Radiator Cooling Fan: Description and Operation

RDI FAN NO.1 RELAY
4-3: Closed with the Ignition SW at ON position and A/C single pressure SW open

RDI FAN NO.2 RELAY
4-3: Closed with the Ignition SW at ON position and Engine Coolant Temp. SW open

A 3 A/C SINGLE PRESSURE SW
2-3: Open above approx. 1519 kPa (220 psi, 15.5 kg/cm2)
Closed below approx. 1225 kPa (178 psi, 12.5 kg/cm2)

E 5 ENGINE COOLANT TEMP. SW
2-1: Open above approx. 90°C (194°F)
Closed below approx. 83°C (181.4°F)