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:
Blind Spot Monitoring (Bsm) Warning Alarm
Purpose
The Blind Spot Monitoring (BSM) warning alarm warns the driver of a possible
accident.
Function
If the instrument cluster receives a warning sound request signal from the
BSM control module (RH), it sounds the BSM warning alarm using the buzzer in
the instrument ...
Rear Washer Nozzle Adjustment
CAUTION:
If the nozzle angle is adjusted with excessive force by strongly inserting
a needle or similar thin tool into the injection nozzle of rear washer nozzle,
it could damage the nozzle internally. When adjusting the nozzle, be careful
not to apply excessive force.
1. Inse ...
Windshield Wiper Motor
Purpose
The windshield wiper motor transmits rotation force to the windshield wiper
link to operate the windshield wiper arms and blades.
Function
The windshield wiper motor operates using the current from the front body
control module (FBCM) which is input according to the ...
