Mazda CX-9 2007 - Page 65

COOLING SYSTEM [MZI-3.5]
01-12–9
01-12
With Towing Package
Fail-safe function
1. Over-current fail-safe
— If current to the fan motor exceeds the specified value, the cooling fan motor stops running for a specified
period of time.
2. Over-heat fail-safe
— If the internal temperature of the fan control module exceeds a specified temperature, the cooling fan motor
stops running. (Without Towing Package)
— If the internal temperature of the fan control module exceeds a specified temperature, the cooling fan motor
starts running at high speed. If the temperature continues to increase and exceeds a specified temperature,
the cooling fan motor stops running. (With Towing Package)
3. Input signal open circuit fail-safe
— If there is an open circuit in the wiring harness between the PCM and fan control module, the cooling fan
motor runs at high speed.
End Of Sie
PCM
COOLING
FAN RELAY
NO.1
COOLING
FAN RELAY
NO.2
IGNITION SWITCH
BATTERY
COOLING FAN ELECTRICAL SYSTEM WIRING DIAGRAM
COOLING FAN
MOTOR NO.1
FAN CONTROL
MODULE NO.1
M
COOLING FAN
MOTOR NO.2
FAN CONTROL
MODULE NO.2
M
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