| DTC Strategy |
- Thermostat open stuck monitor (time to reach threshold temperature)
|
- Poor connector connection
- Faulty thermostat
|
| Enable Conditions |
- AAT is greater than -7°C (19.4°F)
- ECT at start is between -7 and 51.6°C (19.4 and 124.9°F)
- Difference between IAT at start and IAT (garage effect) is less than 5° C (41°F)
- Portion of low speed driving time is less than 40 to 55% at 32.2km/h (20mph)
- Portion of idle time is less than 50%
- When model ECT is greater than 91°C (195.8°F) for 3 to 15minutes depending on driving pattern
|
| Threshold Value |
- Actual ECT is less than 71°C (159.8°F)
|
| Diagnostic Time |
- 0.05s (once per driving cycle)
|
| MIL ON Condition |
|