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. | •
| 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 inside rear view mirror cover (A). 
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| 2. | Using a remover and remove the rain sensor cover (A). 
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| 3. | Disconnect the inside rear view mirror connector (A). 
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| 4. | Loosen the mounting screw and remove the inside rear view mirror (A). 
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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. |
Other information:
Components and components location
ComponentsConnector Pin Information
Pin no
Connector A
Connector B
Connector C
1-B (+)Slide switch signal (Forward)2Reclining motor (Forward)GND(Power)Reclining switch signal (Forward)3Height motor (Up)B (+)Front tilt switch signal (Up)4Slide motor (Forwa..
Repair procedures
Diagnosis with Diagnostic toolDiagnosis with Diagnostic tool1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).The diagnostic system (Diagnostic tool) provides the following information.(1)Fault Code Searching : Checking failure and code number (DTC)(2)Data Analysis : Checking the system input/output data ..