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Home >> Toyota >> 2005 >> RAV4 Base, AWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine - Diagnostics >> Circuit Inspection >> DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem >> Typical Enabling Conditions
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Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS

The monitor will run whenever the following DTCs are not present P0100 to P0103: MAF meter

ECT Sensor Stuck at Low ECT: 

TYPICAL ENABLING CONDITIONS (ECT SENSOR STUCK AT LOW ECT)

Cumulative idle off period 250 sec. or more
Speed increase by 30 km/h (19 mph) or more 10 times or more
ECT 35 to 60°C (95 to 140°F)
IAT -6.7°C (20°F) or more

ECT Sensor Stuck at High ECT: 

TYPICAL ENABLING CONDITIONS (ECT SENSOR STUCK AT HIGH ECT)

ECT 60°C (140°F) or more
IAT -6.7°C (20°F) or more
"Stop and go"(1) Once or more
"Steady driving and stop"(2) Once or more
(1) Vehicle is stopped for 20 seconds or more and accelerated to more than 70 km/h (44 mph) within 40 seconds.
(2) Vehicle is driven by 65 km/h (40 mph) or more for 30 sec or more and the vehicle speed reaches 70 km/h (44 mph). The vehicle is decelerated from 65 km/h (40 mph) to 3 km/h (2 mph) or less within 35 seconds and stopped for 10 seconds.
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