Hyundai Sonata: Description and Operation - Electro chromic Inside Rear View Mirror - Body Electrical System - Hyundai Sonata YF 2011-2018 Service ManualHyundai Sonata: Description and Operation

Description

The ECM (Electro Chromatic inside rear view Mirror) is for dimming the reflecting light from a vehicle behind at night, Preventing glare from the light. The forward facing sensor detects brightness of the surroundings, while the rearward looking sensor detects the strength of the reflecting light and adjusts the reflexibility of the mirror in the range of 7~85%. But, when the reverse gear is engaged, it stops functioning.
1.
The forward facing sensor sees if the brightness of the surroundings is low enough for the mirror to operate its function.
2.
The rearward looking sensor detects glaring of the reflecting light from a vehicle behind.
3.
The ECM is darkened to the level as determined by the rearward looking sensor. When the glaring is no longer detected, the mirror stops functioning.
1. LED indicator
2. ON/OFF Switch
3. Rearward looking sensor
4. Forward looking sensor


    Repair procedures
    Inspection Check it by the procedure below to see if the function of the ECM is normal. 1. Turn the ignition key to the "ON" position. 2. ...

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    ESC operation
    ESC ON condition When the ignition is turned ON, ESC and ESC OFF indicator lights illuminate for approximately 3 seconds, then ESC is turned on. Press the ESC OFF button for at least half a ...