LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2010 >> FJ Cruiser 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostic Codes (P0010-P0339) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem >> Typical Enabling Conditions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Enabling Conditions

ECT SENSOR COLD START MONITOR

Monitor runs whenever following DTCs not stored None
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 (P0112, P0113) Not detected
ECT sensor circuit fail (P0115, P0117, P0118, P0125) Not detected
Soak time 0 seconds or more
Accumulated MAF 3480 g or more
Fuel cut OFF
Difference between ECT at engine start and IAT Less than 40 °C (72 °F)
ECT SENSOR SOAK MONITOR:

Monitor runs whenever following DTCs not stored None
Battery voltage 10.5 V or more
Engine Running
IAT sensor circuit fail (P0112, P0113) Not detected
ECT sensor circuit fail (P0115, P0117, P0118, P0125) Not detected
Soak time 5 hours or more
Either (a) or (b) condition met -
(a) ECT 60 °C (140 °F) or more
(b) Accumulated MAF 7836 g or more