Hyundai Santa Fe (TM): Electro Chromic Inside Rear View Mirror
Description and operation
| Description |
The ECM (Electro Chromatic inside rear view Mirror) is intended dim the reflecting
light in the rear view mirror. The forward facing sensor detects brightness
of the surroundings, while the rearward looking sensor is for the light from
the rear. The strength of the light in the rear sensor is used by the mirror
to adjust the shading. It ranges from 7 to 85%. 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 )
|
| Automatic-dimming Function |
To protect your vision during nighttime driving, your mirror will automatically
dim upon detecting glare from the vehicles traveling behind you. The auto-dimming
function can be controlled by the Dimming ON/OFF Button :
| 1. |
Pressing and holding the Feature Control button for more than 3 but
less than 6 seconds turns the auto-dimming function OFF which is indicated
by the green Status Indicator LED turning off.
|
| 2. |
Pressing and holding the Feature Control button again for more than
3 but less than 6 seconds turns the auto-dimming function ON which is
indicated by the green Status Indicator LED turning on.
|
Components and components location
| Components |
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. |
Cover the forward facing sensor.
|
| 3. |
Head a light to the rearward looking sensor.
|
| 4. |
The ECM should be darkened as soon as the rearward looking sensor detects
the light.
|
| 5. |
When the reverse gear is engaged, the ECM should not be darkened.
When heading lights to both the forward facing and rearward looking
sensors, the ECM should not be darkened.
|
| Removal |
| 1. |
Disconnect the negative (-) battery terminal.
|
| 2. |
Remove the mirror wiring cover (A) and (B).
|
| 3. |
Remove the mirror mounting screw and connector (A).
|
| 4. |
Remove the mirror pulling up in the arrow direction.
|
| Installation |
| 1. |
Install the mirror making sure the mounting bracket not to be damaged.
|
| 2. |
Install the mirror wiring cover after reconnecting the connector and
tightening the screw.
|
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