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:
Purge Solenoid Valve
Purpose, Function
Introduces evaporative gas absorbed by the charcoal canister to the intake
manifold.
The purge solenoid valve opens according to the control signal from the PCM.
Construction
The purge solenoid valve is installed in the engine compartment.
...
Side Turn Light Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Outer mirror glass.
b. Upper outer mirror garnish.
c. Side turn light.
3. Apply battery voltage to side turn light terminal A, and connect terminal
B to ground.
4. Verify that the LED illuminates.
...
Pressure Sensor [Two Step Deployment Control System]
Purpose
The pressure sensor determines at an earlier stage whether to detonate the
air bag on the side of the vehicle (around front door) receiving an impact.
This is for improved accuracy of the side air bag operation (deployment).
Function
When the vehicle is involved in ...
