SC300 & SC400
WARNING: This page is about a different car, the 1992 Lexus SC 400, 1992 Lexus SC 300, 1992 Lexus LS 400, and 1992 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect negative battery cable. Pry rearward edge of speaker grill and remove. Remove 6 screws and door upper trim panel. Remove screws and disconnect electrical connector. Remove mirror assembly.
- Connect battery voltage to mirror assembly connector terminal No. 7 and ground terminal No. 8. See Fig 1. If mirror does not become warm after a few moments, replace mirror assembly.