Mazda CX-5 Service & Repair Manual: Heated Oxygen Sensor (HO2 S) Removal/Installation
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.
CAUTION:
-
Do not allow flammable objects such as the taping for bundling wiring harness to come into contact with the exhaust manifold and silencer.
NOTE:
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If penetrant lubricating spray penetrates the airflow hole of the HO2S, it could cause interference with the HO2S function.
-
When removing the HO2S, wrap a rag around the lower position so that penetrant lubricating spray does not get sprayed into the airflow hole.
1. Disconnect the negative battery cable..
2. Lift up the vehicle.
3. Remove the floor under cover. (vehicles with floor under cover).
4. Remove the insulator and brace bar. (2WD).
5. Disconnect the HO2S connector.
6. Remove the clip A from the bracket.
7. Remove the clip B.
8. Remove the HO2S using the SST
.
9. Install in the reverse order of removal.
Heated Oxygen Sensor (HO2 S) Inspection
HO2S Inspection
1. Connect the M-MDS to the DLC?2.
2. Switch the ignition ON (engine on).
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
...
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 ...
Other materials:
Coupling Component Calibration Data Writing
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the toolbox
of the M-MDS.
Select “Chassis”.
3. Then, select items from the screen menu in the following order.
Select “4WD/AWD”.
Select “Coupling Calibra ...
Headlight High Beam Indicator Light
Purpose
Notifies the user that the headlights (HI) are illuminated.
Function
Illuminates when the headlight (HI) or parking illumination conditions are
met.
Construction
Displayed in the instrument cluster.
Operation
1. When the light switch is operat ...
Audio Set (Type A)
1 Power/Volume/Sound Controls
2 Operating the Radio
3 Operating the Compact Disc (CD) Player
4 How to use auxiliary jack/USB port
5 Error Indications
Power/Volume/Sound Controls
Power ON/OFF
Switch the ignition to ACC or ON. Press the power/volume dial to turn the audio
system on. Pre ...
