If the deviation between the throttle position by TPS2 signal and the throttle position by PCM's model value is bigger than the threshold value under TPS1 error, the PCM sets DTC P0221.
Item | Detecting Condition | Possible Cause | |
Case 1 | DTC Strategy |
•
Rationality check between TPS1 and TPS2. | 1. Poor connection 2. TPS 3. PCM 4. Obstruction in the throttle plate movement 5. Throttle body |
Enable Conditions |
•
Engine Speed greater than 320 rpm | ||
Threshold Value |
•
Absolute value of difference of TPS1 position and TPS2 position greater than 6.3 %~12.2 % | ||
Diagnostic Time |
•
0.28 sec. | ||
Case 2 | DTC Strategy |
•
If different, check between TPS2 and Model TPS | |
Enable Conditions |
•
Engine Speed greater than 320 rpm | ||
Threshold Value |
•
Absolute value of difference of TPS2 position and Model TPS(if TPS1 error) greater than 9% | ||
Diagnostic Time |
•
0.28 sec. | ||
MIL ON Condition |
•
1 Driving cycle | ||
