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Home >> Toyota >> 2009 >> Tundra Base, 4.0 U >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Control System (2TR-FE)) >> SFI System >> DTC P0116 Engine Coolant Temperature Circuit Range/Performance Problem >> Typical Enabling Conditions
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Typical Enabling Conditions

WARNING: This page is about a different car, the 2009 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not present None

Cold start monitor: 

TYPICAL ENABLING CONDITIONS CHART

Battery voltage 10.5 V or more
Time after engine start 1 second or more
ECT at engine start Less than 60°C (140°F)
IAT sensor circuit fail (P0110, P0112, P0113) Not detected
Soak time 0 seconds or more
Accumulated MAF 1589 g or more
Fuel cut OFF
Difference between ECT at engine start and IAT Less than 40°C (72°F)

Soak monitor: 

TYPICAL ENABLING CONDITIONS CHART

Battery voltage 10.5 V or more
Engine Running
Soak time 5 hours or more
ECT 60°C (140°F) or more
Accumulated MAF 3440 g or more