Mazda 3 Service Manual: Auto Dimming Mirror Inspection
1. Measure the voltage at each terminal.
-
If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under “Inspection item (s)” and related wiring harnesses.
-
If the system does not work properly even though the inspection items or related wiring harnesses do not have any malfunction, replace the auto-dimming mirror.
Terminal Voltage Table (Reference)
|
Terminal |
Signal name |
Connected to |
Measured condition |
Voltage (V) |
Inspection item(s) |
|
A |
Power supply (IG1) |
|
Switch the ignition to ON |
B+ |
|
|
Switch the ignition to Off |
1.0 or less |
||||
|
B |
R position signal |
Back-up light switch/TR switch |
R position |
B+ |
|
|
Other than R position |
1.0 or less |
||||
|
D |
GND |
Body ground |
Under any condition |
1.0 or less |
|
Mirrors
...
Auto Dimming Mirror Installation
1. Install the auto-dimming mirror onto the base.
2. Install the screw.
3. Connect the auto-dimming mirror connector.
4. Connect the negative battery cable.. ...
Other materials:
Filament Inspection
1. Turn the ignition switch to the ON position.
2. Turn the rear window defroster switch on.
CAUTION:
Directly touching the rear window defroster filament with the lead of the
tester could damage it. Wrap aluminum foil around the end of the lead and inspect
the filament by touc ...
Map Light Inspection
1. Disconnect the negative battery cable..
2. Remove the map light..
3. Verify that the continuity between the map light terminals is as indicated
in the table.
If not as indicated in the table, inspect the bulb. If there is no malfunction,
replace the map light.
4. ...
Front Door Key Cylinder Removal/Installation
1. To access the glass installation bolt, position the front door glass so that
the distance from the top of the front door glass to the upper part of the front
beltline molding is approx. 80 mm {3.1 in}.
2. Disconnect the negative battery cable..
3. Remove the following parts:
a. Inne ...
