Hyundai Tucson (LM) 2010-2015 Service Manual: Description and Operation
Description
The ECM (Electro Chromatic inside rear view Mirror) is for
dimming the reflecting light from a vehicle behind at night, in order
the user not to be dazzled by the light. The forward facing sensor
detects brightness of the surroundings, while the rearward looking
sensor the str ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Photo Sensor Repair procedures
Inspection
1.
Ignition "ON"
2.
Using the scan tool.
3.
Emit intensive light toward photo sensor using a lamp, and check the output voltage change.
4.
The voltage will rise with higher intensive light and reduce with lower intensive light.
1. Sensor Ground2. 5V (Vcc)3. Photo Sensor ...