Hyundai Sonata LF Quiz
Brake System

Schematic Diagrams

In this manual: Brake System
General Information — 9Engine Mechanical System — 90Engine Electrical System — 58Emission Control System — 24Engine Control System/Fuel System — 114Drive Shaft and Axle — 15Suspension System — 35Steering — 19Restraints — 50Brake System — 54Body (Interior and Exterior) — 213Body Electrical System — 241Heating, Ventilation, and Air Conditioning — 56DCT (Dual Clutch Transmission) System — 52
~3min read

Circuit

[EPB Type]

[General Type]

Terminal Function

[EPB Type]

PIN Code No. Description Current
Max. min
1 Power Supply for Pump Motor 39A 10A
2 RR EPB Motor Power 30A -
3 RR EPB Motor Ground 30A -
4 - - -
5 Local CAN High 30 mA 20 mA
6 Electronic Parking Brake Signal 1 20 mA -
7 Electronic Parking Brake Signal 2 20 mA -
8 Electronic Parking Brake Signal 3 20 mA -
9 Electronic Parking Brake Signal 4 20 mA -
10 - - -
11 - - -
12 RL EPB Motor Ground 30A -
13 RL EPB Motor Power 30A -
14 Ground for Solenoid Valves and ECU 30A 10A
15 - - -
16 ECC 200 mA 100 mA
17 FR Wheel speed sensor signal 16.8 mA 5.9 mA
18 - - -
19 DC Voltage Shutdown Signal 10 mA 5 mA
20 Local CAN Low 30 mA 20 mA
21 - - -
22 - - -
23 HAC Signal 200 mA 100 mA
24 - - ?
25 FR Wheel speed sensor power supply 16.8 mA 5.9 mA
26 Rear Wheel Speed Sensor Power 16.8 mA 5.9 mA
27 RL Wheel speed sensor signal 16.8 mA 5.9 mA
28 - - ?
29 FL Wheel speed sensor signal 16.8 mA 5.9 mA
30 Power Supply for Solenoid Valves 30A 10A
31 - - -
32 Wheel Speed Sensor Output Open Drain -
33 - - -
34 Auto Hold ON/OFF Signal 10 mA 5 mA
35 Stop Lamp Switch 10 mA 5 mA
36 RR Wheel speed sensor signal 16.8 mA 5.9 mA
37 IGN 1 5A 1 A
38 RL Wheel Speed Sensor Power 16.8 mA 5.9 mA
39 FL Wheel Speed Sensor Power 16.8 mA 5.9 mA
40 - - -
41 - - -
42 - - -
43 - - -
44 C-CAN High 30 mA 20 mA
45 C-CAN Low 30 mA 20 mA
46 Power Supply for Pump Motor 40A 10A

[General Type]

PIN Code No. Description Current
Max. min
13 Ground for Return Pump 39 A 10 A
38 Ground for Solenoid Valves and ECU 15 A 2 A
1 Power Supply for Pump Motor 39 A 10 A
25 Power Supply for Solenoid Valves 15 A 2 A
34 FL Wheel Speed Sensor Power 16.8 mA 5.9 mA
18 FR Wheel speed sensor power supply 16.8 mA 5.9 mA
33 RL Wheel Speed Sensor Power 16.8 mA 5.9 mA
19 Rear Wheel Speed Sensor Power 16.8 mA 5.9 mA
22 FL Wheel speed sensor signal 16.8 mA 5.9 mA
6 FR Wheel speed sensor signal 16.8 mA 5.9 mA
20 RL Wheel speed sensor signal 16.8 mA 5.9 mA
31 RR Wheel speed sensor signal 16.8 mA 5.9 mA
32 Voltage for hybrid ECU 1 A 500 mA
8 ESP Switch Signal 20 mA 5 mA
26 CAN High 30 mA 20 mA
14 CAN Low 30 mA 20 mA
30 Stop Lamp Switch 10 mA 5 mA
10 Parking brake switch signal 10 mA 5 mA
16 HAC Relay 200 mA 100 mA
27 Wheel Speed Sensor Output Open Drain ?

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.