| DTC Strategy |
Case 1 |
- IC diagnosis of evaluation IC (CJ125) for linear upstream O2 sensor check
|
- Poor connection
- ECM/PCM
|
| Case 2 |
- Diagnosis of power supply module (CY320) check
|
| Case 3 |
- IC diagnosis of IC (CY202) for fuel volume control module check
|
| Enable Conditions |
|
| Threshold Value |
Case 1 |
- Operating voltage at CJ125 too small
- Write error at INIT register of CJ125
- Communication error of SPI interfaces to CJ125
|
| Case 2 |
- SPI communication error of CY320
|
| Case 3 |
- Internal error with SPI communication to CY202
|
| Diagnostic Time |
|
| MIL ON Condition |
|