If there is a short to battery in injector #4 circuit, the PCM sets DTC P0271.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical check. | 1. Poor connection 2. Short to battery in control circuit 3. Injector #4 |
Enable Conditions |
•
Engine speed is higher than 240rpm
•
Battery voltage is higher than 10.7V and lower than 16V | |
Threshold Value |
•
Circuit short to battery | |
Diagnostic Time |
•
Continuous. | |
Mil On Condition |
•
3 driving cycles |
