Mazda CX-5 Service & Repair Manual: Returnless Fuel System
Purpose, Outline
-
Fuel evaporation in the fuel tank is reduced by adjusting the fuel amount (fuel pressure) ejected from the fuel pump and preventing fuel warmed in the engine compartment from returning.
System Diagram
2WD
AWD
Structure
-
The returnless fuel system consists of the following parts:
|
Part name |
Reference |
|
Fuel filter (low-pressure) |
(See FUEL PUMP UNIT [SKYACTIV-G 2.0].) |
|
Fuel filter (high-pressure) |
|
|
Pressure regulator |
|
|
Fuel pump |
Operation
-
Fuel in the fuel tank is pumped out through the fuel filter (low-pressure) by the fuel pump, filtered by the fuel filter (high-pressure), and then regulated to a specified pressure by the pressure regulator. The regulated fuel is sent to the high pressure fuel pump, and unnecessary regulated fuel is returned from the pressure regulator to the fuel tank.
2WD
AWD
Quick Release Connector Removal/Installation
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 ...
Fuel Pressure Sensor Inspection
Voltage Inspection
NOTE:
The fuel pressure sensor cannot be removed as a single unit. When replacing
the fuel pressure sensor, replace it together with the fuel distributor as a
single ...
Other materials:
Liftgate Hinge Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Rear scuff plate.
b. Trunk end trim.
c. Trunk side trim.
d. C-pillar trim.
e. D-pillar trim.
f. Liftgate.
3. Remove fasteners.
4. While partially peeling back the rear part of the headliner, remove nut ...
Accelerator Pedal, Kickdown Switch [Skyactiv G 2.0]
Purpose, Function
The driver's intentions are transmitted to the PCM via the accelerator pedal.
Kickdown switch (ATX) (Applied VIN (assumed): JM3 KE2*E*D# 148107?)
If the accelerator pedal is depressed carelessly, kickdown control will be
implemented based on the accelera ...
Clutch Pedal Position (CPP) Switch [Skyactiv G 2.0]
Purpose/Function
Detects the connection status of the clutch.
Construction
Installed on the clutch pedal.
An ON/OFF type switch has been adopted.
Operation
Inputs the CPP switch on/off signal to the PCM.
The contact point is on and voltage ...
