Hyundai Santa Fe: Immobilizer System / Immobilizer Control Unit. Repair procedures
1. |
Disconnect the negative (-) battery terminal.
|
2. |
Remove the glove box housing.
(Refer to Body - "Glove Box Housing Cover")
|
3. |
Disconnect the connector (A) and then remove the IBU (B) after loosening
a nut.

|
1. |
Install the IBU after connecting the unit connector.
|
2. |
Install the glove box housing.
|
3. |
Connect the negative (-) battery terminal.
|
Diagnosis with diagnostic
tool
1.
In the body electrical system, failure can be quickly diagnosed by using
the vehicle diagnostic system (diagnostic tool)...
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel...
Other information:
Troubleshooting
Category
Error symptoms
inspection item
Detailed inspection item
Related parts
Lighting
•
HUD not working
•
Lighting brightness not automatically controlled (no difference
between day and night)
•
Check the lighting control
•
Check the ambient light sensor operation
•
Check the CAN communication
•
Check the lighting control in the cluster USM
→ If working, HUD has no problem...
Inspection
Tolerance Compensation
Tolerance compensation compensates for the error margins of surround view video
that occur due to the installation tolerance when the four cameras that comprise
the SVM system are installed.
You must carry out tolerance compensation if you do any of the following...
Categories

1. Driver’s front air bag
2. Passenger’s front air bag
3. Side air bag
4. Curtain air bag
The vehicles are equipped with a Supplemental Air Bag System for the driver’s
seat and front passenger’s seats.
The front air bags are designed to supplement the three-point seat belts. For
these air bags to provide protection, the seat belts must be worn at all times when
driving.
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