If output signal difference between APS 1 and APS 2 is detected more than 4.5%, ECM sets DTC P2138 and turns the MIL on.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Synchronization of signal monitoring | 1. Poor connector connection 2. Short or open in signal circuit 3. Faulty APS 4. Faulty ECM |
Enable Condition |
•
Ignition switch "ON" | |
Threshold Value |
•
Deviation of APS1 voltage *0.5 - APS2 voltage is at between 0.092V - 0.111V | |
Diagnosis Time |
•
0.16 sec. | |
MIL ON Condition |
•
5 sec. |