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:
Auto Light Sensor
Purpose
The auto light sensor detects the illumination level above and in front of
the vehicle and outputs it to the front body control module (FBCM).
Function
The auto-light sensor uses the upward illumination level sensor to detect
the illumination level above the vehicle ...
Check Fuel Cap Warning Light
Purpose/Function
The check fuel cap warning light is built into the instrument cluster.
If the PCM detects that the fuel cap is open, the light illuminates to warn
the driver that the fuel cap is open.
Construction
Built into the instrument cluster.(See INSTRUMENT CLUS ...
Dynamic Stability Control (DSC)
Outline
Electrical brake assist control has been adopted, improving safety.
The DSC HU/CM, integrating both the hydraulic unit (HU) and control module
(CM), has been adopted, resulting in a size and weight reduction.
An enhanced malfunction diagnosis system, used with the M ...
