Mazda CX-5 Service & Repair Manual: Fuel Pump Relay
Purpose, Function
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Controls the fuel pump on/off according to control signals from the PCM.
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The fuel pump is operated only at engine start or when the engine is running to improve safety.
Construction
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The fuel pump relay is installed in 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 fuel pump control module.
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For the fuel pump control, refer to CONTROL SYSTEM..
Fail-safe
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Function not equipped.
Fuel Pressure Sensor
Purpose/Function
Detects the fuel pressure in the fuel distributor as basic information for
mainly determining the fuel injection amount.
Detects the fuel pressure in the fuel distri ...
Fuel Tank Pressure Sensor Inspection
Voltage Inspection
NOTE:
The fuel tank pressure sensor cannot be removed as a single unit. When replacing
the fuel tank pressure sensor, replace it together with the charcoal canister
a ...
Other materials:
Valve, Valve Spring, Valve Seal, Valve Guide
Purpose, Function
Valve
The intake valve is pressed down by the cam, the intake air passage is opened,
and air is introduced into the cylinder.
The exhaust valve is pressed down by the cam, the exhaust air passage is
opened, and combustion gas is exhausted from the cylinder.
...
Rear Washer Nozzle Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the liftgate upper trim..
3. Remove the rear spoiler..
4. Disconnect the rear washer hose from the rear washer nozzle..
5. While pressing tabs of the rear washer nozzle in the direction of the arrows
(1) shown in the figure, pull the rea ...
Heater, Ventilation And Air Conditioning
Abbreviation
AAS
Active Adaptive Shift
ABS
Antilock Brake System
ABDC
After Bottom Dead Center
ACC
Accessories
AFS
Adaptive Front Lighting System
...
