Contents Wiring diagrams Section: Cooling System (Mechanical) All sections

Engine Coolant (Service Specifications): Other Toyota Prius II

SERVICE DATA

Thermostat
Valve opening temperature80 to 84°C (176 to 183°F)
Valve liftAt 95°C (205°F)8.5 mm (0.335 in.) or more
Radiator cap sub-assy
Standard opening pressure74 to 103 kPa (0.75 to 1.05 kgf/cm 2 , 10.7 to 14.9 psi)
Minimum opening pressure59 kPa (0.6 kgf/cm 2 , 8.5 psi)
Cooling fan
Standard amperage9.2 to 11.0 A
Cooling fan relay
Specified conditionBetween terminals 3 and 510 kohms or higher
Between terminals 3 and 5Below 1 ohms (Apply battery voltage to terminals 1 and 2)
Cooling fan relay No.2
Specified conditionBetween terminals 3 and 4Below 1 ohms
Between terminals 3 and 510 kohms or higher
Between terminals 3 and 5Below 1 ohms (Apply battery voltage to terminals 1 and 2)
Integration relay
Specified conditionBetween terminals B1 and B410 kohms or higher
Between terminals B1 and B4Below 1 ohms (Apply battery voltage to terminals 1 and 2)

Cooling Service Data Specifications