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:
No.28 Fuel Filling Shut Off Concerns
28
FUEL FILLING SHUT OFF CONCERNS
DESCRIPTION
Fuel does not shut off properly.
POSSIBLE CAUSE
PCM DTC is stored.
Nonreturn valve malfunction
Pressure c ...
Antilock Brake System (ABS)
The ABS control unit continuously monitors the speed of each wheel. If one wheel
is about to lock up, the ABS responds by automatically releasing and reapplying
that wheel's brake.
The driver will feel a slight vibration in the brake pedal and may hear a chattering
noise from the brake sy ...
Evaporative Emission (Evap) Control System
Purpose, Outline
Prevents release of evaporative gas into the atmosphere.
The intake manifold vacuum introduces evaporative gas to the intake manifold
via the charcoal canister and the purge solenoid valve.
System Diagram
U.S.A. and CANADA
Except U.S.A. and CANADA
...
