When Monitored
This diagnostic runs when the following conditions are met:
- At initial start up after an engine off time of greater than 480 minutes.
- Ambient temperature between 0°C and 30°C (86°F).
- Engine speed between 1000 - 3000 rpm.
- There are no active or pending circuit faults for the HT Coolant Control Valve or any other temperature sensors.
- The HT Coolant Control Valve has been commanded on.