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:
Differential Oil Temperature Sensor Inspection
WARNING:
Hot differential oil may cause severe burns. Do not perform maintenance while
differential oil is hot.
1. Disconnect the negative battery cable.
2. Disconnect the differential oil temperature sensor connector and remove the
differential oil temperature sensor.
3. Wrap ...
Car Navigation System Does Not Operation [Car Navigation System]
Possible DTC
Even if the map screen is touched, the car-navigation system cannot be
operated
POSSIBLE CAUSE
Audio unit malfunction (bad LCD panel)
Car-navigation unit malfunction
Diagnosti ...
Oil Filter Replacement
WARNING:
Hot engines and engine oil can cause severe burns. Turn off the engine and
wait until it and the engine oil have cooled.
A vehicle that is lifted but not securely supported on safety stands is dangerous.
It can slip or fall, causing death or serious injury. Never work ...
