Kia Picanto JA Quiz
Body Electrical System

Junction Box (Passenger Compartment)

In this manual: Body Electrical System
General Information — 8Maintenance — 30Engine Mechanical System — 46Engine Electrical System — 14Emission Control System — 11Engine Control System/Fuel System — 46Clutch System — 12Manual Transmission — 10Drive Shaft and Axle — 8Suspension System — 15Steering — 9Restraints — 17Brake System — 22Body (Interior and Exterior) — 104Body Electrical System — 80Heating, Ventilation, and Air Conditioning — 17
20steps
~120min
4/5difficulty
Done 0 of 20

Components and Component Location

Component Location

I/P Junction Box

Circuit (I/P Junction Box)

Description and Operation

Description

Communication Network Diagram
Abbreviation Description
ABS Anti-Lock Braking System (ABS)
ACU Airbag Control Unit
AEB Autonomous Emergency Braking
B-CAN Body Controller Network
BCM Body Control Module
C-CAN Chassis Controller Area Network
CLU Cluster Module
DATC Dual Automatic Temperature Control
Emergency Call Engine Control System
ESC Electronic Control Suspension
EVP Electric Vacuum Pump (EVP)
I-BOX Telematics System
LPI Liquid Oil Injection
H_U Head Unit (Audio/AVN)
M-CAN Multimedia Controller Network
MDPS Motor Driven Power Steering
PGS Park Assist System
UUZR Seat Belt Reminder and Lighting Module
SMK Smart Key Unit
TCU Transmission Control Unit
TMU Telematics System
SCP Tire Pressure Monitoring System

Repair Procedures

Fuse Inspection

  1. Make sure the fuse holders are secured and that the fuses are firmly retained by the holders.
  2. Make sure that each fuse circuit has the correct fuse rating.
  3. Inspect the fuses for damage.

Diagnosis Using KDS/GDS

  1. The interior junction block can be diagnosed using KDS/GDS. The interior junction block communicates with KDS/GDS, which then displays the inputs and outputs together with the codes.
  2. To diagnose the interior junction block function, select the vehicle model "Interior".
  3. Refer to the current input/output values of the interior junction block in "Current Data". It provides information on the input/output conditions of the interior junction block.
  4. To perform a functional check of the interior junction block outputs, select "Actuation Test".

Removal

  1. Disconnect the negative (-) battery terminal.
  2. Remove the emergency pad lower panel. (Refer to Body - "Emergency Pad Lower Panel")
  3. Disconnect the connectors (A) on the fuse side of the interior junction block.
  4. Remove the wiring harness clip of the interior junction block (B).
  5. Remove the side connectors of the interior junction block (A).
  6. Remove the interior junction block (A) after loosening the mounting nuts.
  7. Disconnect the connectors (A) from the rear of the interior junction block.
  8. Remove the wiring harness clip of the interior junction block (B).

Installation

  1. Install the interior junction block.
  2. Connect the connectors of the interior junction block.
  3. Install the emergency pad lower panel.
  4. Connect the negative (-) battery terminal.
  5. Make sure all systems operate properly.

Test yourself

A quick Kia Picanto JA quiz: every answer comes with an explanation and a link to the manual page.