Hyundai Genesis (DH): Fuel Delivery System / Fuel Pressure Sensor (FPS) Troubleshooting

Fail-Safe Mode
Item
Fail-Safe
Duty (%)
85

   
If the fuel pressure sensor malfunctions, it enters fail safe mode. This means that the fuel pressure rises to match the increasing value of the current level and the pressure in the low pressure fuel line remains static despite the rising fuel pressure.

    Circuit Diagram

    Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Check the output voltage of fuel pressure sensor (FPS). Specification: Refer to

    Other information:

    Hyundai Genesis (DH) 2013-2016 Service Manual: CO2 Sensor Description and Operation

    Description This system maintains the density of carbon dioxide constantly in vehicle interior by measuring the amount of carbon dioxide to increase the comfortableness and the fuel consumption rate when air conditioning system is operating.

    Hyundai Genesis (DH) 2013-2016 Service Manual: Auto Defogging Actuator Repair procedures

    Inspection 1. Turn the ignition switch OFF. 2. Disconnect the auto defogging connector. 3. Verify that the auto defogging actuator operates to the open position when connecting 12V to terminal 3 and grounding terminal 4. Verify that the auto defogging actuator operates to the close position when connected in reverse.

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