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Engine Cooling System (Service Specifications) (Base): Other Toyota Prius Plug-in

SERVICE DATA

ConditionRod Operation
Cold (below approx. 71°C (160°F)) --> Warmed up (approx. 80°C (176°F) or more)Rod gradually extends as the temperature rises.

EXHAUST HEAT RECIRCULATION SYSTEM

ConditionSpecified Condition
Approximately 20°C (68°F)2.32 to 2.59 kohms
Approximately 80°C (176°F)0.310 to 0.326 kohms

TEMPERATURE SWITCH

ConditionSpecified Condition
Standard valve opening temperature80 to 84°C (176 to 183°F)
Standard valve lift10 to 14 mm (0.394 to 0.551 in.) at 95°C (203°F)

THERMOSTAT

ItemConditionSpecified Condition
Cooling fan motorAt 20°C (68°F)4.7 to 8.7 A at 12 V
No. 2 Cooling fan motorAt 20°C (68°F)4.7 to 8.7 A at 12 V

COOLING FAN MOTOR

Tester ConnectionConditionSpecified Condition
3 - 5Battery voltage is not applied between terminals 1 and 210 kohms or higher
3 - 5Battery voltage is applied between terminals 1 and 2Below 1 ohms

COOLING FAN RELAY

Tester ConnectionConditionSpecified Condition
3 - 4Battery voltage is not applied between terminals 1 and 2Below 1 ohms
3 - 4Battery voltage is applied between terminals 1 and 210 kohms or higher
3 - 5Battery voltage is not applied between terminals 1 and 210 kohms or higher
3 - 5Battery voltage is applied between terminals 1 and 2Below 1 ohms

NO. 2 COOLING FAN RELAY

Tester ConnectionConditionSpecified Condition
3 - 5Battery voltage is not applied between terminals 1 and 210 kohms or higher
3 - 5Battery voltage is applied between terminals 1 and 2Below 1 ohms

NO. 3 COOLING FAN RELAY

ItemTester ConnectionSpecified Condition
Radiator reservoir capFor brand-new cap94 to 122 kPa (1.0 to 1.2 kgf/cm 2 , 13.5 to 17 psi)
For using cap79 kPa (0.8 kgf/cm 2 , 11.4 psi)

RESERVE TANK CAP