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: Instrument Cluster Repair procedures


Inspection NORefSymbolNameSignal InputMessage NameSignal controlSignal Value(X: Don’t care)Illumination/Power1TurnLeftB-CANTurn LH Signal Lamp Switch Status for indicator in CLULED/B+2TurnRightB-CANTurn RH Signal Lamp Switch Status for indicator in CLULED/B+3FrontFogB-CANFront Fog ONLCD/B+4 -RearFogB-CANRear ...

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


Description 1. The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperatures. 2. The sensor output will be used for discharge temperature ...

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