PCM/ECM sets DTC P0270 if the PCM/ECM 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 |
Enable Conditions |
•
10V < Battery voltage <16V
•
Engine speed(rpm) >320 | |
Threshold Value |
•
Open or short to Ground in control circuit | |
Diagnostic Time |
•
1.5sec. | |
Mil On Condition |
•
2 Drive Cycles |
