Mazda 3 Service Manual: Filament Inspection

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 the ...
Other materials:

Fuel Injector Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the fuel injector connector. 4. Inspect the resistance between fuel injector terminals A and B. Fuel injector resistance 11.4—12.6 ohms [20 °C {68 °F}] If not ...

Ignition Coil Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the charge air cooler.. 4. Remove in the order indicated in the table. 5. Install in the reverse order of removal. 1 Connector 2 Ignition coil ...

Side Step Molding Removal
1. Remove the fasteners A. 2. Using the removal tool, disengage clips B in the direction of the arrow (1), (2) shown in the figure. NOTE: Leave the disengaged clip B in place in consideration of the servicing. 3.

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  • Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection

    Mazda 3 Service Manual: Filament Inspection