 3) short to low or high voltage line in IATS signal circuit is detected for more than 0.6 sec.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage monitoring |
•
MAFS circuit
•
MAFS component | ||
Enable Conditions |
•
Engine running | |||
Threshold Value |
•
Air mass ratio(real/threshold) above 1.5 or below 0.85 - 7 sec.
•
Short to low or high voltage line in IATS signal circuit - 0.6 sec.
•
Shrot to battery or ground in MAFS or IATS circuit - 0.58 sec. | |||
Diagnostic Time |
•
Refer to threshold Value | |||
Fail Safe | Fuel cut | NO | ||
EGR Off | YES | |||
Fuel Limit | YES | |||
Check Lamp | YES | |||
