LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2009 >> Prius Base >> Repair and Diagnosis >> General Information >> OEM General Information >> Service Specifications >> 1NZ-FXE Engine Cooling System >> Service Data
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Service Data

SERVICE DATA REFERENCE CHART

Thermostat Valve opening temperature 80 to 84°C (176 to 183°F)
Valve lift at 95°C (203°F) 8.5 mm (0.33 in.) or more
Radiator cap Standard opening pressure 74 to 103 kPa (0.75 to 1.05 kgf*cm2 , 10.7 to 14.9 psi)
Minimum opening pressure 59 kPa (0.6 kgf*cm2 , 8.5 psi)
Fan Standard amperage at 20°C (68°F) 9.2 to 11.0 A
Integration relay Resistance B1-B4 10 kΩ or higher
Below 1 Ω (when battery voltage is applied to terminals 2 and 3)
No. 1 Cooling fan relay Resistance 3 - 5 10 kΩ or higher
3 - 5 Below 1 Ω (when battery voltage is applied to terminals 1 and 2)
No. 2 cooling fan relay Resistance 3 - 4 Below 1 Ω
3 - 5 10 kΩ or higher
3 - 4 10 kΩ or higher (when battery voltage is applied to terminals 1 and 2)
3 - 5 Below 1 Ω (when battery voltage is applied to terminals 1 and 2)