Typical Enabling Conditions
Potentiometer detection
TYPICAL ENABLING CONDITIONS
| The monitor will run whenever the following DTCs are not present | None |
| Coolant heat storage system malfunction | Not detected |
| Battery voltage | 10 V or more |
| Engine coolant temperature | 0°C (32°F) or more |
| Water valve operation | Commanded |
| Response time of valve movement | Time under calculation with valve position |
Tank outlet coolant temperature detection
TYPICAL ENABLING CONDITIONS
| The monitor will run whenever the following DTCs are not present | None |
| Coolant heat storage system malfunction | Not detected |
| Battery voltage | 10 V or more |
| System status | During recovering |
| CHS tank outlet temperature difference between preheating start and engine start | 20°C (36°F) or more |
| Difference between engine coolant temperature and CHS tank outlet temperature | More than 30°C (54°F) |