Hyundai Sonata: Lighting System / Rear Combination Lamp Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Loose the nuts (4EA) holding the rear combination lamp then disconnect the connector (A) then remove the outside rear combination lamp assembly.

3.
Remove the bulb (A) after turnicng in the counter clock-wise direction.

4.
Remove the inside rear combination lamp assembly (A) after loosening the nuts (3EA) and disconnecting the connector (B).

5.
If it is necessary to replace the bulb, remove the bulb after removing the trunk lid trim.
6.
Remove the bulb (A) after separating the inside rear combination lamp assembly.

Installation
1.
Install the inside combination lamp assembly after assembling the bulb.
2.
Install the rear combination lamp assembly after assembling the bulbs and connecting the lamp connector.
High Mounted Stop Lamp Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the rear package tray trim. (Refer to Body - "Rear Package Tray Trim") 3. Remove the high mounted stop lamp after diseng ...

Auto Lighting Control System
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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Battery Repair procedures
Removal 1. Remove the air duct. (Refer to Engine Mechanical System - "Air Cleaner") 2. Disconnect the battery (-)terminal (A) and then (+)terminal (B). 3. Remove the TCM. (Refer to Automatic Transaxle System - "Transaxle Control Module (TCM)") 4. Remove the battery mounting bracket ...

Hyundai Sonata LF 2014-2019 Service Manual: Heated Oxygen Sensor (HO2S) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 2 and 5 [B1/S1]. 4. Measure resistance between the HO2S terminals 3 and 4 [B1/S2]. 5. Check that the resistance is within the specification. Specifica ...

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