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:
Electric Variable Valve Timing Motor/Driver Removal/Installation
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
Applying excessive force (force of 100 N {10.2 kgf, 22.5 lbf} or more) to
the electric variable valve timing motor/driver may cause a malfunction. When
...
Piston, Piston Ring, Piston Pin
Purpose, Function
Piston
The piston in the cylinder of the cylinder block moves reciprocally by the
pressure received when the air-fuel mixture combusts.
Piston ring
The piston ring consists of the compression ring (top ring, second ring)
and the oil ring, and has the foll ...
D Pillar Speaker Inspection
D-pillar speaker
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Trunk board.
b. Trunk end trim.
c. Rear scuff plate.
d. Trunk side trim.
e. D-pillar trim.
3. Disconnect the D-pillar speaker connector..
4. Verify that the resistance between the D-pillar ...
