Dash Illumination Controller
WARNING: This page is about a different car, the 2002 Suzuki XL-7, 2002 Suzuki Vitara, and 2002 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
Remove dash illumination controller and disconnect connector. Apply positive battery voltage to terminal No. 1 and ground to terminal No. 3. Connect test light between positive battery voltage and terminal No. 2. See Fig 1 . Rotating knob clockwise should brighten test light. Rotating knob counterclockwise should dim test light. If test light does not respond as specified, replace dash illumination controller.