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Home >> Toyota >> 2010 >> Matrix Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control (SFI) System (2ZR-FE) (Diagnostic Codes (P0010-P043E)) >> SFI System >> 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

Monitor runs whenever following DTCs not present None
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 or more
Accumulated mass air flow 825 g or more (Manual transaxle), 1422 g or more (Automatic transaxle)
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

Monitor runs whenever following DTCs not present None
Battery voltage 10.5 V or more
Engine Running
Soak time 5 hours or more
Either (a) or (b) condition met -
(a) Engine coolant temperature 60°C (140°F) or more
(b) Accumulated mass air flow 1661 g or more (Manual transaxle), 3185 g or more (Automatic transaxle)