One Time Illumination Switch: Inspection
WARNING: This page is about a different car, the 2021 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
- Measure the resistance between connector terminals.
Preparation tool:
Circuit tester
Terminal No. Inspection conditions Standard 1 - 4 OFF 1 MΩ or more ON Less than 1 Ω - Apply battery voltage between the connector terminals to check lighting condition of illumination inside the switch.CAUTION: When applying battery voltage, do not mix up the positive (+) side and the negative (-) side.
Incorrect polarity connection may cause LED damage inside the switch.Terminal No. Inspection conditions Specification 2 (+) - 3 (-) Apply battery voltage Light ON - Replace the one-touch interior light switch if it is found defective.