Hyundai 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
|
Components and Components Location
Components
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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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See also:
Components and Components Location
Components Location
1. Fuel Tank
2. Fuel Pump
3. Fuel Filter
4. Fuel Pressure Regulator
5. Canister
6. Fuel Tank Air Filter
7. Fuel Tank Pressure Sensor ( ...
Overhead Console Lamp. Repair procedures
Inspection
Remove the overhead console lamp assembly then check for continuity between
terminals. If the continuity is not as specified, replace the map lamp switch.
Removal
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Troubleshooting
Troubleshooting
Trouble Symptom
Probable cause
Remedy
Vehicle pulls to one side
Scoring of driveshaft ball joint
Replace
...
