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:
Lighting System Personalization Features Setting Procedure
Turn Light System
There are two methods for personalizing the turn light system: One using
the M-MDS and the other using the audio unit (with color LCD). Refer to the
following and perform the setting.
Method using M-MDS
CONTROL SYSTEM PERSONALIZATION FEATURES SETTING PR ...
Battery [Skyactiv G 2.0]
Purpose, Function
The battery stores electricity generated by the generator. In addition, it
supplies power to electronic devices if necessary.
Construction
The battery is installed in the engine compartment. (vehicle left)
Fail-safe
Function not equipped.
...
PCM
Purpose/Function
High-level driveability and lower fuel consumption have been realized by
controlling the appropriate engine conditions (fuel injection/ignition timing)
according to operation conditions.
Controls each output part based on the signal from each input part.
...
