Mazda CX-5 Service & Repair Manual: Fuel Draining Procedure
WARNING:
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Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. To prevent this, complete the following inspection with the engine stopped.
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Fuel is very flammable liquid. If fuel spills or leaks from the pressurized fuel system, it will cause serious injury or death and facility breakage. Fuel can also irritate skin and eyes. To prevent this, always complete the “Fuel Line Safety Procedure”, while referring to the “BEFORE SERVICE PRECAUTION”.
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A person charged with static electricity could cause a fire or explosion, resulting in death or serious injury. Before performing work on the fuel system, discharge static electricity by touching the vehicle body.
CAUTION:
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Disconnecting/connecting the quick release connector without cleaning it may possibly cause damage to the fuel pipe and quick release connector. Always clean the quick release connector joint area before disconnecting/connecting using cloth or soft brush, and make sure that it is free of foreign material.
1. Complete the “BEFORE SERVICE PRECAUTION”..
2. Disconnect the negative battery cable..
3. Disconnect the quick release connector as shown in the figure..
4. Connect a long hose to the disconnected quick release connector and drain the fuel into a container used for collecting gasoline.
5. Drain the fuel from the fuel tank using the following procedure:
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Using M-MDS
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Connect the negative battery cable..
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Connect the M-MDS to the DLC-2.
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Using the simulation function “FP”, start the fuel pump..
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Without using M-MDS
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Remove the fuel pump relay.
CAUTION:
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Short the specified terminals because shorting the wrong terminal of the relay and fuse block may cause malfunctions.
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Using a jumper wire, short fuel pump relay terminals C and D in the relay and fuse block.
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Connect the negative battery cable and operate the fuel pump..
CAUTION:
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The fuel pump could be damaged if it is operated while there is no fuel in the fuel tank. Verify the amount of fuel being discharged from the hose and stop operation of the fuel pump when essentially no fuel is being discharged.
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6. Stop the fuel pump using the following procedure.
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Using M-MDS
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Using the simulation function “FP”, stop the fuel pump..
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Disconnect the negative battery cable..
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Without using M-MDS
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Remove the jumper wire to stop the fuel pump..
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Disconnect the negative battery cable..
Fuel Distributor
Purpose, Function
Distributes fuel pumped from the high pressure fuel pump to each fuel injector.
Construction
The fuel distributor is installed to the cylinder head.
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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 ...
Other materials:
Blower Unit Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front scuff plate (passenger-side).
b. Front side trim (passenger-side).
c. Dashboard under cover.
d. Glove compartment.
e. Decoration panel.
f. Lower panel (passenger-side).
3. Disconnect the blower motor c ...
Rear Mount Camera Removal/Installation
CAUTION:
The audio unit communicates with the rear mount camera and records the presence/non-presence
of the rear mount camera when the ignition is switched to ACC or ON (engine
off or on) after connecting the negative battery cable.
If the commander switch is installed wit ...
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.
...
