Kia Optima Hybrid: Parking Brake System / Electric Parking Brake (EPB) Repair procedures

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Brake System / Parking Brake System / 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 unit.

Tighten torque:
9.8 ~ 14.7 N.m (1.0 ~ 1.5 kgf.m, 7.2 ~ 10.8 lb-ft)

EPB Switch
1.
Turn ignition OFF and disconnect the negative (-) battery cable.
2.
Remove the floor console upper cover.
(Refer to Body group - "Console")
3.
Remove the EPB switch assembly after loosening the screws (A).

Installation
EPB Unit
1.
Installation is the reverse of removal.
2.
Check that the brake operates normally by pushing the EPB switch more than 3 times after installing the EPB module.
EPB Switch
1.
Install the EPB switch assembly to the floor console upper cover.
2.
After connecting the EPB switch connecter, install the floor console upper cover. (Refer to Body group - "Console")
3.
Connect the negative (-) battery cable.
Electric Parking Brake (EPB) Schematic Diagrams

EPB Circuit Diagram (1) EPB Circuit Diagram (2) EPB connector input/output Pin DescriptionPin Description1--21--2--22YC-CAN (Low)3--23WC-CAN (High)4--24WElectric Parking Brake Switch (SW1)5--25L/OElectric ...

Body (Interior and Exterior)

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Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Instrument Cluster Schematic Diagrams


Circuit Diagram ...

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


Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed sensor circuitRepair the vehicle speed ...

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