Mazda 3 manuals

Mazda 3 Service Manual: Heated Oxygen Sensor (HO2 S) Removal/Installation [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Control / Sensors, Switches, Relays / Heated Oxygen Sensor (HO2 S) Removal/Installation [Mzr 2.0, Mzr 2.5]

WARNING:

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Disconnect the HO2S connector.

4. Remove the HO2S using the SST

.

MZR 2.0/MZR 2.5 (Mexico)


MZR 2.5 (Except for Mexico)


5. Install in the reverse order of removal.

Heated Oxygen Sensor (HO2 S) Inspection [Mzr 2.0, Mzr 2.5]
HO2S Inspection 1. Connect the M-MDS to the DLC-2. 2. Switch the ignition to ON. 3. Warm up the engine to normal operating temperature. 4. Access the following PIDs using the M-MDS.. ...

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.. ...

Other materials:

Wastegate Control Solenoid Valve Inspection [Mzr 2.3 Disi Turbo]
Airflow Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the wastegate control solenoid valve.. 4. Inspect the airflow between the ports under the following conditions. If not as specified, replace the wastegate control solenoid val ...

Dashboard Illumination
When the position lights are turned on with the ignition switched ON, the brightness of the instrument panel illumination is dimmed. NOTE When the position lights are turned on, the position lights indicator light in the instrument cluster turns on. Refer to Headlights on . The brightness ...

Fuel Tank 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 and eyes. To prevent this, always complete the “Fuel Line Safety Procedure”, while referring to ...

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