Mazda CX-5 Service & Repair Manual: Air Fuel Ratio (A/F) Sensor Removal/Installation
WARNING:
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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:
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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 A/F sensor, it could cause interference with the A/F sensor function.
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When removing the A/F sensor, 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. Remove the plug hole plate..
3. Disconnect the A/F sensor connector.
4. Remove the clip from the heat insulator.
5. Remove the wiring harness from the wire clip A and B..
6. Remove the A/F sensor using the SST
.
7. Install in the reverse order of removal.
Assembly of Wiring Harness to Wire Clip Note
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Secure the heat shrinkable tube on the wiring harness to wire clip A.
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Secure the band on the wiring harness so that the band is positioned on both sides of wire clip B.
Air Fuel Ratio (A/F) Sensor Inspection
A/F Sensor 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-M ...
Air Fuel Ratio (A/F) Sensor
Purpose/Function
Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust
gas as basic information for mainly determining the fuel injection amount.
Detects the oxy ...
Other materials:
Cylinder Head Cover
Purpose, Function
The cylinder head cover prevents foreign material penetration and engine
oil spatter.
The oil baffle plate reduces engine oil consumption by separating the engine
oil from the blow-by gas.
Construction
The lightweight cylinder head cover is made of ...
Battery [Skyactiv G 2.0]
Purpose, Function
The battery stores electricity generated by the generator. In addition, it
supplies power to electronic devices if necessary.
Construction
The battery is installed in the engine compartment. (vehicle left)
Fail-safe
Function not equipped.
...
Roof Molding Removal
1. Insert a tape-wrapped flathead screwdriver in the position shown in the figure.
2. Rotate a tape-wrapped flathead screwdriver in the direction of the arrow in
the order of (1), (2) shown in the figure and remove the roof molding from the front
T-stud.
3. Rotate the roof molding in th ...
