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.
-
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:
Front Over Fender Removal/Installation
1. Remove fastener A.
2. Pull the front over fender lower in the direction of the arrow (1) while removing
hook B and pin C.
3. Remove fasteners D.
4. Pull the front over fender upper in the direction of the arrow (2) while removing
clips E.
5. Install in the reverse order of ...
Power Steering
Power Steering
• Power steering is only operable when the
engine is running. If the engine is off or if the power steering system is inoperable,
you can still steer, but it requires more physical effort.
If the steering feels stiffer than usual during normal driving or the steering
vibrate ...
Front ABS Wheel Speed Sensor Inspection
Sensor Output Value Inspection
CAUTION:
Resistance inspection using other testers may cause damage to the ABS wheel-speed
sensor internal circuit. Be sure to use the M-MDS to inspect the ABS wheel-speed
sensor.
1. Switch the ignition to off.
2. Connect the M-MDS to the DLC-2. ...
