Checking output signals from APS 1 and 2 under detecting condition, if output signals difference between APS 1 and 2 are detected more than 4.5% for the specified number of times., ECM sets P2138.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Plausibility check between pedal value sensor 1, 2 | 1. Poor connection 2. Open or short in APS circuit 3. Faulty APS 4. Faulty ECM |
Enable Conditions |
•
After Eng. Start | |
Threshold Value |
•
When the signal value of APS1-APS2 is greater than or equal to threshold | |
Diagnostic Time |
•
0.24 sec. | |
MIL ON Condition |
•
5 sec |
