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
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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:
Light Switch Removal/Installation
NOTE:
When removing the light switch, it is necessary to rotate the steering wheel.
If the ignition is switched off from ON (engine on) with the driver's door closed,
the steering wheel is locked. Therefore, perform the procedure in Steps 1 to
3 so that the steering wheel is not ...
Full Auto Air Conditioner [Full Auto Air Conditioner]
Outline
The climate control unit performs the following controls based on the signals
from each switch/dial and the sensor.
Airflow temperature control
Airflow volume control
Airflow mode control
Air intake control
A/C compressor con ...
High Pressure Fuel Pump Control
Outline
Changes the fuel pressure applied to the fuel injector according to engine
operation conditions to improve engine output and startability.
The PCM determines the fuel pressure value corresponding to the engine operation
conditions based on the each input signal, and driv ...
