PCM sets DTC P0642 if the PCM detects reference voltage lower than threshold value.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical Monitoring | 1. Poor Connector Connection 2. Short to Ground in Power Supply Circuit 3. Defected APS 4. Defected MAP Sensor |
Enable Conditions |
•
Ignition Key "ON" | |
Threshold Value |
•
Power Supply Voltage for Pedal sensor 2 and MAP sensor lower than 0.7V
•
Power Supply Voltage for Pedal sensor 2 and MAP sensor higher than or equal to 0.7V and lower than 4.5V | |
Diagnostic Time |
•
Continuous | |
MIL ON Condition |
•
1 Driving Cycle |