Typical Malfunction Thresholds
C0597 (CASE 1)
| Booster circuit voltage drop signal | On |
C0597 (CASE 2)
| Either of the following conditions is met | - |
| Solenoid load open/short to ground signal | Off |
| Solenoid load leakage signal | Off |
| Solenoid overcurrent signal | Off |
| Solenoid freewheeling terminal disconnection signal | Off |
| Solenoid driver overtemperature signal | Off |
| Solenoid GND terminal disconnection signal | Off |
| ASIC ERRIN malfunction | Not detected |
| Power supply voltage for solenoid | Higher than 1.3 V |
C0597 (CASE 3 AND 4)
| Either of the following conditions is met | - |
| Solenoid load open/short to ground signal | On |
| Solenoid load leakage signal | Off |
| Solenoid overcurrent signal | Off |
| Solenoid freewheeling terminal disconnection signal | Off |
| Solenoid driver overtemperature signal | Off |
| Solenoid GND terminal disconnection signal | Off |
| Solenoid current | 0.1 A or more |
C0597 (CASE 5)
| ASIC_Q&A malfunction | Not detected |
C12F6
| Divide SFRH current monitor value by SFLH current monitor value | Higher than 2.08, or less than 0.48 |
C12F7
| Divide SRRH current monitor value by SRLH current monitor value | Higher than 2.08, or less than 0.48 |
C13BF
| Divide SM1 current monitor value by SM2 current monitor value | Higher than 2.08, or less than 0.48 |