P2138 is set when there is difference above the threshold value between APS1 and (APS2 * 2) for more than 0.24 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 |
•
When APS 1,2 is depressed 0~6%, APS1 - (APS2 * 2) > 347mV
•
When APS 1,2 is depressed above 7%, APS1 - (APS2 * 2) > 405mV | |||
Diagnostic Time |
•
240ms | |||
Fail Safe | Fuel Cut | NO |
•
APS standard value is 0%.
•
Limp home idle is fixed at (1200RPM) | |
EGR Off | NO | |||
Fuel Limit | YES | |||
MIL | YES | |||
