Typical Enabling Conditions

WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.

Engine Coolant Temperature Sensor Output Stuck at Low Engine Coolant Temperature:

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not present	P0100 to P0103: Mass air flow meter
Cumulative idle off period	250 seconds or more
Speed increase by 18.6 mph (30km/h) or more	10 times or more
Engine coolant temperature at engine start	35 to 60°C (95 to 140°F)
Intake air temperature after engine start	-6.7°C (20°F) or more

Engine Coolant Temperature Sensor Output Stuck at High Engine Coolant Temperature:

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not present

P0100 to P0103: Mass air flow meter

Engine coolant temperature at engine start

60°C (140°F) or more

Intake air temperature after engine start

-6.7°C (20°F) or more

Stop and go⁽¹⁾

Once or more

Steady driving and stop⁽²⁾

Once or more

Engine running time after engine start

0.3 seconds or more

⁽¹⁾	The vehicle is stopped for 20 seconds or more and accelerated to more than 43.5 mph (70 km/h) within 40 seconds.

⁽²⁾	Following these steps: 1) the vehicle is driven at 40.4 mph (65 km/h) or more for 30 seconds or more and the vehicle speed reaches 43.5 mph (70 km/h); 2) the vehicle is decelerated from 40.4 mph (65 km/h) to 1.86 mph (3 km/h) or less within 35 seconds; and 3) the vehicle is stopped for 10 seconds.