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 | 1. Connector 2. Engine oil inflow to combustion chamber 3. A rapid change of speed to low from high. 4. Faulty ECM |
Enable Conditions |
•
Engine running | |
Threshold value |
•
rpm > 5500 | |
Diagnosis Time |
•
1 sec | |
MIL On Condition |
•
OFF |
