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:
Rear Door Speaker Inspection
1. Disconnect the negative battery cable..
2. Remove the rear door trim..
3. Disconnect the rear door speaker connector..
4. Verify that the resistance between the rear door speaker terminals is as indicated
in the table.
If not as indicated in the table, replace the rear door sp ...
Operational Range
The system operates only when the driver is in the vehicle or within operational
range while the key is being carried.
NOTE
When the battery power is low, or in places where there are high-intensity
radio waves or noise, the operational range may become narrower or the system may
not operate ...
Evaporator Temperature Sensor Inspection [Manual Air Conditioner]
NOTE:
Inspect the evaporator temperature sensor when it is installed to the A/C
unit.
1. Set the fan speed at MAX HI.
2. Set the temperature control at MAX COLD.
3. Set the RECIRCULATE mode.
4. Turn the A/C switch off.
5. Close all doors and windows.
6. Wait for 5 min.
7 ...
