Injectors jet out high pressure fuel caculated by ECM to each cyliders. Direct and separated injections improve fuel efficiency and engine power.
If there is Open in injector #3 circuit, ECM sets DTC P0203.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Circuit continuity check, open | 1. Poor connection 2. Open in control circuit 3. Injector |
Enable Conditions |
•
Engine speed >240
•
Battery voltage = 10.7~16V | |
Threshold Value |
•
Circuit open | |
Diagnostic Time |
•
4 sec. | |
MIL ON Condition |
•
3 driving cycle |
Coil Resistance (Ω) | Temp (℃) | Temp (℉) |
1.25 | 20 | 68 |
Fig.1) Normal waveform of ING at idle.
