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: Description and Operation

    D

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

    Diagnosis With GDS 1. BSD system defects can be quickly diagnosed with the GDS. GDS operates actuator quickly to monitor, input/output value and self diagnosis. 2. Connect the cable of GDS to the data link connector in driver side crash pad lower panel, and turn on the GDS.

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