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/PCM sets P2138.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Rationality check between APS1 and APS2 | 1. Poor connection 2. Open or short in APS circuit 3. Faulty APS 4. Faulty ECM/PCM |
Enable Conditions |
•
APS2 voltage > 0.408 | |
Threshold Value |
•
I (APS1/2) –APS2 I > Threshold f(Min[(APS1)/2, APS2]) | |
Diagnostic Time |
•
0.24 sec. | |
MIL On Condition |
•
1st Driving Cycle |
