Kia Optima Hybrid: Parking Brake System / Electric Parking Brake (EPB) Schematic Diagrams

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Brake System / Parking Brake System / Electric Parking Brake (EPB) Schematic Diagrams

EPB Circuit Diagram (1)

EPB Circuit Diagram (2)

EPB connector input/output

Pin 
Description
Pin 
Description
1
-
-
21
-
-
2
-
-
22
Y
C-CAN (Low)
3
-
-
23
W
C-CAN (High)
4
-
-
24
W
Electric Parking Brake Switch (SW1)
5
-
-
25
L/O
Electric Parking Brake Switch (SW2)
6

-
26
G/O
Electric Parking Brake Switch (SW3)
7
-
-
27
Y/O
Electric Parking Brake Switch (SW4)
8
-
-
28
-
-
9
-

29
-
-
10
-
-
30
-
-
11
-
-
31
-
-
12
-
-
32
-
-
13
-
-
33
B
Ground (GF06)
14
-
-
34
B
Ground (GF06)
15
-
-
35
O
Electric Parking Brake ActuatorRH (+)
16
-

36
Br
Electric Parking Brake ActuatorLH (-)
17
L
Smart Junction Box
(Fuse - EPB)
37
Gr
Electric Parking Brake ActuatorRH (-)
18
-
-
38
W
Electric Parking Brake ActuatorLH (+)
19
-
-
39
R
E/R Fuse & Relay Relay(FUSE - EPB 1)
20
G
Brake Light Switch 
40
L
E/R Fuse & Relay Relay(FUSE - EPB 2)

Electric Parking Brake (EPB) Description and Operation

Description Description of EPB The EPB is an electronic parking brake. The EPB is different from existing parking systems which operated with the brake pedal or the lever type. The EPB system sends the ...

Electric Parking Brake (EPB) Repair procedures

Removal EPB Unit 1. Turn ignition OFF and disconnect the negative (-) battery cable. 2. Disconnect the EPB control unit connecter (A). 3. Remove the EPB control unit mounting nuts (B) and the EPB control ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Airbag Module Disposal Description and Operation


Airbag Disposal Special tool required Deployment tool 0957A-34100A Before scrapping any airbags or side airbags (including those installed in vehicle to be scrapped), the airbags or side airbags must be deployed. If the vehicle is still within the warranty period, before deploying the airbags or side ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Description and Operation


Description Automatic transaxle system relies on various measurement data to determine the current control status and extrapolate the necessary compensation values. These values are used to control the actuators and achieve the desired control output. If a problem with the drivetrain, including the transaxle, ...

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