Kia Niro 2017 (DE HEV) Service Manual: AVN Antenna Repair procedures
Removal
Roof antenna
1.
Disconnect the negative (-) battery terminal.
2.
Remove the roof trim assembly.
(Refer to Body - "Roof Trim Assembly")
3.
Disconnect the roof antenna cable and connectors (A).
...
Kia Niro 2017 (DE HEV) 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 ...