Hyundai Genesis (DH): Brake System / Stop Signal Electronic Module Repair procedures

Hyundai Genesis (DH) 2013-2016 Service Manual / Brake System / Brake System / Stop Signal Electronic Module Repair procedures

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

2. Inspection of connector by each part
Check whether each connector is damaged, or there is terminal surge or incomplete connection.
[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 check 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 system" )
(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.
To install, reverse the removal procedure.

    System Circuit Diagram Terminal Function Description1Ground 2HAC/DBC Signal (Active Low)3ESS Signal (Active Low)4Stop lamp5Stop lamp switch6ECU/ SMK7ESS Signal (Active High)8Battery

    Other information:

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

    Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the lower crash pad switch assembly (A) after disengaging the mounting clip. 4. Remove the rheostat switch connector (A).

    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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