If the measured temperature is higher than the maximum threshold value, the ECM sets DTC P0072.
(In this case, the input signal voltage is the minimum threshold vaue.)
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical check, SC to Gnd | 1. Poor connection 2. Short to ground in signal circuit 3. AATS |
Enable Conditions |
•
Ignition On | |
Threshold Value |
•
AAT > 135 °C/275 °F(0.11V) | |
Diagnostic Time |
•
Continuous | |
MIL ON Condition |
•
2 driving cycles |