Home/Lexus/GS/Lexus GS IV (2011-2015)/Repair manual/Cooling Fan/Engine Cooling System (Service Specifications): Other
Contents Wiring diagrams Section: Cooling Fan All sections

Engine Cooling System (Service Specifications): Other Lexus GS IV

SERVICE DATA [03/2012 - ]

ItemSpecified Condition
Valve opening temperature80 to 84°C (176 to 183°F)
Valve lift8.0 mm (0.315 in.) or more at 95°C (203°F)

WATER INLET WITH THERMOSTAT

ItemConditionSpecified Condition
Cooling fan motorWhen the battery is connected to the fan motor connector4.5 to 10.5 A at 20°C (68°F)
No. 2 cooling fan motorWhen the battery is connected to the No. 2 fan motor connector4.5 to 10.5 A at 20°C (68°F)

COOLING FAN MOTOR

ConditionSpecified Condition
Standard valve (for brand-new cap)94 to 122 kPa (1.0 to 1.2 kgf/cm 2 , 13.6 to 17.7 psi)
Minimum standard valve (for used cap)79 kPa (0.8 kgf/cm 2 , 11.4 psi)

RESERVOIR TANK CAP

ItemTester ConnectionSpecified Condition
Fan No. 1 relay3 - 510 kohms or higher (Battery voltage is not applied between terminals 1 and 2)
3 - 5Below 1 ohms (Battery voltage is applied between terminals 1 and 2)

COOLING FAN RELAY