Checking output signals from APS 1 under detecting condition, if output signals are above the threshold, ECM sets P2123.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Signal check, high | 1. Poor connection 2. Short to battery in signal circuit 3. Open in ground circuit 4. Faulty APS 5. Faulty ECM |
Enable Conditions |
•
IG "ON" | |
Threshold Value |
•
APS1 voltage is higher than 4.8V | |
Diagnostic Time |
•
0.14 sec | |
MIL ON Condition |
•
5 sec |