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:
Accessory Socket
Purpose
By inserting the plug of an electrical device, 12 V (maximum 120 W) of power
is supplied enabling use of the electrical device in the vehicle.
Function
Front accessory socket
When the ignition is switched to ACC or ON (engine off or on), 12 V (maximum
120 W) of pow ...
Cylinder Head Gasket Replacement
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
Fuel vapor is hazardous. It can very easily ignite, causing serious injury
and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakag ...
Rear Suspension
Outline
E-type multi-link rear suspension has been adopted.
The longitudinal span of the rear crossmember was extended and the longitudinal
offset of the rear lateral link attachment position was reduced.
Welding flanges were removed from the rear cros ...
