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: Seat Heater (Non-Air Ventilation) Schematic Diagrams


Circuit Diagram ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Troubleshooting


Warning Lamp Activation Warning Lamp Behavior after Ignition On As soon as the operating voltage is applied to the SRSCM ignition input, the SRSCM activates the warning lamp for a LED lamp check. The lamp shall turn on for 6 seconds during the initialization phase and be turned off afterward. To alert ...

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