P0101 is set 1) when mass air flow sensor or intake air temperature senser is short to battery or ground or 2) short to battery or ground in MAFS or IATS signal circuit is detected or 3) short to low or high voltage line in IATS signal circuit is detected.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage monitoring | 1. AFS circuit 2. AFS | ||
Enable Conditions |
•
Engine running | |||
Threshold Value |
•
Short to battery in MAFS or ITAS circuit. - 7000ms
•
Short to ground in MAFS or ITAS circuit. - 7000ms
•
Short to battery in ITAS circuit. - 600ms
•
Short to ground in ITAS circuit. - 600ms | |||
Fail Safe | Fuel cut | NO |
•
- | |
EGR Off | YES | |||
Fuel Limit | YES | |||
Check Lamp | OFF |