Hyundai Genesis (DH): Cooling System / Thermostat Troubleshooting

Hyundai Genesis (DH) 2013-2016 Service Manual / Engine Mechanical System / Cooling System / Thermostat Troubleshooting

Troubleshooting
Symptoms
Possible Causes
Remedy
Coolant leakage

    Removal and Installation     Removal of the thermostat will have an adverse effect, leading to lowered cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat.

    Description The AAF (Active Air Flap) is located between radiator grille and radiator, and consists of an actuator and 6 air flaps. The system receives information from EMS, FATC, TCU, MCU and LDC via CAN communication .

    Other information:

    Hyundai Genesis (DH) 2013-2016 Service Manual: Auto Head Lamp Leveling Unit Troubleshooting

    Inspection with GDS Initialization and diagnosis sequence by using GDS equipment. The following is the summarized A/S procedure. NoProcedure1Park the vehicle on level ground2Tire check3IGN1 ON4Head lamp Low Beam ON5Connection with diagnostic tool6Initial command by diagnostic tool7Clear DTC Code8IGN1 OFF > ON9Re- Connection with diagnostic t

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

    Inspection 1. Turn the ignition switch ON. 2. Connect the GDS. 3. Emit intensive light toward the photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and fall with lower intensive light.

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