CONTROL SYSTEM
01–40–35
01–40
Operation Conditions
End Of Sie
Function
Operation condition
Cooling fan
motor rotation
speed
Cooling fan relay
ECT
A/C
amplifier
(A/C switch)
Refrigerant
pressure
switch
(high, low)
Vehicle speed No.1 No.2 No.3
Regular-
driving cooling
Less than 100 °C
{212 °F}
OFF —
Stop OFF
ON
OFF
More than 70
km/h {44 mph}
45 —70 km/h
{28—43 mph}
Low ON OFF OFF
Less than 45
km/h {27 mph}
Middle ON OFF ON
ON — High ON
100—108 °C
{213—226.4 °F}
OFF
—
Middle ON OFF ON
ON
High ON
More than 108 °C
{227 °F}
—
After-cooling
• When all the following conditions are met:
— Ignition switch: OFF
— Estimated maximum engine coolant temperature is high after
engine stop
Low ON OFF OFF
• When all the following conditions are met:
— Estimated maximum engine coolant temperature is the
specified value or more even when operating at low rotation
speed.
Middle ON OFF ON
COOLING
FAN RELAY
NO.1
COOLING
FAN RELAY
NO.3
COOLING
FAN RELAY
NO.2
TO PCM TO PCM TO PCM
B+
E5U140ZN5855