Dash Lights Brightness Controller Test

Dash Lights Brightness Controller Test

1. Remove the instrument panel. Instrument Panel Removal/Installation

2. Remove the switch (A) from the instrument fascia.

3. Measure the resistance between terminals No. 4 and No. 5 while rotating the adjusting dial. The resistance should vary from 0 to 20 kOhms as the dial is rotated.

4. Check for continuity between terminals No. 3 and No. 6 with the dial rotated to CANCEL position. There should be no continuity.

5. If necessary, check the illumination bulb (B).