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:
Mirrors
Mirrors
Before driving, adjust the inside and outside mirrors.
Outside Mirrors
WARNING
Be sure to look over your shoulder before changing lanes: Changing lanes without
taking into account the actual distance of the vehicle in the convex mirror is dangerous.
You could have a serious accident. ...
Main Silencer
Purpose, Function
Reduces the exhaust noise.
Construction
The main silencer is installed to the vehicle rear, under the trunk compartment.
2WD
AWD
The main silencer consists of the filters, holder, set plates and stiffener.
...
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 and can cause
severe burns. Do not touch the thermostat and water.
4. Heat the water and c ...
