Hyundai Genesis (DH): Brake System / Stop Lamp Switch Troubleshooting

Hyundai Genesis (DH) 2013-2016 Service Manual / Brake System / Brake System / Stop Lamp Switch Troubleshooting

Troubleshooting
1.
Part diagnosis
Items
Cause
Symptom
Remedy
Switch fuse
Faulty fuse connection, Damaged fuse
-
DTC Code : P0504
-
Symptom : Shifting gear trouble, Starting failure, Cruise control function cancelation trouble, EPB function cancelation trouble, Stop lamp lighting trouble, ESP OFF light illuminated.
 A waveform inspection is performed using an oscilloscope on each part during vehicle acceleration/braking. (Refer to stop lamp switch circuit inspection procedures)

Refer to the relevant repair procedures of the part when something abnormal is discovered in the waveform (Refer to the repair procedures of the relevant part and if necessary replace it)
Relay fuse
Faulty fuse connection, Damaged fuse
-
DTC Code : P0504
-
Symptom : Shifting gear trouble, Starting failure, Cruise control function cancelation trouble, EPB function cancelation trouble, Stop lamp lighting trouble , ESP OFF light illuminated.
Stop lamp switch

    Schematic Diagram System Circuit Diagram Terminal function Description1IGN12Engine Control Module (ECM)3B+4Stop Lmap

    Adjustment 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the lower crash pad. (Refer to Body - "Crash Pad") 3.

    Other information:

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

    Description The auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actuator, A/C, auto defogging actuator,

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

    Inspection 1. Turn the ignition switch ON. 2. Manually operate the control switch and control the voltage of the blower motor. 3. Select the control switch to raise the voltage until high speed. Specification Fan Speed (Manual)Motor Voltage (V)13.

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