Sunlight Sensor Test

NOTE: Before testing the sensor, check for climate control DTCs.

1. Sunlight Sensor - Test

2P connector

7P connector
1.
Pull out the sunlight sensor (A).
2.
Turn the vehicle to the ON mode.
3.
Measure the voltage between (+) probe on terminal No. 2 and (-) probe on terminal No. 1 (2P connector) or No. 3 (7P connector) connector connected.
NOTE: The voltage readings will not change under the light of a flashlight or a fluorescent lamp.
Voltage should be:
3.56 V with no sunlight or the sensor covered up
Less than 3.56 V with sunlight on the sensor
(depending on sunlight intensity)
4.
If the voltage is not as specified, replace the sunlight sensor.