Mazda 3 since 2003
1. Operation and maintenance of the car
2. Engine
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
7.1. General information
7.2. System of power supply
7.3. System of lighting
7.4. Screen wipers and windscreen washers
7.5. Immobilizer
7.6. Checks of electric equipment
7.6.1. Mode of check of input-output of a combination of devices
7.6.2. Check of the loudspeaker of a forward door
7.6.3. Check of the forward loudspeaker of the top sound frequencies
7.6.4. Check of an antenna feeder
7.6.5. Check of the switch of control of the audio system
7.6.6. Check of the electric motor of a window regulator with the servo-driver
7.6.7. Check of the main switch of a window regulator with the servo-driver
7.6.8. Check of the switch of a window regulator with the servo-driver
7.6.9. Check of thread of heating of back glass
7.6.10. Check of external mirrors with the electric drive
7.6.11. Check of the switch of external mirrors with the electric drive
7.6.12. Check of the lock and executive mechanism of the lock of a back door
7.6.13. Check of the lock and executive mechanism of the lock of a forward door
7.6.14. Check of operating lighting switch on the dashboard
7.7. Tables
8. Body
 








7-6-9-proverka-niti-obogreva-zadnego-stekla.html

7.6.9. Check of thread of heating of back glass

Install the ignition switch in position of ON.
Include a heater of back glass.


Проверка нити обогрева заднего стекла
Fig. 7.90. Check of thread of heating of back glass



ATTENTION
The contact of thread of heating of back glass with the probe of a tester can lead to thread damage. Wrap up aluminum foil around the end of the probe and check thread, concerning its foil (fig. 7.90);


Подключение щупа тестера к концам нити
Fig. 7.91. Connection of the probe of a tester to the ends of thread


Connect the positive probe of a tester to the positive end of each thread, and the negative probe to the mass of a body (fig. 7.91);
Moving the positive probe from the positive end of thread to negative be convinced that tension decreases respectively.
If tension changes quickly, thread is faulty. Repair thread.


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7.6.8. Check of the switch of a window regulator with the servo-driver
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7.6.10. Check of external mirrors with the electric drive