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:

Tweeter Inspection
1. Disconnect the negative battery cable.. 2. Remove the side speaker grille.. 3. Remove the tweeter.. 4. Verify that the resistance between the tweeter terminals is as indicated in the table. If not as indicated in the table, replace the tweeter. Without Bose® With B ...

Clutch Pedal Position (CPP) Switch Inspection [Skyactiv G 2.0]
Continuity Inspection 1. Verify that the CPP switch is installed properly.. 2. Disconnect the negative battery cable.. 3. Disconnect the CPP switch connector. 4. Verify that the continuity between CPP switch terminals A and B when the clutch pedal is depressed and when it is released is acc ...

Front Door Hinge Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Front bumper. b. Front combination light. c. Front bumper slider. d. Front over fender. e. Front fender panel. f. Front door. 3. Remove in the order shown in the figure. 1 Bolt ...

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