Kia Carens: Engine Control System / Injector Troubleshooting

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 [20°C(68°F)] ...

Injector Schematic diagrams

Circuit Diagram (M/T) (A/T) ...

Other information:

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Replacement [Second row seat assembly] (Except Europe and Australia) [5-seat vehicle] (LH)    • Put on gloves to protect your hands. ...

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This warning light illuminates if the engine start/stop button is changed to the ON position and goes off in approximately 3 seconds if the system is operation normally. If the EPB malfunction indicator remains on, comes on while driving, or does not come on when the ignition switch or the engin ...