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..
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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.
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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:
Throttle Body Inspection
Resistance Inspection
1. Disconnect the negative battery cable..
2. Disconnect the throttle body connector.
3. Measure the resistance between throttle body terminals E and F.
Throttle body resistance
1.38 ohms [20°C {68 °F}]
If not as specified, replace the throttle ...
Electrical Fan Control [Skyactiv G 2.0]
Outline
Through cooling of the radiator and condenser by operation of the cooling
fan according to vehicle conditions, engine reliability and cooling performance
have been improved.
Block Diagram
Operation
The PCM determines the demand airflow volume by the following c ...
Remote Handle Lever Removal/Installation
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.
3. Disconnect the remote cable on the remote handle lever side from the remote
cable on the rear seat side.
4. Remove the remote c ...
