| Case 1 |
Main Action |
|
- Poor connection or damaged harness
- Unstable Power
- Faulty ECM
|
| Prerequisite Condition |
- Engine is running with speed over 32 RPM.
- Elapsed time since engine is running is longer than 0.3 seconds.
|
| Threshold value |
- Mean value of fuel injector driver boost voltage is lower than 50V and higher than 75V.
|
| Diagnosis Time |
|
| Case 2 |
Main Action |
- Check injector driver performance
|
| Prerequisite Condition |
- Engine speed is higher than 32 RPM.
|
| Threshold value |
- Failures are detected as follows;
- SPI bus communication error
- ATIC 124 disabled
- Synchronization signal missing from micro computer.
|
| Diagnosis Time |
(10 revolutions by repeated 2 revolutions) |
| MIL On Condition |
|