Mazda 3 Service Manual: Warm Up Three Way Catalytic Converter (Wu Twc) Inspection [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Emissions / Warm Up Three Way Catalytic Converter (Wu Twc) Inspection [Mzr 2.0, Mzr 2.5]

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 WU-TWC..

Rollover Valve Removal/Installation [Mzr 2.0, Mzr 2.5]

NOTE: The rollover valve cannot be removed as it is built into the fuel tank. 1. Remove the fuel tank.. ...

Brake Fluid Pressure Sensor Inspection

1. Switch the ignition to off. 2. Install the SSTs to the master cylinder (secondary side) as shown in the figure. NOTE: When installing the SST (49 D043 0A0) to the master cylinder, ...

Other materials:

Trunk Lid Removal/Installation
WARNING: Removing the trunk lid stay damper without supporting the trunk lid can be dangerous. The trunk lid may fall and injure you. Be sure to open the trunk lid completely and support it securely before removing the trunk lid stay damper. 1. Disconnect the negative battery cab ...

Vehicle Speed Sensor (VSS) Removal/Installation [FS5 A EL]
CAUTION: If foreign materials are stuck to the sensor, disturbance by magnetic flux can cause sensor output to be abnormal and thereby negatively affect control. Make sure that foreign materials such as iron filings are not stuck to the sensor during installation. 1. Perform t ...

Schedule 2
Chart symbols: I: Inspect: Inspect and clean, repair, adjust, fill up, or replace if necessary. R: Replace L : Lubricate C: Clean T: Tighten Remarks: *1 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL-22 may cause serious damage to the en ...