PCM monitors output signals from APS 1 and 2, if the difference of output signals between APS 1 and 2 are detected more than 4.5%, the PCM sets a P2138 DTC.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
This code detects a correlation error between APS 1 and APS 2. | 1. Poor connection 2. Open or short in APS circuit 3. Faulty APS 4. Faulty PCM |
Enable Conditions |
•
Ignition "ON" | |
Threshold value |
•
Difference between APS1 and APS2 Normalized values greater than 4.5% | |
Diagnosis Time |
•
Continuous | |
MIL On Condition |
•
1 Driving Cycle |
