Mazda 3 Service Manual: 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.
|
EGR valve terminal |
Resistance inspection (ohm) |
|
C―A D―B C―E D―F |
12—16 (At room temperature) |
-
If not within the specification, replace the EGR valve..
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
...
EGR Valve Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant from the radiator..
4. Remove the air cleaner and the air hose as a single unit..
5. Remove ...
Other materials:
Vacuum Hose Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery and battery tray..
2. Remove the vacuum hose from the vacuum hose clip.
3. Insert a thin flathead screwdriver at the point indicated by the arrow in
the figure, push the ring down and disconnect the vacuum hose from the intake manifold.
4. Move the vacuum hose ...
Back Up Light Bulb Removal/Installation
4SD
1. Disconnect the negative battery cable..
2. Remove the trunk rid trim..
3. Disconnect the connector.
4. Rotate the socket in the direction of the arrow as shown in the figure to
remove it.
5. Remove the back-up light bulb.
6. Install in the reverse order of removal.
...
Sunroof Switch Inspection
NOTE:
The sunroof switch is together with the front map light.
1. Disconnect the negative battery cable..
2. Remove the map light from the headliner..
3. Inspect for continuity between the sunroof switch terminals using an ohmmeter.
If not as specified, replace the sun ...
