RX 300 FWD V6-3.0L (1MZ-FE) (1999)
Ambient Light Sensor: Symptom Related Diagnostic Procedures
The table will be useful for you in troubleshooting these electrical problems. The most likely caution of the malfunction are shown in the order of their
probability. Inspect each part in the order shown and replace the pant when it is found to be faulty.