ES 330 V6-3.3L (3MZ-FE) (2004)
Radiator Cooling Fan Motor: Testing and Inspection
On-Vehicle Inspection
COOLING FAN SYSTEM
ON-VEHICLE INSPECTION
1. CHECK COOLING FAN OPERATION AT LOW TEMPERATURE (Below 83°C (181°F))
a. Turn the ignition switch ON.
b. Check that the fan and fan No. 2 stops.
If not, check the cooling fan relays and temperature detect switches.
c. Disconnect the temperature detect switch connector.
d. Connect the terminals of the temperature detect switch wire connector.
e. Check that the fan rotates at high speed.
If not, check the cooling fan relay and fan.
f.
Reconnect the temperature detect switch connector.
g. Disconnect the temperature detect switch No. 2 connector.
h. Ground the terminal on the temperature detect switch No. 2 wire harness side connector.