A malfunction is detected by using a checksum technique for verifying data. The digital data is composed of zeros and ones. A checksum is the total of all ones in a string of data. By comparing the checksum value with a stored value, a malfunction can be.
ECM set P0219 code If Engine speed output value is higher than limitted value.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Check the Engine speed |
•
Connector
•
Engine oil inflow to combustion chamber
•
A rapid change of speed to low from high
•
Faulty ECM |
Enable Conditions |
•
Engine running | |
Threshold value |
•
RPM > 5500 | |
Diagnosis Time |
•
1 sec | |
MIL On Condition |
•
OFF |
