Section 406 (Wiper & Washer - Diagnosis): Pre-Check
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
- RAIN DROP SENSING WIPER OPERATION CHECK
- Check that wiper operates properly in INT, LO, HI mode depending on the amount of rain drop on windshield glass when wiper switch AUTO.
- FAIL SAFE FUNCTION
- Wiper operates intermittently depending on the sensitivity control position in wiper switch "AUTO" on the following condition.
- Rain sensor temperature is less than - 10 degrees.
- Rain sensor temperature is more than 80 degrees.
- Rain sensor malfunction.
- Wiper operates intermittently depending on the sensitivity control position in wiper switch "AUTO" on the following condition.