| Case 1 |
DTC Strategy |
- Erratic high pressure sensor output voltage.
|
- Poor connection
- FRPS
- Abnormal fuel pressure
- Low or no fuel
|
| Enable Conditions |
- FRPS output voltage between 0.20 - 4.85V
|
| Threshold Value |
- Sensor output voltage jump time less than 0.06 seconds.
|
| Diagnostic Time |
|
| Case 2 |
DTC Strategy |
- Rationality check negative offset
|
| Enable Conditions |
- Multiplicative Long Term Fuel Trim (LTFT) less than 0.8%
- Adaptive Long Term Fuel Trim (LTFT) less than -6.0%
- Ignition ON: Before engine start
|
| Threshold Value |
- Fuel rail pressure less than 0.13Mpa (1.3 bar/18.85psi)
|
| Diagnostic Time |
|
| Case 3 |
DTC Strategy |
- Rationality check positive offset
|
| Enable Conditions |
- Multiplicative Long Term Fuel Trim (LTFT) greater than 1.2%
- Adaptive Long Term Fuel Trim (LTFT) greater than 6.0%
- Soak time greater than 4 hours.
- Ignition ON: Before engine start
|
| Threshold Value |
- Fuel rail pressure greater than 1.3Mpa (13bar/188.54psi)
|
| Diagnostic Time |
|
| MIL ON Condition |
|