If the deviation between the throttle position by TPS2 signal and the throttle position by ECM's model value is bigger than the threshold value under TPS1 error, ECM sets DTC P0221.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Plausibility check between | 1. Poor connection 2. TPS 3. ECM |
Enable Conditions |
•
IG "ON" | |
Threshold Value |
•
TPS value difference between TPS1 position and TPS2 position is higher then 9%. | |
Diagnostic Time |
•
0.28sec | |
MIL ON Condition |
•
5 sec |