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 Gauge Sender Unit Inspection [2 Wd]
NOTE:
For the fuel gauge sender unit removal/installation, refer to the fuel pump
removal/installation because the fuel gauge sender unit is integrated with the
fuel pump..
1. Verify that the resistance at fuel gauge sender unit terminals D and C is
as indicated in the table ac ...
Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include up to 6 air bags.
Please verify which kinds of air bags are equipped on your vehicle by locating the
“SRS AIRBAG” location indicators. These indicators are visible in the area where
the air bags are installed.
The air bags ar ...
Rear Map Light
Purpose
The rear map lights shine light at the center of the vehicle interior.
Function
The rear map lights illuminate when the interior light switch is in the ON
position or the map light switch is turned on.
The rear map lights illuminate according to the lock condit ...
