Mazda CX-5 Service & Repair Manual: Warm Up Three Way Catalytic Converter (Wu Twc) Inspection
CAUTION:
-
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..
-
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.
-
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:
Fuel Filler Lid Opener And Lever Removal/Installation
Fuel-filler Lid Opener
1. Open the fuel-filler lid.
2. Remove the nut.
3. Remove the service hole cover on the trunk side trim.
4. While pressing the tabs of the stopper bracket in the direction of arrow (1)
shown in the figure, press it in the direction of arrow (2) to detach it fr ...
Drive Belt Removal/Installation
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
NOTE:
Remove/install the drive belt from the underside of the vehicle.
Generator Drive Belt Removal/Installation
CAUTION:
To prevent damage to the dri ...
Controller Area Network (Can)
Outline
The DSC HU/CM sends and receives data to and from other modules via the CAN
system. Refer to MULTIPLEX COMMUNICATION SYSTEM for a detailed explanation of
the CAN system..
Data sent
Cruise control system-related information
DSC system-related information
...
