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.
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Fuel injector resistance
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1.74—2.04 ohms [20 °C {68 °F}]
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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:
Immobilizer System
The immobilizer system allows the engine to start only with a key the system
recognizes.
If someone attempts to start the engine with an unrecognized key, the engine
will not start, thereby helping to prevent the theft of your vehicle.
If you have a problem with the immobilizer system or the k ...
Ion Sensor
Purpose/Function
Detects ion generation in the combustion chamber for detecting pre-ignition.
Detects ions which occur due to fuel combustion as current by applying bias
voltage to the spark plug, which is amplified in the ignition coil internal
circuit and input to the PCM.
...
Horn
Purpose, Function
The horn sounds according to the horn switch operation.
Construction
Installed to the inside of the front grille.
The diaphragm is vibrated to apply vibration to the air and produce sound.
Operation
1. When the horn switch turns on (1), the ho ...
