Contents Section: Cooling System (mechanical) All sections

Cooling System [service Specifications] Toyota Prius V I

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 motor20°C (68°F) at 12 V7.4 to 11.4 A
No. 2 Cooling fan motor20°C (68°F) at 12 V4.7 to 8.7 A

COOLING FAN MOTOR

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

COOLING FAN RELAY

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

NO. 2 COOLING FAN RELAY

Tester ConnectionConditionSpecified Condition
3 - 5Auxiliary battery voltage is not applied between terminals 1 and 210 kohms or higher
3 - 5Auxiliary battery 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)
After using cap79 kPa (0.8 kgf/cm 2 , 11.4 psi)

RESERVE TANK CAP

TORQUE SPECIFICATIONS

Part TightenedN*mKgf*cmFt.*lbf
Engine water pump assembly x Chain coverFor bolt A2626019
For bolt B2121415

WATER PUMP

Part TightenedN*mKgf*cmFt.*lbf
Engine coolant temperature sensor x heater pipe8.08271 in.*lbf

TEMPERATURE SWITCH

Part TightenedN*mKgf*cmFt.*lbf
Water inlet with thermostat sub-assembly x Chain cover101027

THERMOSTAT

Part TightenedN*mKgf*cmFt.*lbf
Exhaust pipe gas control actuator case x exhaust pipeFor bolt A5.05144 in.*lbf
For bolt B8.58775 in.*lbf

EXHAUST PIPE GAS CONTROL ACTUATOR

Part TightenedN*mKgf*cmFt.*lbf
Fan x Cooling fan motor6.36456 in.*lbf
No. 2 Fan x No. 2 Cooling fan motor6.36456 in.*lbf
Cooling fan motor x Fan shroud3.94035 in.*lbf
No. 2 Cooling fan motor x Fan shroud3.94035 in.*lbf

COOLING FAN MOTOR

Part TightenedN*mKgf*cmFt.*lbf
Fan shroud x Radiator assembly7.07162 in.*lbf
No. 2 fan shroud x Radiator assembly7.07162 in.*lbf
Hood lock support sub-assembly x Body1313310
Radiator support RH and LH x Upper radiator support1919414

RADIATOR