ECM/PCM sets DTC P0642 if the ECM/PCM detects reference voltage lower than threshold value.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical check | 1. Sensor power supply A circuit 2. ECM/PCM component |
Enable Conditions |
•
- | |
Threshold Value |
•
- | |
Diagnostic Time |
•
Continuous | |
MIL ON Condition |
•
2 Driving Cycle |