Typical Malfunction Thresholds
C0597 (CASE 1)
| Either of the following conditions is met | - |
| EEPROM write | Failure |
| EEPROM read | Failure |
C0597 (CASE 2)
| Either of the following conditions is met | - |
| Serial communication with low side IC | Invalid |
| Serial communication with high side IC | Invalid |
C0597 (CASE 3)
| CPU function | Irregularity |
C0597 (CASE 4)
| IC function | Irregularity |