Mazda CX-5 Service & Repair Manual: Fuel Injector Relay
Purpose, Function
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Supplies power to the PCM for the fuel injector and spill valve control solenoid valve operation.
Construction
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The fuel injector relay is installed in the relay and fuse block.
Operation
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When the ignition is switched ON, the battery voltage is supplied to the coil and the contact point is on, thus the battery voltage is supplied to the PCM.
Fail-safe
-
Function not equipped.
Fuel Injector Inspection
Resistance Inspection
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Disconnect the fuel injector connector.
4. Inspect the resistance between fuel injector termi ...
Fuel Injector Removal/Installation
WARNING:
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 ...
Other materials:
Rear Seat Back Removal/Installation
CAUTION:
When removing or putting in the rear seat, contact with the surrounding areas
of the vehicle could cause scratches and damage. When removing or putting in
the rear seat, always use two or more persons to perform the work and be careful
not to scratch or damage the rear seat ...
Engine Coolant Temperature (ECT) Sensor
Purpose/Function
Detects the ECT as basic information for mainly determining the fuel injection
amount.
Detects the ECT and inputs it to the PCM as an ECT signal.
The ECT sensor No.2 is only used for OBD.
Construction
ECT sensor No.1
Installed to the water out ...
Electrical System
Electrical Parts
Battery cable
Before disconnecting connectors or removing electrical parts, disconnect
the negative battery cable.
Wiring Harness
To remove the wiring harness from the clip in the engine room, pry up the
hook of the clip using a flathead screwdriver. ...
