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 tape without damaging the applied area.
CAUTION:
Do not operate the rear window defroster until the paint is completely dry. It may cause other malfunctions if it is used before the paint is dry.
5. Dry the repaired part according to the following procedure.
When the room temperature is 25 °C {77 °F},
leave it as it is for 24 h.
When a hot air blower is used, dry with the 150 °C {302 °F}
air for 30 min.
Filament Inspection
Glass/Windows/MirrorsPassenger Compartment Temperature Sensor [Full Auto Air Conditioner]
Purpose
The passenger compartment temperature sensor detects the cabin temperature.
Function
The passenger compartment temperature sensor converts the detected temperature
to an electric signal.
Construction
A thermistor-type passenger compartment temperature sens ...
Fuel Pump Unit
Purpose, Function
Supplies fuel in the fuel tank to the high pressure fuel pump.
Based on the control signal from the PCM, the fuel pump operates by the operation
of the fuel pump relay and the fuel pump control module.
Construction
2WD
The fuel pump unit is installed ...
Filament Inspection
1. Switch the ignition ON (engine off).
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 ...