Mazda 3 Service Manual: Filament Inspection

Mazda 3 Service Manual / Body / Glass & Windows / 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:

Front Bumper Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the screw A and fasteners B. 3. Remove the screws C. 4. Remove the bolts D. 5. Remove the fasteners E, screw F and fastener G. 6. Pull the front bumper in the direction of the arrow in the order of (1), (2) and (3), the ...

Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage. If there is any malfunction, replace the heater core. 2. Visually inspect the fins for bending. If there is any bending, use the end of a flathead screwdriver to straighten the fins. 3. Visually inspect ...

Information on Temporary Tires
Please refer to the sample below Temporary tires Nominal width of tire in millimeters Ratio of height to width (aspect ratio) Diagonal Rim diameter code Load index & speed symbol T115/70D16 90M is an example of a tire size and load index rating. Here is an explanation of ...