Mazda CX-5 Service & Repair Manual: Fuel Pump Relay
Purpose, Function
-
Controls the fuel pump on/off according to control signals from the PCM.
-
The fuel pump is operated only at engine start or when the engine is running to improve safety.
Construction
-
The fuel pump relay is installed in the relay and fuse block.
Operation
-
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.
-
For the fuel pump control, refer to CONTROL SYSTEM..
Fail-safe
-
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:
Center Pillar Installation [Panel Replacement]
Symbol Mark
Installation Procedure
1. When installing new parts, measure and adjust the body as necessary to conform
with standard dimensions.
2. Drill holes for the plug welding before installing the new parts.
3. After temporarily installing new parts, make sure the related parts fit p ...
Floor Side Panel Removal [Panel Replacement]
Symbol Mark
Removal Procedure
1. Drill the 35 locations indicated by (A) shown in the figure, then remove the
floor side panel No.1.
2. Drill the 5 locations indicated by (B) shown in the figure.
3. Drill the 4 locations indicated by (C) from rear wheel housing shown in the
figure. ...
Fuel Gauge
Purpose
The fuel gauge notifies the user of the amount of remaining fuel.
Function
The instrument cluster calculates the amount of fuel in the fuel tank based
on the following CAN signals and displays the fuel gauge segments.
Fuel gauge sender unit voltage signal ...