Hyundai Sonata LF: Brake System / Stop Lamp Switch Schematic Diagrams

Hyundai Sonata LF 2014-2019 Service Manual / Brake System / Brake System / Stop Lamp Switch Schematic Diagrams

Schematic Diagram

System Circuit Diagram

Terminal function

Teminal	Description
1	IGN1
2	Engine Control Module (ECM)
3	B+
4	Stop Lmap

Stop Lamp Switch Description and Operation

Description The stop lamp switch plays the role of supplying signals to turn on stop lamps and convenience devices (HECU,ECU,BCM,SMK etc.) for drivers as a system that expresses the driver's intentions to brake by pressing the brake pedal...

Stop Lamp Switch Troubleshooting

Troubleshooting 1. Part diagnosis Items Cause Symptom 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...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Mode Control Actuator Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the mode control actuator connector. 3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4. Verify that the mode control actuator operates to the vent mode when connected in reverse...

Hyundai Sonata LF 2014-2019 Service Manual: Crankshaft Position Sensor (CKPS) Specifications