Mazda CX-5 Service & Repair Manual: Cooling Fan Relay
Purpose, Function
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The cooling fan relay operates by receiving the signal from the PCM to supply power to the cooling fan motor.
Construction
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The cooling fan relay is installed on the relay and fuse block.
Operation
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The contact point is on when the battery voltage is supplied to the coil based on the signal from the PCM, and the battery voltage is supplied to the cooling fan motor.
Fail-safe
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Function not equipped.
Water Pump
Purpose, Function
The water pump operates by obtaining drive force from the engine via the
drive belt to pump engine coolant.
Construction
The water pump is installed to the eng ...
Thermostat Inspection
1. Remove the thermostat..
2. Visually check that the thermostat valve is closed.
3. Place the thermostat in water.
WARNING:
During inspection, the thermostat and water are extremely hot ...
Other materials:
Traction Control System (TCS)
The Traction Control System (TCS) enhances traction and safety by controlling
engine torque and braking.
When the TCS detects driving wheel slippage, it lowers engine torque and operates
the brakes to prevent loss of traction.
This means that on a slick surface, the engine adjusts automaticall ...
Tachometer
Purpose
The tachometer notifies the driver of the engine speed.
Function
The instrument cluster controls the tachometer needle based on the engine
speed signal from the PCM and displays the engine speed per minute.
Construction
An analog needle display tachometer ...
Turn And Hazard Indicator Alarm
Purpose
The turn and hazard indicator alarm notifies the driver that a turn light
or the hazard warning lights are flashing.
Function
When the instrument cluster receives the turn signal/hazard warning indicator
light illumination request signal sent from the front body con ...
