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.
-
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:
Cowl Upper Plate Removal [Panel Replacement]
Symbol Mark
Removal Procedure
1. Drill the 9 locations indicated by (A) shown in the figure.
2. Drill the 2 locations by (B) from the front wheel housing side shown in the
figure.
3. Drill the 2 locations indicated by (C) from the inside shown in the figure.
4. Remove the cowl upp ...
Front Fog Lights Indicator Light
Purpose
Notifies the user that the front fog lights are illuminated.
Function
Illuminates when the front fog light illumination conditions are met.
Construction
Displayed in the instrument cluster.
Operation
1. With the light switch in the TNS, HEAD, or ...
Camshaft Position (CMP) Sensor Removal/Installation
CAUTION:
When replacing the CMP sensor, make sure there is no foreign material on
it such as metal shavings. If it is installed with foreign material, the sensor
output signal will malfunction resulting from fluctuation in magnetic flux and
cause a deterioration in engine control.
...
