Hyundai Sonata: Roof Trim / Roof Trim Assembly Repair procedures

Replacement
   
Put on gloves to protect your hands.
   
When prying with a flat-tip screwdriver, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.
Use a plastic panel removal tool to remove interior trim pieces to protect from marring the surface.
Take care not to bend or scratch the trim and panels.
1.
Remove the front seat.
(Refer to Front Seat - "Front Seat Assembly")
2.
Remove the rear seat.
(Refer to Rear Seat - "Rear Seat Assembly")
3.
Remove the front pillar trim.
(Refer to Interior Trim - "Front Pillar Trim")
4.
Remove the canter pillar upper trim.
(Refer to Interior Trim - "Center Pillar Trim")
5.
Remove the rear pillar trim.
(Refer to Interior Trim - "Rear Pillar Trim")
6.
Remove the sub sunvisor.
(Refer to Roof Trim - "Sunvisor")
7.
Remove the sunvisor and retainer.
(Refer to Roof Trim - "Sunvisor")
8.
Remove the assist handle.
(Refer to Roof Trim - "Assist Handle")
9.
Remove the overhead console lamp.
(Refer to Body Electrical System - "Overhead Console Lamp")
10.
Remove the room lamp.
(Refer to Body Electrical System - "Room Lamp")
11.
Disconnect the ECM mirror connector.
(Refer to Body Electrical System - "Electro Chromic Inside Rear View Mirror")
12.
Disconnect the rain sensor.
(Refer to Body Electrical System - "Rain Sensor")
13.
Disconnect the roof trim main connectors (A) and the mounting clips in the front pillar.
[Driver's]

[Passenger's]

14.
Disconnect the connectors (A) and the mounting clips in the rear pillar [RH].

15.
Remove the roof trim mounting clip and remove the roof trim assembly (A).
   
Be careful not to wrinkle on the roof trim.

16.
Disconnect the roof trim main connector (A).

17.
Remove the roof trim assembly (A) from the body panel and then carry it out of the vehicle through the rear door.

18.
Remove the vanity lamp.
(Refer to Body Electrical System - "Vanity Lamp")
19.
Remove roof trim wiring harness (A) from the roof trim (B).
   
Take care not to damage the roof trim wiring harness (A) when removing.

   
1.
Apply the hot melt continuously when installing the roof trim wiring harness (A) on the roof trim (B) using the hot melt gun tool.
2.
Put anti-noise pad on roof trim (B) to prevent the noise.
20.
Install in the reverse order of removal.
   
Make sure the connector is plugged in properly.
Replace any damaged clips.
Roof Trim Assembly Components and Components Location
Component Location 1. Roof Trim Assembly ...

Interior Trim
...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Steering Angle Sensor Specifications
Specification Service Standard DescriptionSpecificationOperating voltage8 ~ 16VOperating temperature-40 ~ 85°C(-40 ~ 185°F)Current consumptionMax.150mAMeasuring rangeAngle-780 ~ 779.9°Angular velocity0 ~ 1016°/secOutput signalCAN Interface ...

Hyundai Sonata LF 2014-2019 Owners Manual: Indicator lights
When the ignition switch is placed to the ON position, the ESC indicator light illuminates, then goes off if the ESC system is operating normally. The ESC indicator light blinks whenever the ESC is operating. If ESC indicator light stays on, your vehicle may have a malfunction with the ESC system ...

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