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..
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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:
Shift Point Control (Automatic Shift Control) [Fw6 A EL, Fw6 Ax EL]
Outline
The TCM implements auto shift control according to the vehicle speed and
accelerator pedal depression amount while in D position.
When the vehicle is stopped with the selector lever is in the D position
and the brake pedal depressed, the neutral idle control is performed ...
Ultra High Tension Steel [Construction]
Characteristics of Ultra High-Tensile Steel Plates
Ultra high-tensile steel plates have enhanced tensile strength compared to
previous high-tensile steel plates.
Because the strength is maintained even though the plates are thin-walled,
the ultra high-tensile steel plates ar ...
Brake Hose (Front) Removal/Installation
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
3. After installation, add brake fluid, bleed the air, and inspect for fluid
leakage..
1
Brake pipe
2
Clip
3
Bolt
...
