Mazda 3 Service Manual: Heated Oxygen Sensor (HO2 S) Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
-
A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.
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:
Available Language (Type A)
The available languages are English,
Spanish, and Canadian French. If the
language setting is changed, all of the
voice guidance and voice input commands
are done in the selected language.
NOTE
If the language setting is changed,
device registration is maintained.
Phonebook records are ...
Interior Light Bulb Removal/Installation
1. Disconnect the negative battery cable..
2. Insert a tape-wrapped fastener remover into the service hole and pry with
the screwdriver in the direction shown by the arrow to remove the lens.
3. Remove the interior light bulb.
4. Install in the reverse order of removal. ...
Recommended Oil
U.S.A., Canada, and Puerto Rico
Use SAE 0W-20 engine oil.
Mazda Genuine Oil is used in your
Mazda vehicle. Mazda Genuine 0W-20
Oil is required to achieve optimum fuel
economy.
For maintenance service, Mazda
recommends Mazda Genuine Parts and
Castrol ® (U.S.A. only).
Only use SAE 0W- ...
