Mazda CX-9 2007 - Fuel Injector; Fuel Injector Construction;Operation; Fuel Pump Relay; Quick Release Connector

FUEL SYSTEM [MZI-3.5]
01-14–6
QUICK RELEASE CONNECTOR (FUEL SYSTEM) CONSTRUCTION/OPERATION [MZI-3.5]
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Quick Release Connector Position
Construction
• An SST is not used with this type.
• Mainly consists of a retainer and O-ring. The quick release connector is integrated with the joint port and
therefore cannot be disassembled.
• When the quick release connector is connected,
the fuel pipe projection is locked at the clamp lock
point. To release the quick connector lock for each
type, follow the procedure in the order shown in
each figure.
End Of Sie
NG: FUEL INJECTOR
FUEL INJECTOR FUNCTION [MZI-3.5]
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• Injects fuel according to fuel injector control signals from the PCM.
End Of Sie
FUEL INJECTOR CONSTRUCTION/OPERATION [MZI-3.5]
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• Installed on the intake manifold.
• Mainly consists of a coil, spring and valve.
• A signal is sent from the PCM causes excitation
current to pass through the coil and thereby pull in
the valve and fuel is injected.
• The amount of injection is determined by the
open time of the valve (equal to the energization
time of the coil).
End Of Sie
NG: FUEL SYSTEM
FUEL PUMP RELAY FUNCTION [MZI-3.5]
id0114d1100700
• Controls the fuel pump on/off according to control signals from the PCM.
End Of Sie
FUEL TANK
SIDE
ENGINE ROOM
SIDE
QUICK RELEASE CONNECTOR
QUICK RELEASE CONNECTOR
AWD
2WD
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FLATHEAD SCREWDRIVER
QUICK RELEASE CONNECTOR
RETAINER
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FUEL FILTER
SCREEN
SOLENOID
COIL
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