Hyundai Sonata: Brake System / Stop Signal Electronic Module Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Brake System / Brake System / Stop Signal Electronic Module Repair procedures

Inspection
1. Fuse inspection
Mount the test fuse to the switch fuse and relay fuse part to confirm a normal joint fit.

2. Inspection of connector by each part
Check to see whether or not each connector has been damaged, or terminal surge, or incomplete connection has taken place
[Engine room junction box]

[Stop signal electronic module]

[ABS/VDC control module]

3. Inspect the stop lamp circuit
Connect probe to each terminal wire and confirm oscilloscope waveform.
[Stop lamp switch input/output]

[Stop signal electronic module input/output]

[Oscilloscope waveform screen]

Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the AVN unit.
(Refer to Body Electrical System - "AVN sytem" )
(Refer to Body Electrical System - "Premium AVN System")
3.
Remove the glove box.
(Refer to Body - "Glove Box" )
4.
Disconnect the stop signal electronic module connector (A).
5.
Remove the clip (B) and then remove the stop signal electronic module.

6.
Installation is the reverse of removal.
Stop Signal Electronic Module Schematic Diagrams
System Circuit Diagram Terminal Function TeminalDescription1Ground 2HAC/DBC Signal (Active Low)3ESS Signal (Active Low)4Stop lamp5Stop lamp switch6ECU/ SMK7ESS Signal (Active High)8Battery ...

Parking Brake System
...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Electronic Stability Control (ESC)
The Electronic Stability Control (ESC) system helps to stabilize the vehicle during cornering maneuvers. ESC checks where you are steering and where the vehicle is actually going. ESC applies braking pressure to any one of the vehicle's brakes and intervenes in the engine management system to as ...

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components 1. Driver Airbag (DAB)2. Passenger Airbag (PAB)3. Knee Airbag (KAB)4. Curtain Airbag (CAB)5. Side Airbag (SAB) Components Location Supplemental Restraint System Control Module (SRSCM) Driver Airbag (DAB) / Passenger Airbag (PAB) / Knee Airbag (KAB) Side Airbag (SAB) Cur ...

© 2018-2025 www.hsonatalf.org