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:
Turning the Engine Off
WARNING
Do not stop the engine while the vehicle is moving:
Stopping the engine while the vehicle is moving for any reason other than in
an emergency is dangerous.
Stopping the engine while the vehicle is moving will result in reduced braking
ability due to the loss of power braking, which co ...
Lights On Reminder Warning Alarm
Purpose
The lights-on reminder warning alarm notifies the driver that the TNS and
headlights are not turned off.
Function
The instrument cluster receives the following vehicle condition signals via
the CAN signal from the start stop unit and rear body control module (RBCM). ...
Warranties for Your Mazda
• New Vehicle Limited Warranty
• Powertrain Limited Warranty
• Safety Restraint System Limited Warranty
• Anti-perforation Limited Warranty
• Federal Emission Control Warranty/California
Emission Control Warranty
• Emission Defect Warranty
• Emission Performance Warranty
• E ...
