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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - SFI System Diagnostics (1 Of 4) >> DTC P0116 Engine Coolant Temperature Circuit Range / Performance Problem >> Typical Enabling Conditions
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Typical Enabling Conditions

Engine Coolant Temperature Sensor Cold Start Monitor 

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not present P0101, P0102, P0103 Mass air flow meter
Battery voltage 10 5 V or more
Time after engine start 1 second or more
Engine coolant temperature at engine start Less than 60°C (140°F)
Intake air temperature sensor circuit OK
Soak time 0 second or more
Accumulated mass air flow 2080 g or more
Fuel cut OFF
Difference between engine coolant temperature at engine start and intake air temperature Less than 40°C (72°F)

Engine Coolant Temperature Sensor Soak Monitor 

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not present P0101, P0102, P0103 Mass air flow meter
Battery voltage 10 5 V or more
Engine Running
Soak time 5 hours or more
Either (a) or (b) conditions is met -
(a) Engine coolant temperature 60°C (140°F) or more
(b) Accumulated mass air flow 4009 g or more