If there is a short to battery in injector #4 circuit, the ECM/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 |
•
10V < Battery voltage < 16V
•
Engine speed > 320rpm | |
Threshold Value |
•
ECU power stage diagnosis | |
Diagnostic Time |
•
Continuous. | |
Mil On Condition |
•
2 driving cycles. |
