| Case 1 |
Main Action |
- Controller malfunction check - failure of controller operation
|
- Poor connection or damaged harness
- Unstable Power
- Faulty ECM
|
| Prerequisite condition |
- Ignition switch is turned "ON".
- Battery voltage is between 11V and 16V.
|
| Threshold Value |
- Communication failure is detected.
- ASIC data checksum error is detected.
|
| Diagnosis Time |
|
| Case 2 |
Main Action |
|
| Prerequisite condition |
- Engine speed is higher than 32 rpm.
|
| Threshold Value |
- Integrity of knock sensor acquisition is not correct.
|
| Diagnosis Time |
|
| Case 3 |
Main Action |
- Check fuel injector driver boost voltage
|
| Prerequisite condition |
- Engine speed is higher than 32 rpm.
- Elapsed time after engine running is longer than 0.3 seconds.
|
| Threshold Value |
- Mean value of boost voltage is between 30V and 75V.
|
| Diagnosis Time |
|
| Case 4 |
Main Action |
- Check temperature of power stage port flap driver
|
| Prerequisite condition |
- Engine is running with speed higher than 32 rpm.
- Battery voltage is between 10V and 16V.
|
| Threshold Value |
- Power stage output for port flap is over temperature.
|
| Diagnosis Time |
|
| Case 5 |
Main Action |
- Check communication validity
|
| Prerequisite condition |
- Ignition switch is turned "ON".
|
| Threshold Value |
- Microcontroller communication error is detected.
|
| Diagnosis Time |
|
| MIL On Condition |
|