Hyundai Sonata LF: Lighting System / Rheostat Repair procedures
Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Lighting System / Rheostat Repair procedures
| Inspection |
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel") |
| 3. |
Remove the lower crash pad switch assembly (A) after disengaging the mounting clip.
|
| 4. |
Remove the rheostat switch connector (A).
|
| 5. |
Check for intensity of new rheostat switch. If the light
intensity of the lamps changes smoothly without any flickering when the
rheostat is turned, it can be assumed that the rheostat is normal.
|
Front Fog Lamps Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the front bumper. (Refer to Body - "Front Bumper Cover") 3. Disconnect the front fog lamp connector (A)...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Rear Pillar Trim Components and Components Location
C..
Hyundai Sonata LF 2014-2019 Service Manual: Alternator Schematic Diagrams
Circuit Diagram • COM signal - When controlling the voltage generated, the ECM sends the target voltage data to the alternator via a PWM signal.(High voltage: 4V or higher, low voltage: 2V or lower) • FR signal - The transistor activation signal inside the alternator monitors the voltage generated by the alternator to control the excitation current before it sends the FR signal to the ECM...
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