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.
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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:
Car Navigation Unit Removal/Installation
CAUTION:
The audio unit communicates with the car-navigation unit and records the
presence/non-presence of the car-navigation unit when the ignition is switched
to ACC or ON (engine off or on) after connecting the negative battery cable.
If the commander switch is installed ...
Magnetic Clutch Adjustment [Manual Air Conditioner]
1. Measure the clearance around the entire circumference between the pressure
plate and A/C compressor pulley using a thickness gauge.
2. Verify the clearance.
If not within the specification, remove the pressure plate and adjust the
clearance by changing the shim (0.2 mm {0.008 i ...
Rear ABS Wheel Speed Sensor Removal/Installation
1. Remove the trunk board..
2. Remove the trunk end trim..
3. Remove the rear scuff plate..
4. Remove the trunk side trim..
5. Disconnect the rear ABS wheel-speed sensor connector.
6. Press the rear ABS wheel-speed sensor tabs and press out the sensor toward
the outside of the vehicl ...
