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:
-
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:
Front Side Frame Removal [Panel Replacement]
Symbol Mark
Removal Procedure
1. Drill the 15 locations indicated by (A) shown in the figure.
2. Drill the 4 locations indicated by (B) shown in the figure.
NOTE:
When drilling the 4 locations indicated by (B) shown in the figure, do not
drill a hole all the way through or there ...
Passenger Sensing System [Two Step Deployment Control System]
Purpose
The passenger sensing system detects whether or not there is an occupant
on the passenger seat to control the operation (deployment) of the passenger-side
air bag system corresponding to the detected condition.
Function
Measures the total seated weight on the passen ...
Scheduled Maintenance (Mexico)
Follow Schedule 1 if the vehicle is operated mainly where none of the following
conditions apply.
• Repeated short-distance driving
• Driving in dusty conditions
• Driving with extended use of brakes
• Driving in areas where salt or other corrosive
materials are used
• Driving on ...