Mazda CX-5 Service & Repair Manual: Fuel Tank Pressure Sensor
Purpose/Function
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The fuel tank pressure sensor detects the fuel tank pressure.
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Fuel tank pressure sensor is only used for OBD.
Construction
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The fuel tank pressure sensor is equipped to the charcoal canister.
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A piezoelectric-type sensor has been adopted.
Operation
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Inputs the pressure in the fuel tank to the PCM.
Fuel tank pressure sensor characteristic
Fail-safe
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Function not equipped.
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 ...
Intake
...
Other materials:
Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve is installed to the oil separator.
The PCV valve consists of a spring and valve.
...
Remote Transmitter Battery Voltage Inspection
NOTE:
Because the remote transmitter battery power cannot be determined using the
battery itself, determine by the remote transmitter battery low warning operation
conditions.
Operation procedure for remote transmitter battery low warning
1. Place the remote transmitter inside t ...
Clock Input/Output Check Mode
Activation procedure
Inspection
NOTE:
The clock input/output check mode is displayed in the following order and
returning to the previous screen is impossible.
If you want to check All LCD illuminated or Check code 1 or 2 after Check
code 6 is displayed, activate the inpu ...
