Mazda 3 Service Manual: Ignition Coil Inspection [Mzr 2.0, Mzr 2.5]
Ignition Coil Inspection
1. Perform the spark test and identify the malfunctioning cylinder..
2. Replace the ignition coil of the malfunctioning cylinder with that of a normal cylinder, and perform the spark test again..
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If the spark is not normal due to a malfunctioning ignition coil, replace that ignition coil.
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It is unlikely that all four ignition coils fail to operate properly. To prevent replacing a normal component, perform the above procedure, identify the malfunctioning ignition coil, and replace it.
Forced Ignition On [With Advanced Keyless Entry And Push Button Start System]
NOTE:
In order to perform a forced ignition ON, the M-MDS (IDS) is necessary. If
the servicing is being done outside of an Authorized Mazda dealership, contact
an Authorized Mazda dealer ...
Ignition Coil Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Remove in the order indicated in the table.
5. Install in the reverse order of remov ...
Other materials:
Power Window System Preliminary Inspection [Power Window System]
Manual Open/close Function Inspection
STEP
INSPECTION
ACTION
1
Switch the ignition to ON.
Operate the power window using the manual open/close function on
the power window main switch.
...
Variable Valve Timing Actuator Inspection [Mzr 2.3 Disi Turbo]
CAUTION:
Variable valve timing actuator cannot be disassembled because it is a precision
unit.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the charge air cooler..
4. Remove the ignition coils..
5. Disconnect the ventilation hose from th ...
Intake Air Temperature (Iat) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
NOTE:
Because the IAT sensor is integrated in the MAF sensor, replacing the IAT
sensor includes replacement of the MAF/IAT sensor.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the MAF/IAT sensor connector.
4. Mea ...
