P2123 is set when output voltage of APS 1 is above the maximum value of 4.74V for more than 0.25 sec. This code is due to the short to battery in APS 1 power circuit and signal circuit or open in sensor ground circuit.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage Monitoring |
•
APS 1 Circuit
•
APS component | ||
Enable Conditions |
•
IG KEY "ON" | |||
Threshold Value |
•
When output signal is above the maximum value (above 474mV) | |||
Diagnostic Time |
•
250ms | |||
Fail Safe | Fuel Cut | NO | ||
EGR Off | NO | |||
Fuel Limit | YES | |||
MIL | YES | |||
