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:
Power Window System Preliminary Inspection [Power Window System]
Manual Open/Close Function Inspection
STEP
INSPECTION
ACTION
1
Switch the ignition ON (engine off or on).
Operate the power window using the manual open/close function on
the power window main swit ...
High Pressure Fuel Pump
Purpose, Function
Applies pressure to fuel sent from the fuel pump equipped on the fuel tank,
and then pumps it to the fuel delivery pipe.
Fuel is sectioned and pumped by the up and down movement of the piston caused
by the rotation of the cam installed to the rear end of the ex ...
Driver and Front Passenger Occupant Classification System
First, please read “Supplemental Restraint System (SRS) Precautions” carefully.
Driver Seat Slide Position Sensor
Your vehicle is equipped with a driver seat slide position sensor as a part of
the supplemental restraint system. The sensor is located under the driver seat.
The sensor ...
