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Home >> Toyota >> 2008 >> Tacoma PreRunner, 2D Pickup >> Repair and Diagnosis >> Engine Performance >> Engine Control System (2TR-FE) >> SFI System >> DTC P0116 Engine Coolant Temperature Circuit Range / Performance Problem >> Typical Enabling Conditions

Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs not present P0100-P0103 (MAF meter)

Cold start monitor: 

TYPICAL ENABLING CONDITIONS

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 OK
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

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