Kia Picanto: Fuses And Relays / Junction Box (Passenger Compartment)

Kia Picanto JA 2017-2025 Service & Repair Manual / Body Electrical System / Fuses And Relays / Junction Box (Passenger Compartment)

Components and components location

Component Location

I/P Junction Box

Circuit (I/P Junction Box)

Description and operation

Description

Communication Network Diagram

Abbreviation	Explanation
ABS	Anti-lock Brake System
ACU	Airbag Control Unit
AEB	Autonomous Emergency Braking
B-CAN	Body Controller Area Network
BCM	Body Control Module
C-CAN	Chassis Controller Area Network
CLU	Cluster Module
DATC	Dual Automatic Temp Control
EMS	Engine Management System
ESC	Electronic Control Suspention
EVP	Eva Vacuum Pump
I-BOX	Telematics System
LPI	Liquid Petroleum Injection
H_U	Head Unit (Audio / AVN)
M-CAN	Multi media Controller Area Network
MDPS	Motor Driven Power Steering
PGS	Parking Guide System
SLM	Seat belt remind & Lighting Module
SMK	Smart Key Unit
TCU	Transmission Control Unit
TMU	Telematics System
TPMS	Tire Pressure Monitoring System

Repair procedures

Fuse Inspection

1.	Check that the fuse holders are loosely held and that the fuses are securely fixed by the holders.

2.	Check that each fuse circuit has the exact fuse capacity.

Check the fuses for any damage.

If a fuse is to be replaced, be sure to use a new fuse of the same capacity. Always identify the cause of the blown fuse and completely eliminate the problem before installing a new fuse.

Diagnosis with KDS/GDS

1.	The Interior Junction Block can be diagnosed by using the KDS/GDS. The Interior Junction Block communicates with the KDS/GDS which then displays inputs and outputs along with codes.

2.	To diagnose the Interior Junction Block function, select the vehicle model, Interior.

3.	To consult the present input/out value of Interior Junction Block, "Current DATA". It provides information of Interior Junction Block input/output conditions.

4.	To perform functional test on Interior Junction Block outputs, select "Actuation Test"

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel")

3.	Disconnect the connectors (A) from the fuse side of the interior junction block.

4.	Remove the interior junction block wiring mounting clip (B).

5.	Remove the interior junction block side connectors (A).

6.	Remove the interior junction block (A) after loosening the mounting nuts.

7.	Disconnect the connectors (A) from the back of the interior junction block.

8.	Remove the interior junction block wiring mounting clip (B).

Installation

1.	Install the interior junction block.

2.	Connect the interior junction block connectors.

3.	Install the crash pad lower panel.

4.	Connect the negative (-) battery terminal.

5.	Check that all systems operate properly.

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