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Solar Sensor

WARNING: This page is about a different car, the 2001 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

Remove solar sensor from top center of instrument panel. Disconnect harness connector. Cover sensor with cloth. Measure resistance between sensor terminals. Remove cloth. Subject sensor to bright light. Measure resistance between sensor terminals. See SOLAR SENSOR RESISTANCE SPECIFICATIONS  table. If resistance is not as specified, replace sensor.

SOLAR SENSOR RESISTANCE SPECIFICATIONS

Condition (1) Ohms
Sensor Covered By Cloth No Continuity
Sensor Subjected To Bright Light Less Than 10,000
(1) As light intensity decreases, resistance should increase.