Hyundai Elantra: Electro Chromic Inside Rear View Mirror / Repair procedures
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.
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If this test is performed in daytime, the ECM may be darkened as soon as the forward facing sensor is covered. |
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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. |
1. |
Remove the mirror wiring cover (A). |
2. |
Remove the mirror connector (A). |
3. |
Remove the mirror (A) pulling up in the arrow direction.
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Make sure not to damage the mounting bracket when removing the mirror. |
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1. |
Install the mirror making sure the mounting bracket not to be damaged. |
2. |
Install the mirror wiring cover and rain sensor cover after reconnecting the connector and tightening the screw. |
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, w ...