PCM monitors output signals from TPS 1 and 2. If output signals differ between TPS1 and TPS2 by more than 8% for one drive cycle, the PCM sets a P0221DTC.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Determines if TPS#1 disagrees with TPS#2 | 1. Poor Connection 2. Open or short in TPS circuit 3. Faulty TPS 4. Faulty PCM |
Enable Conditions |
•
Ignition "ON" | |
Threshold value |
•
Difference between average values of TPS1 and TPS2 greater than 8% | |
Diagnosis Time |
•
Continuous | |
MIL On Condition |
•
1 Driving Cycle |
