| DTC Strategy |
- Coolant temperature not reaching warm state
|
- Poor connector connection
- Faulty cooling system
- Open or short in ECT sensor signal circuit
- Faulty ECT sensor
- Faulty thermostat
|
| Enable Conditions |
- Normal battery voltage (11 ~ 16V)
- ECT at engine start is between -10°C (14°F) and 54.75°C (130.55°F)
- Engine RPM < 4800 RPM
- IAT > -10°C (14°F) at engine start
- IAT > -20°C (68°F) after engine "ON"
- Percentage of fuel cut off phase < 20%
- Percentage of low load phase < 50%
- Percentage of high vehicle speed phase < 90%
|
| Threshold Value |
- Coolant temperature signal lower than 84°C (183.2°F)
|
| Diagnostic Time |
- Less than 1200s at 25°C (77°F) ambient temperature
|
| MIL ON Condition |
|