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:
Rear Center Seat Belt Removal/Installation
CAUTION:
The ELR (emergency locking retractor) has a spring that will unwind if the
retractor cover is removed. The spring cannot be rewound by hand. If this occurs,
the ELR will not work properly. Therefore, do not disassemble the retractor.
1. Press the release switch, then dis ...
Front Brake (Disc)
Purpose/Function
Large diameter, ventilated disc type front brakes with a 297 mm {11.7 in}
diameter and 28 mm {1.1 in} thickness have been adopted, improving braking force
and fade resistance.
Construction
Operation
When brake fluid is applied, the piston equipped on o ...
Brake Pedal Inspection
Pedal Height Inspection
1. Measure the distance from the center of the upper surface of the pedal pad
to the insulator and verify that it is as specified.
If not within the specification, inspect the following items and repair or
replace the applicable part if there is any malfunct ...
