Kia Cee'd: Engine Control System / 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.
The middle waveform is the same as the top waveform because there is no ground for the circuit. With no current flowing in the circuit, the #1 injector is not energized and fuel does not flow.
The bottom waveform shows that ground is supplied and there is a voltage drop across the #4 injector. With current flowing in the circuit, the #4 injector is energized and fuel flows.

Injector Specifications
Specification   Item Specification Coil Resistance (Ω) 1.5 ± 5%[20°C(68°F)] ...

Injector Schematic diagrams
Circuit Diagram ...

Other information:

Kia Cee'd JD Service Manual: Specifications
Specifications   Model D6GF1 Engine Gasoline 1.6 GDI Manual transmission oil Quantity 1.9 ~ 2.0 ℓ (0.50 ~ 0.53 U.S gal., 2.01 ~ 2.11 U.S.qt.,1.67 ~ 1.76 Imp.qt.) ...

Kia Cee'd JD Service Manual: Description and operation
Description Emissions Control System consists of three major systems. • The Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere. This system recycles gas back into the intake manifold (Closed Crankcase Ventilatio ...

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