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:
Remote Transmitter Battery Voltage Inspection
NOTE:
Because the remote transmitter battery power cannot be determined using the
battery itself, determine by the remote transmitter battery low warning operation
conditions.
Operation procedure for remote transmitter battery low warning
1. Place the remote transmitter inside t ...
Liftgate Upper Trim Removal/Installation
1. Take the shaded area shown in the figure, detach tab A while pulling the liftgate
upper trim in the direction of the arrow (1) shown in the figure, then detach clips
B, clip C and pin D while pulling in the direction of the arrow (2).
2. Take the shaded area shown in the figure, detach ...
Cylinder Head Gasket
Purpose, Function
The cylinder head gasket is installed between the cylinder head and cylinder
block to prevent leakage of air-fuel mixture, combustion gas, engine oil, and
engine coolant.
Construction
A four-layer type metal gasket has been adopted for the cylinder head ga ...
