0C-4 Service Data:
Thermostat + Radiator + Fan + Coolant
Injector + Fuel Pump + Fuel Pressure Regulator
Item Standard/Specification Note
Thermostat valve opening
temperature
Approx. 82 °C (180 °F) —
Thermostat valve lift Over 8 mm (0.31 in) and at 95 °C (203 °F) —
ECT sensor resistance
20 °C
(68 °F)
Approx. 2.45 kΩ —
50 °C
(122 °F)
Approx. 0.811 kΩ —
80 °C
(176 °F)
Approx. 0.318 kΩ —
110 °C
(230 °F)
Approx. 0.142 kΩ —
Radiator cap valve opening
pressure
93 – 123 kPa (0.93 – 1.23 kgf/cm
2
, 13.2 – 17.5 psi) —
Cooling fan operating temperature
OFF → ON Approx. 105 °C (221 °F) —
ON → OFF Approx. 100 °C (212 °F) —
Engine coolant type
Use an anti-freeze/coolant compatible with aluminum
radiator, mixed with distilled water only, at the ratio of 50:50.
—
Engine coolant including reserve
Reserve tank
side
Approx. 250 ml (0.3/0.2 US/lmp qt) —
Engine side Approx. 2 700 ml (2.9/2.4 US/lmp qt) —
Item Specification Note
Injector resistance 11 – 13 Ω at 20 °C (68 °F)
Fuel pump discharge amount 220 ml (7.4/7.7 US/lmp oz) and more/10 sec.
Fuel pressure regulator operating
set pressure
Approx. 300 kPa (3.0 kgf/cm
2
, 43 psi)