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:
Starter Interlock Switch [Skyactiv G 2.0]
Purpose, Function
The starter interlock switch mechanism prevents vehicle surge when the engine
is started, enhancing safety. The engine cannot be started unless the clutch
is depressed.
Construction
The mechanism is provided with a starter interlock switch on the circuit
...
Audio Amplifier
Purpose, Function
The audio signal (analog voltage waveform) output from the unit equipped
on the vehicle is converted into a digital pulse. The converted digital pulse
signal is amplified and sent to the speakers.
Construction
The audio amplifier is placed in the front sid ...
Water Pump
Purpose, Function
The water pump operates by obtaining drive force from the engine via the
drive belt to pump engine coolant.
Construction
The water pump is installed to the engine front.
The water pump consists of the following parts:
A hard plasti ...
