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:
Restraints SST
49 H066 002
Deployment tool
49 B066 004
Adapter harness
49 L066 002
Adapter harness
49 G066 003
Adapter harness
49 N088 0A0
Fuel and Thermometer checker
...
Drive Belt Inspection
Generator Drive Belt
NOTE:
The generator drive belt deflection/tension inspection is not necessary with
the adoption of the drive belt auto tensioner.
1. Verify that the indicator part of the cast hexagon on the drive belt auto
tensioner is within the normal range.
If ...
Aerodynamic
Purpose/Function
For improved aerodynamics, under covers are installed to the under-surface
of the vehicle.
Construction
The vehicle is equipped with the following (3) under covers.
Front under cover No.1
Front under cover No.2
Floor under co ...
