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:
Mass Air Flow (MAF) Sensor
Purpose/Function
Detects the intake airflow amount introduced into the cylinder as basic information
for mainly determining the fuel injection amount.
Detects the intake airflow amount introduced into the cylinder and inputs
it to the PCM as an intake airflow amount signal.
...
Fuel Filler Lid Opener Cable Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front scuff plate (LH).
b. Front seat (LH).
c. Rear scuff plate.
d. B-pillar lower trim (LH).
e. Rear seat (4:2:4 split type).
f. Rear seat cushion (6:4 split type).
g. Rear seat back (6:4 split type).
h. ...
A/C Cut Off Control [Skyactiv G 2.0]
Outline
Controls the A/C operation by switching the A/C relay ON/OFF at the optimal
timing according to engine operation conditions. Acceleration performance and
A/C compressor reliability have been improved by controlling the A/C operation.
Block Diagram
Operation
The ...
