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Home >> Lexus >> 2009 >> SC 430 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010 - P0340)) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem >> Typical Enabling Conditions

Typical Enabling Conditions

Monitor will run whenever these DTCs are not present P0110, P0112, P0113 (Intake Air Temperature Sensor)
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)
Soak time 0 seconds or more
Accumulated MAF 1,610 g (56.8 oz.) 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
When either condition below is met -
- ECT at engine start 60°C (140°F) or more
- Accumulated MAF 2,749 g (97 oz.) or more