Mazda CX-5 Service & Repair Manual: Fuel Filler Cap
Purpose, Function
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Releases evaporative gas from the fuel tank if there is a malfunction in the evaporative gas passage between the fuel tank and the intake manifold. As a result, deformation of the fuel tank caused by evaporative gas pressure is prevented.
Construction
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The fuel-filler cap is installed to the fuel filler opening.
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The fuel-filler cap consists of a valves, retainer, and springs.
Operation
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When there is positive pressure in the fuel tank due to evaporative gas, evaporative gas is released into the atmosphere. When there is negative pressure, air is introduced to the fuel tank.
Fuel Filler Cap Inspection
Leakage Inspection
1. Perform the following tester (evaporative emission system tester (134-01049A))
self-test:
NOTE:
If the tester does not work correctly during self-test, refer to the ...
Fuel Filler Lid Adjustment
1. Verify that the gap and height difference between the fuel-filler lid and
body.
2. Loosen the bolts and adjust the fuel-filler lid.
Standard clearance
a: 1.7—3.7 mm {0.07—0.14 ...
Other materials:
Blower Unit
Purpose
The blower unit switches between fresh air and recirculated air (FRESH/REC)
and sends airflow into the cabin.
Function
Air is blown by the blower motor in the blower unit.
The blower unit switches the air intake port to FRESH or REC based on the
position of ...
Refrigerant Pressure Sensor [Full Auto Air Conditioner]
Purpose
The refrigerant pressure sensor detects the refrigerant pressure in the refrigerant
cycle.
Function
The refrigerant pressure sensor converts the detected refrigerant pressure
to an electric signal and sends it to the PCM.
Construction
The refriger ...
Airflow Mode Actuator [Full Auto Air Conditioner]
Purpose
The airflow mode actuator moves the mode door in the A/C unit to switch the
air vent.
Function
Door open/close function
The airflow mode actuator drives the motor based on the signal from the climate
control unit and moves the mode door to the VENT, BI-LEVEL, HEAT, ...
