Mazda CX-5 Service & Repair Manual: 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 terminals A and B.
-
Fuel injector resistance
-
1.74—2.04 ohms [20 °C {68 °F}]
-
If not within the specification, replace the fuel injector..
Fuel Injection Control System
Outline
Performs optimum fuel injection according to engine operation conditions.
The PCM determines the engine operation conditions based on the signals from
each input device and d ...
Fuel Injector Relay
Purpose, Function
Supplies power to the PCM for the fuel injector and spill valve control solenoid
valve operation.
Construction
The fuel injector relay is installed in the rela ...
Other materials:
Rear Window Defroster/Outer Mirror Heater
Outline
Fogging is cleared from the rear window and outer mirror glass by heating
of the filament.
Structural view
System wiring diagram
Vehicles with full-auto air conditioner system
Vehicles with manual air conditioner system
Construction
Rear window defroster
...
Fuel Pump Control
Outline
By switching the fuel pump discharge amount, reduced power consumption and
improved fuel economy have been realized.
The PCM determines the optimum fuel pump drive force according to the engine
operation conditions, and sends the fuel pump drive signal to the fuel pump
...
Purge Solenoid Valve
Purpose, Function
Introduces evaporative gas absorbed by the charcoal canister to the intake
manifold.
The purge solenoid valve opens according to the control signal from the PCM.
Construction
The purge solenoid valve is installed in the engine compartment.
...
