Hyundai Tucson: Electro Chromic Inside Rear View Mirror / Repair procedures

- Removal

1.Disconnect the negative (-) battery terminal.

2.Remove the inside rear view mirror cover (A) and (B).

3.Disconnect the inside rear view mirror connector (A).

4.Loosen the mounted screws and push the ECM mirror base upward to remove the ECM mirror assembly (A).

- 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 backward looking sensor.

4.The ECM should be darkened as soon as the rearward looking sensor detects the light.

   

If this test is performed in daytime, the ECM may be darkened as soon as the forward facing sensor is covered.

5.When the reverse gear is engaged, the ECM should not be darkened.

6.When heading lights to both the forward facing and rearward looking sensors, the ECM should not be darkened.

- 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.