Mazda 3 Service Manual: Fuel Injector Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
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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11.4—12.6 ohms [20 °C {68 °F}]
-
If not within the specification, replace the fuel injector..
Fuel Filter (High Pressure) Removal/Installation [Mzr 2.0, Mzr 2.5]
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 ...
Fuel Injector Removal/Installation [Mzr 2.0, Mzr 2.5]
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:
Control Switches
Temperature control dial
This dial controls temperature. Turn it
clockwise for hot and counterclockwise
for cold.
Fan control dial
The fan has seven speeds.
AUTO position
The amount of airflow will be
automatically controlled in accordance
with the set temperature.
Except AUTO position
Th ...
Locking, Unlocking with Door-
Lock Knob
Operation from inside
To lock any door from the inside, press the
door-lock knob.
To unlock, pull it outward.
This does not operate the other door locks.
NOTE
The red indication can be seen when the
door-lock knob is unlocked.
Operation from outside
To lock the rear and front pa ...
Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
When the engine is hot, it can badly burn. Turn off the engine and wait until
it is cool before removing the ECT sensor.
ECT Sensor No.1
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant..
4. Remove the battery and b ...
