Defogger Relay
WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
Inspect the defogger relay continuity. See CONNECTOR IDENTIFICATION . See INSPECTING DEFOGGER RELAY CONTINUITY table. If continuity is not as specified, replace the relay.
INSPECTING DEFOGGER RELAY CONTINUITY
| Condition | Tester Connection | Specified Condition |
|---|---|---|
| Constant | 1 - 2 | Continuity |
| Apply B+ Between Terminals 1 & 2 | 3 - 4 | Continuity |