1. Use isopropyl alcohol to clean around the damaged section of the filament.
2. Attach tape above and below the damaged section of the filament.

3. Using a small brush or marking pen, repair the filament with silver paint or equivalent.
4. After 2-3 minutes,
carefully remove the tape without disturbing the repaired area.
Caution
5. Use a hot air blower heated to 150 °C {302 ° F}
for 30 minutes
or let the paint set for 24 hours at 25 ° C {77 ° F}
to allow it to dry completely.
Filament inspectionMazda 6 Service Manual: Variable air duct (vad) control solenoid valve inspection (l3)
1. Remove the VAD control solenoid valve. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
2. Inspect airflow between the ports under the following conditions.
If not as specified, replace the VAD control solenoid valve.
If as specified, carry out the Circuit Open/Short Inspection.
Circ ...
Mazda 6 Service Manual: System wiring diagram
ABS (ABS/TCS)
DSC
FOREWORD
Before performing the steps in Symptom Troubleshooting, perform the
On-board Diagnostic Inspection. To check the DTC, follow the DTC Inspection
steps.
...