PCM sets DTC P0643 if the PCM detects reference voltage higher than threshold value.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical Monitoring | 1. Poor Connector Connection 2. Short to Battery 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 higher than 5.5V | |
Diagnostic Time |
•
Continuous | |
MIL ON Condition |
•
1 Driving Cycle |
