PCM sets DTC P0270 if the PCM detects that injector (Cylinder #4) control circuit is shorted to ground.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical check. | 1. Open in power supply harness 2. Short to ground in control harness 3. Poor connection or damaged harness 4. Faulty injector #4 |
Enable Conditions |
•
Engine speed is higher than 240rpm
•
Battery voltage is higher than 10.7V and lower than 16V | |
Threshold Value |
•
Short to Ground in control circuit | |
Diagnostic Time |
•
Continuous. | |
Mil On Condition |
•
3 driving cycles |
