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:
Fuel Injector Relay
Purpose, Function
Supplies power to the PCM for the fuel injector and spill valve control solenoid
valve operation.
Construction
The fuel injector relay is installed in the relay and fuse block.
Operation
When the ignition is switched ON, the battery voltage ...
Power Window Subswitch Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the cover A.
3. Insert a tape-wrapped fastener remover shown in the figure and remove the
tab B in the direction of arrow (1).
4. Slide the power window subswitch cover in the direction of the arrow (2) shown
in the figure and re ...
Thermostat
Purpose, Function
When the engine coolant temperature is low, the thermostat blocks the engine
coolant passage between the radiator and engine. As a result, because engine
coolant cycles without passing through the radiator, warming is promoted.
Construction
The thermostat ...
