Hyundai Sonata: Smart Key System / Smart Key Unit Repair procedures
Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Smart Key System / Smart Key Unit Repair procedures
| Removal |
Smart Key Unit
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Remove the glove box.
(Refer to Body - "Glove Box Upper Cover Assembly") |
| 3. |
Remove the smart key unit (B) after disconnecting the connectors (A) and loosening the bolt and nut.
|
Interior 1 Antenna
Take care not to scratch the crash pad and related parts. |
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Remove the crash pad center panel.
(Heating, Ventilation and Air Conditioning - "Controller") |
| 3. |
Remove the interior 1 antenna (A) after loosening the mounting screws and disconnect the connector (B).
|
Interior 2 Antenna
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Remove the rear console cover.
(Refer to Body - "Rear Console Cover") |
| 3. |
Remove the interior 2 antenna (B) after loosening the mounting screw (2EA) and disconnecting the connector (A).
|
Trunk Antenna
| 1. |
Disconnect the negative (-) battery terminal |
| 2. |
Remove the rear transverse trim.
(Refer to Body - "Trunk Trim") |
| 3. |
Remove the trunk antenna (B) after disconnect the connector (A) and loosening the mounting nuts.
|
Rear Bumper Antenna
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Remove the rear bumper cover.
(Refer to Body - "Rear Bumper Cover") |
| 3. |
Remove the rear bumper antenna (B) after disconnect the connector (A) and loosening the mounting nuts.
|
Buzzer
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Remove the front left wheel guide. |
| 3. |
Remove the buzzer (A) after disconnect the connect.
|
Door Outside Handle
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Remove the front outside door handle.
(Refer to Body - "Front Door Outside Handle")
|
Trunk Open Switch
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Remove the trunk lid trim.
(Refer to Body - "Trunk Lid Trim") |
| 3. |
Disconnect the trank open switch connector (A).
|
| 4. |
Remove the trunk open switch after disengaging mounting clip.
|
| Inspection |
Smart Key Unit
(Refer to Smart Key System - "Smart Key Diagnostic")
Smart Key Switch
(Refer to Smart Key System - "Smart Key Diagnostic")
Antenna
(Refer to Smart Key System - "Smart Key Diagnostic")
Door Outside Handle
| 1. |
Disconnect the front door outside handle connector (A).
|
| 2. |
Check for continuity between terminals No 3 and No 6.
|
Trunk Switch
| 1. |
Check for continuity between the tailgate latch terminals.
|
| 2. |
If continuity is not specified, inspect the switch
|
| Installation |
Smart Key Unit
| 1. |
Install the smart key unit. |
| 2. |
Install the smart key unit mounting bolts and connect the connector. |
| 3. |
Install the glove box. |
| 4. |
Install the negative (-) battery terminal and check the smart key system. |
Interior 1 Antenna
| 1. |
Install the interior 1 antenna. |
| 2. |
Install the crash pad center panel. |
| 3. |
Install the negative (-) battery terminal and check the smart key system. |
Interior 2 Antenna
| 1. |
Install the interior 2 antenna. |
| 2. |
Install the console rear complete assembly. |
| 3. |
Install the negative (-) battery terminal and check the smart key system. |
Trunk Antenna
| 1. |
Trunk mounted antenna. |
| 2. |
Install the rear transverse trim. |
| 3. |
Install the negative (-) battery terminal and check the smart key system. |
Rear Bumper Antenna
| 1. |
Install the rear bumper antenna. |
| 2. |
Install the rear bumper cover. |
| 3. |
Install the negative (-) battery terminal and check the smart key system |
Door Outside Handle
| 1. |
Install the outside handle. |
| 2. |
Install the front outside door handle. |
| 3. |
Install the negative (-) battery terminal and check the smart key system. |
Trunk Open Switch
| 1. |
Install the trunk open switch. |
| 2. |
Install the rear trunk trim |
| 3. |
Install the negative (-) battery terminal and check the smart key system |
Smart Key Unit Schematic Diagrams
Circuit Diagram
...
Smart Key Diagnostic Repair procedures
Inspection
Self Diagnosis with Scan Tool
It will be able to diagnose defects of SMART KEY system with
GDS quickly. GDS can operates actuator forcefully, input/output value
monitoring and self ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Positive Crankcase Ventilation (PCV) Valve Repair procedures
Removal
1.
Disconnect the PCV hose (A).
2.
Remove the PCV valve (B).
Inspection
1.
Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger moves.
If the plunger does not move (PCV valve is clogged), clean or replace the val ...
Hyundai Sonata LF 2014-2019 Service Manual: CVVT Oil Control Valve (OCV) Specifications
Specification
ItemSpecificationCoil Resistance (?)6.9 ~ 7.9 [20°C(68°F)]
...
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