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:
Electric Variable Valve Timing Actuator Inspection
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
Do not disassemble the electric variable valve timing actuator because it
is a precision unit.
1. Disconnect the negative battery cable..
2. Remo ...
Drive Belt Auto Tensioner Inspection
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
If the rubber part of the drive belt auto tensioner is damaged by a screwdriver
or other tool, oil in the hydraulic pressure unit could leak and the tens ...
Heated Oxygen Sensor (HO2 S)
Purpose/Function
Detects the oxygen concentration (theoretical air/fuel ratio) in the exhaust
gas as basic information for mainly determining the fuel injection amount and
as information for determining the deterioration of catalytic converter.
Detects the oxygen concentration ( ...
