Kia Optima Manuals

Kia Optima: Function - Relay Box (Engine Compartment). Description and Operation - Fuses And Relays - Body Electrical System - Kia Optima TF 2011-2026 Service ManualKia Optima: Function

Function Requirements

The BCM controls IPS and relay on the SJB. For example, if BCM requests head lamp low beam control, then BCM requests related lamp control at one time.

Signal Flow Diagram

This chapter defines signal between SJB and peripheral electrical apparatus in the form of signal flow diagram. Control of the IPS and relay is required by BCM. Following figure expresses power source that is operating power condition

Input signal
No
 Switch  Input
1
 IGN1
2
 IGN2
3
 Driver S/Beltelt switch
4
 Assist S/Beltelt switch
5
 Driver door unlock switch
6
 Assist door unlock switch
7
 RL door unlock switch
8
 RR door unlock switch
9
 Driver door switch
10
 Assist door switch
11
 RL door switch
12
 RR door switch
13
 Driver&Assist door key lock
14
 Driver door key unlock
15
 Assist door key unlock
16
 Hood switch
17
 P/W Driver lock switch
18
 P/W Driver unlock switch
19
 T/signal LH switch
20
 T/signal RH switch
21
 Hazard switch
22
 Trunk switch
23
 Trunk release switch
24
 Trunk lid HDL switch
25
 Brake fluid sensor
26
 Parking brake switch
27
 Multi function switch
28
 Inhibit ‘R’
29
 CANADA DRL GND
30
 HID option
31
 RHD option

Output signal

No
 Relay Control
1
 B/Alarm relay
2
 B/Horn relay
3
 RR HTD relay
4
 Driver door unlock relay
5
 Deicer relay
6
 Trunk lid relay
7
 Rear window main relay
8
 Sound relay
9
 Door lock relay
10
 Door unlock relay

No
 IPS Control
1
 H/Lamp HI LH
2
 H/Lamp HI RH
3
 H/Lamp LO LH
4
 H/Lamp LO RH
5
 Front fog LP LH/RH
6
 External Tail lamp LH
7
 External Tail lamp RH
8
 T/signal LP FL
9
 T/signal LP FR
10
 T/signal LP RL
11
 T/signal LP RR
12
 INT Tail lamp LP
13
 S/Belt LP LH
14
 S/Belt LP RH
15
 DRL

Door Switch Input

Door Lock Switch Input

Door Lock Switch Input

Door Unlock Status Input

Door Unlock Status Input

P/WDW DR Lock/Unlock Input

P/WDW DR Lock/Unlock Input

Brake Switch Input

Brake Switch Input

Seat Belt Switch Input

Seat Belt Switch Input

Trunk Switch Input

Trunk Switch Input

Hood Open Switch Input

Hood Open Switch Input

CANADA DRL Option

CANADA DRL Option

INHIBIT ‘R’ Input

INHIBIT ‘R’ Input

Burglar Alarm Start Relay

Burglar Alarm Start Relay

Burglar Alarm Horn Relay

Burglar Alarm Horn Relay

Door Lock/Unlock Relay

Door Lock/Unlock Relay

Trunk LID Release Relay Output

Trunk LID Release Relay Output

Power Window Relay Output

Power Window Relay Output

Defogger & Front Deicer Relay

Defogger & Front Deicer Relay

Head Lamp Control

Head Lamp Control

IPS Lamp Control

IPS Lamp Control

Hazard & Turn Signal

Hazard & Turn Signal


Description
Network ConfigurationThe Network of the SJB(Smart Junction Box) consists of Low speed CAN as shown in the following figure. Termination ResistorThe cluster has CAN termination resistor. It is p ...

Relay Box (Engine Compartment). Repair procedures
Inspection Power Relay Test (Type A) - Do not use pliers. - Pliers will damage the re ...

See also:

Inspection
1. Turn ignition switch OFF. 2. Disconnect the oil temperature sensor connector. 3. Measure resistance between sensor signal terminal and sensor g ...

Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Release the residual pressure in fuel line (Refer to “Release Residual P ...

Placement of a Child Restraint System
We recommend that, whenever possible, you put the child restraint in the center position of the rear seat and secure it to the vehicle with the lap belt. If the center rear seat is not available, o ...

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