P2138 is set when there is difference above the threshold value between APS1 and (APS2 * 2) for more than 0.25 sec..
Careful inspection of poor connection between APS 1 and APS 2, resistance characteristic of APS component is needed.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage Monitoring |
•
APS 1 Circuit
•
APS 2 Circuit
•
APS component | ||
Enable Conditions |
•
IG KEY "ON"(APS depressed) | |||
Threshold Value |
•
Output value of APS1 & APS2 is out of available range | |||
Diagnostic Time |
•
250ms | |||
Fail Safe | Fuel Cut | NO | ||
EGR Off | NO | |||
Fuel Limit | YES | |||
MIL | YES | |||
