Kia Sportage: Engine Control System / Injector Troubleshooting

Kia Sportage QL (2015-2023) Service Manual / Engine Control / Fuel System / 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 Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the injector connector. 3. Measure resistance b ...

Purge Control Solenoid Valve (PCSV) Specifications
Specification Item Specification Coil Resistance (Ω) 22.0 - 26.0 [20°C(68°F)] ...

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