Mazda 3 Service Manual: Filament Inspection
1. Turn the ignition switch to the ON position.
2. Turn the rear window defroster switch on.
CAUTION:
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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 touching it with the foil.
3. Connect the positive lead of the tester to the positive side of each filament and the negative lead to ground.
4. Gradually slide the positive lead from the positive side to the negative side and verify that the voltage decreases accordingly.
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If the voltage changes rapidly, the filament has a malfunction. Repair the filament.
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Measured part
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Voltage (Reference)
|
|
(1) to (2) |
Approx. 11 V to 0 V |
Base Removal
1. Remove the rearview mirror..
2. Wind each end of a wire around a bar.
WARNING:
Using the piano wire with bare hands can cause injury. Always wear gloves
when using the piano wire ...
Filament Repair
1. Clean the filament using isopropyl alcohol.
2. Attach tape to both sides of the filament.
3. Using a small brush or marking pen, apply silver paint.
4. After 2—3 min, carefully remove the ...
Other materials:
Front Door Speaker Inspection
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Remove the front door speaker..
5. Verify the resistance between the front door speaker terminals.
If not within the specification, replace the front door speaker.
...
Antenna Feeder No.4 Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper column cover.
b. Instrument cluster.
c. Center panel.
d. Audio unit (Vehicles with audio unit).
e. Center cover.
f. Dashboard upper panel.
g. Front scuff plate (RH).
h. Front side trim (RH).
3. Dis ...
Trunk Lid Opener Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the trunk lid trim..
3. Remove the high-mount brake light..
4. Remove the trunk lid opener switch..
5. Verify the continuity of trunk lid opener switch terminals A and B.
6. Verify that the continuity is as indicated in the table.
...
