Mazda CX-5 Service & Repair Manual: 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 distributor and inputs it to the PCM as a fuel pressure signal.
Construction
-
Installed on the fuel distributor.
-
A metal diaphragm thin film distortion gauge has been adopted as the detecting element for detecting the fuel pressure.
Operation
-
Inputs the signal, which fluctuates according to the fuel pressure, to the PCM.
Fuel pressure sensor characteristic
Fail-safe
|
DTC No. |
Fail-safe function |
|
P0191:00 |
|
|
P0192:00 |
|
|
P0193:00 |
|
Fuel Pressure Sensor Inspection
Voltage Inspection
NOTE:
The fuel pressure sensor cannot be removed as a single unit. When replacing
the fuel pressure sensor, replace it together with the fuel distributor as a
single ...
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 saf ...
Other materials:
Active Command Modes Inspection [Front Body Control Module (Fbcm)]
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the initialization
screen of the M-MDS.
a. Select “DataLogger”.
b. Select “Modules”.
c. Select “F_BCM”.
3. Select the active command modes from the PID table.
4. Perform t ...
No.27 Fuel Refill Concerns
27
FUEL REFILL CONCERNS
DESCRIPTION
Fuel tank does not fill smoothly.
POSSIBLE CAUSE
PCM DTC is stored.
Non-return valve malfunction
Pressure control v ...
Liftgate Recess Removal/Installation
1. Insert a tape-wrapped flathead screwdriver in the position indicated by the
arrow in the figure and detach hooks A.
2. Remove the liftgate recess in the direction of the arrow shown in the figure
avoiding hooks B.
3. Install in the reverse order of removal. ...