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.

Rheostat Components and Components Location

C..

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: Injector Troubleshooting

Signal Waveform The three waveforms below are taken from the #1 and #4 injectors. The top waveform is from the high side (feed side) of the #1 and #4 injectors, while the middle waveform is from the low side (ground side) of the #1 injector and the bottom waveform is from the low side of the #4 injector...

Hyundai Sonata LF 2014-2019 Service Manual: Crash Pad Lower Panel Components and Components Location