Mazda 3 Service Manual: EGR Pipe Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the battery and battery tray..
4. Remove the following parts..
-
Fresh-air duct
-
Air cleaner
-
Charge air cooler
-
Air hose
-
Air duct
5. Set the throttle body out of the way..
6. Remove the EGR pipe.
7. Install in the reverse order of removal.
Check Valve (Two Way) Removal/Installation [Mzr 2.0, Mzr 2.5]
Mexico
NOTE:
The check valve (two-way) cannot be removed as it is built into the rollover
valve.
The rollover valve cannot be removed as it is built into the fuel tank.
1. Re ...
EGR Valve Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the EGR valve connector.
4. Measure the resistance between the EGR valve terminals. ...
Other materials:
Tweeter Inspection
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the tweeter..
4. Verify the resistance between tweeter terminals.
If not within the specification, replace the tweeter.
Resistance
Without Bose®: 3.4—4.6 ohms
With Bose®: 3 ...
Door Lock Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Remove the front inner handle..
5. Inspect for continuity between the door lock switch terminals using an ohmmeter.
If not as indicated in the table, replace the door lock ...
Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
1. Remove the air bypass valve..
2. Connect the vacuum pump to the vacuum ports of the air bypass valve.
3. Verify that the airflow is as indicated in the table.
Vacuum
(kPa {mmHg, inHg})
Valve operation condition
Airflow between port A—B
...
