Mazda 3 Service Manual: 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 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.
-
If the voltage changes rapidly, the filament has a malfunction. Repair the filament.
|
Measured part
|
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 t ...
Other materials:
Mass Air Flow (MAF) Sensor/Intake Air Temperature (Iat) Sensor No.1 Removal/Installation
[Skyactiv G 2.0]
CAUTION:
Be careful not to hit the sensor element or allow foreign matter to get on
it during sensor removal/installation. If the sensor element is hit or foreign
matter gets on it, an error may occur in the sensor output signal resulting
in deterioration in the engine control.
...
Supplier Identification Procedure [Audio]
Identification Using the Label or Inscribed Lettering
1. Disconnect the negative battery cable..
2. Remove the center panel..
3. Remove the audio unit..
4. Verify the supplier by referring to the label attached to each unit.
Verify Using the Diagnostic Assist Function
Without display
...
Uniform Tire Quality Grading System
(UTQGS)
This information relates to the tire grading system developed by the U.S.
National Highway
Traffic Safety Administration for grading tires by tread wear, traction, and
temperature
performance.
Tread Wear
The tread wear grade is a comparative rating based on the wear rate of the
tire when t ...
