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:
ABS Wheel Speed Sensor And ABS Sensor Rotor
Purpose/Function
The ABS wheel-speed sensor and ABS sensor rotor detect the rotation condition
of each wheel and transmit this information to the DSC HU/CM.
The signal from the ABS wheel-speed sensor is the primary signal that the
DSC HU/CM uses when carrying out control.
...
Hood Latch Switch
Purpose
Detects the open/closed condition of the hood.
Function
The hood latch switch is utilized in the theft-deterrent system control.
For the theft-deterrent system, refer to (see THEFT-DETERRENT SYSTEM.).
Construction
Built into the hood latch ...
Bumper Stiffener Lower Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Seal board upper.
b. Front bumper.
c. Seal plate.
d. Front under cover No.1.
3. Remove bolts A.
4. Pull the bumper stiffener lower in the direction of the arrow (1), (2) shown
in the figure, detach hooks ...
