Mazda CX-5 Service & Repair Manual: Warm Up Three Way Catalytic Converter (Wu Twc) Inspection
CAUTION:
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Perform the following procedures, DTC P0421:00 is indicated only.
1. Connect the M-MDS to the DLC-2.
2. Start the engine and warm it up to normal operating temperature.
3. Turn off the engine.
4. Verify that the engine compression is within the specification..
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If the compression pressure is not within the specification, repair or replace the malfunctioning part.
5. Drive the vehicle for 10 min at
65—96 km/h {40—60 mph}
to allow the WU-TWC to reach normal operating temperature.
6. Stop the vehicle and leave it in a safe space.
7. Access Test ID 10:21:80 on the “Diagnostic Monitoring Test Result” function.
8. Verify that the test result is within specification indicated on the M-MDS.
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If it is not as specified, replace the exhaust manifold..
Rollover Valve
Purpose, Function
Prevents fuel from flowing into the evaporative gas passage during sudden
cornering or vehicle rollover.
Construction
The rollover valve is built into the fuel ...
Brake Fluid Pressure Sensor
Purpose/Function
The brake fluid pressure sensor detects the fluid pressure from the master
cylinder and transmits it to the DSC HU/CM.
Construction
The brake fluid pressure sen ...
Other materials:
Front Combination Light
Purpose
Parts related to the front exterior lights are grouped and housed together
such as the headlight, front turn/parking light, headlight leveling actuator,
wiring harnesses, and connectors.
Function
Each light illuminates or flashes when the light switch, turn switch, ...
License Plate Light Bulb Removal/Installation
1. Disconnect the negative battery cable..
2. Insert a tape-wrapped flathead screwdriver into the clearance between the
lens and license plate light shown in the figure.
3. Move the flathead screwdriver in the direction of the arrow shown in the figure,
pull out the lens from the license ...
Airflow Mode Main Link Removal/Installation
Full-auto Air Conditioner
1. The airflow mode main link is installed to the airflow mode actuator. When
removing the airflow mode main link, refer to the airflow mode actuator removal/installation..
Manual Air Conditioner
1. Disconnect the negative battery cable..
2. Remove the glove compar ...
