Chevrolet Spark manuals

Mazda CX-5 Service & Repair Manual: Fuel Pump Control

Outline

Block Diagram


Operation

Fuel pump relay


Relay ON/OFF

Control conditions

ON

  • When any of the following conditions is met:

    • When ignition is switched ON (for approx. 1 s)

    • During engine cranking

    • While engine is running

OFF

  • When engine is stopped


Fuel pump control module


Output duty ratio

Control conditions

95%

  • When any of the following conditions is met:

    • At engine start

    • Fuel pump control module malfunction (if request voltage is unobtainable)

10—90%

  • Feedback value from fuel pressure sensor is the specified value or more

    (Determined that high pressure fuel pump compression is high.)

  • Except for control conditions with output duty ratio of 5% or 95%

5%

  • When engine is stopped


Fuel pump operation circuit diagram


Fuel Pump Control Module
Purpose, Function Controls the voltage applied to the fuel pump for reducing fuel pump load and improving fuel economy. Controls the voltage applied to the fuel pump based on the con ...

Fuel Pump Unit Disassembly/Assembly
WARNING: Fuel is very flammable liquid. If fuel spills or leaks from the pressurized fuel system, it will cause serious injury or death and facility breakage. Fuel can also irritate skin ...

Other materials:

Headlight Bulb Removal/Installation
Halogen Type Headlight LO bulb 1. Disconnect the negative battery cable.. 2. Disconnect the connector. 3. Rotate the headlight LO bulb in the direction of the arrow (1) shown in the figure to remove it in the direction of the arrow (2) shown in the figure. CAUTION: A halogen bu ...

Fully Automatic Type
Climate control information is displayed on the display. Control Switches AUTO switch By pressing the AUTO switch the following functions will be automatically controlled in accordance with the selected set temperature: • Airflow temperature • Amount of airflow • Selection of airflow ...

Pressure Control Valve [Skyactiv G 2.0]
U.S.A. And CANADA Purpose, function Prevents fuel tank damage by suppressing the vacuum applied to the fuel tank while the purge solenoid valve is open. Suppresses the vacuum applied from the charcoal canister side to the fuel tank. Construction Integrated with the ...

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