LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2019 >> GX 460 Luxury >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes) (1 Of 7) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem [08/2015 - ] >> Typical Enabling Conditions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Enabling Conditions

ENGINE COOLANT TEMPERATURE SENSOR COLD START MONITOR

Monitor runs whenever following DTCs not present P0112, P0113 (Intake air temperature sensor)
P0115, P0117, P0118 (Engine coolant temperature sensor)
P0125 (Insufficient coolant temperature for closed loop fuel control)
P0128 (Thermostat)
Battery voltage 10.5 V or higher
Time after engine start 1 second or more
Engine coolant temperature at engine start Below 60°C (140°F)
Soak time 0 seconds or more
Accumulated mass air flow 9341 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

Monitor runs whenever following DTCs not present P0115, P0117, P0118 (Engine coolant temperature sensor)
P0125 (Insufficient coolant temperature for closed loop fuel control)
P0128 (Thermostat)
P2610 (Soak timer)
Battery voltage 10.5 V or higher
Engine Running
Soak time 5 hours or more
Either condition (a) or (b) met -
(a) Engine coolant temperature 60°C (140°F) or higher
(b) Accumulated mass air flow 18682 g or more