Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSKIA2015SEDONA EXREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICES(BCM) BODY CONTROL MODULECOMPONENTS AND COMPONENTS LOCATIONDESCRIPTION AND OPERATIONFUNCTION

2015 Kia Sedona EX

Description And Operation: Function

2015 Kia Sedona EXSECTION Function

Function	Description
Function	Input	Output
FRONT WASHER INTER LOCK WIPER	IGN2 On & WasherSW On and Off,	Controlling Wiper Rly depending on WasherSW On time.
FRONT INT WIPER	IGN2 On & Front Wiper Int Sw On,	Controlling Wiper Rly On/Off with 2.2~10 sec period depending on INT_Volume D187 (5-Step)
FRONT MIST WIPER	IGN2 On & MistSW On,	Controlling Wiper Rly On during MistSW On (700ms)
Head Lamp Washer	IGN2 On & Head Lamp On & WasherSW On	Controlling HeadLamp Washer Rly On (1.6sec)
Head Lamp Washer	IGN2 On & Head Lamp On & WasherSW On	Within 15 minutes after the headlamp relay turns on, the headlamp washer does not function again even though the windshield/headlamp washer switch is operated repeatedly.
REAR WASHER INTER LOCK WIPER	IGN2 On & REARWasherSW On and Off,	Controlling Wiper Rly depending on REARWasherSW On time.
REAR INT WIPER	IGN2 On & Front Wiper Int Sw On,	Controlling Wiper Rly On/Off with 6 sec period depending on INT_Volume (1Step)
SEAT BELT WARNING	IGN On while belt off,	Seat Belt Indicator blinking and buzzer warning for 6 sec.
	IGN On while belt on,	Seat Belt Indicator for 6 sec. and warning buzzer Off
	IGN1 On & Drv sea belt Sw [Off→On,	Seat Belt Indicator Off and Buzzer Off
	IGN On & Vehicle Speed > 10km/h while belt off,	Seat Belt Indicator and warning buzzer pattern starting (PATTERN: 6sec on/24sec off X 11 times)
	IGN On & Vehicle Speed > 5km/h while belt off,	Seat Belt Indicator blinking and buzzer warning for 6 sec.
	Pattern starting while Vehicle Speed < 5km/h,	6 sec. after Seat Belt Indicator Off and Buzzer Off
KEY OPERATED WARNING	(Key In or SMK ACC) Sw On & Driver door open	Key Operated Buzzer Warning starting
PARKING START WARNING	IGN1 On & Parking Brake Sw On & Vehicle Speed > 5km/h & 1sec	Parking Brake Buzzer Warning Starting
SUNROOF OPEN	SunRoof Open State → IGN Off → Drv Door Open	SunRoof Open Warning By Cluster 7sec
PAS/RPAS WARNING	Gear Position R and PAS/RPAS Sensors detecting warning	PAS/RPAS Warning Starting according to warning level from PAS/RPAS Sensors
POWER WINDOW/SAFETY POWER WINDOW	IGN1 On	Power Window/Safty Power Window enabled all the time
	IGN1 Off	30sec. After IGN 1 turned off, Power Window/Safty Power Window disabled
	Driver Door Open or Passenger Door Open	Power window/Safty Power Window disabled immediately
REAR DEFOGGER FRONT DEICER	IGN1 On & Alternator On & Defogger SW On	Defogger On & Deicer On for 20 min.
ROOMLAMP	Any Door Open,	Room Lamp On for 20min.
	All Door Closed & Key [On→Off] & Any Door Unlock	Room Lamp On for 30sec.
	All Door Closed & Key [On→Off] & All Door Lock	Room Lamp Off
	Tx Unlock	Room Lamp On for 30sec.
	Tx Lock while Room Lamp On	Room Lamp Off
IGN KEY HOLL ILLUMINAION	IGN1 Off & Door open	Key Illumi Lamp On for 20min.
IGN KEY HOLL ILLUMINAION	IGN1 Off & Door [open→close]	Key Illumi Lamp On for 30sec.
KEY INTER LOCK	IGN1 On or ACC On & Key inter lock Sw On	Key Solenoid On
ATM SHIFT LOCK	IGN1 On & Inhibit P On & Brake Sw On	ATMSOL On
TAILLAMP	Tail lamp Sw On,	Tail Lamp On
TAIL LAMP AUTO CUT	Key In & Tail Sw On → Key Off → Drv Door Open	Tail Lamp Off
TAIL LAMP AUTO CUT	key In & Tail Sw On → Key Off → Drv Door Open → Tail Sw [Off→On]	Tail Lamp On
AUTOLIGHT	IGN1 On & Autolight Sw On with day light condition	Tail lamp Off, Headlamp Off
	IGN1 On & Autolight Sw On with night light condition	Tail lamp On, Headlamp On
	IGN1 on & Autolight Sw on with day light condition → night light condition	1 sec. (CHINA), 12 sec. (NA), and 2.5 sec. (others) after sensing night light condition, Tail lamp On and Headlamp On
	IGN1 on & Autolight Sw on with night light condition → day light condition	5 sec. (EC), 12 sec. (NA), and 2.5 sec. (others) after sensing daylight condition, Tail lamp Off and Headlamp Off
HEADLAMP	IGN2 On & Headlamp Sw On	Head Lamp On
ESCORT	IGN2 On, HeadLamp Sw On → IGN Off	Head Lamp On & Tail Lamp On for 5min.
ESCORT	IGN2 On, HeadLamp Sw On → IGN Off → Driver Door Open → Drive Door Close	Head Lamp On for 15sec, and Tail Lamp On for 15sec.
WELCOME	Headlamp SW On & All Door Closed & All Door Locked & Key Off & TX Unlock	Tail lamp On for 15 sec.
	Headlamp SW On & All Door Closed & All Door Locked & Key Off & TX Unlock → TX Lock before 15 sec timer expirsed	Headlamp Off just after TX Lock
	Autolight Sw On & night light condition & All Door Closed & All Door Locked & Key Off & TX Unlock	Headlamp On & Tail lamp On for 15sec.
DRL	IGN2 On & Alternator On and DRL Option On & H/Lamp Low Off & HeadLamp High Off & Parking Brake off	DRL On
	IGN2 On & Alternator On and DRL Option On & [H/Lamp Low On or HeadLamp High On or Parking Brake on]	DRL Off
	IGN2 On & Alternator On and DRL Option On & FrtFog Lamp [Off→On]	DRL Off
FRONT FOG LAMP	Front Fog Sw On when IGN2 On & Tail lamp On	Front Fog Lamp on
REAR FOG LAMP	Rear Fog Sw On when IGN2 On & Tail Lamp On & Front Fog Lamp On	Rear Fog Lamp on
REAR FOG LAMP	Rear Fog Sw On when IGN2 On & Tail Lamp On & HeadLamp On	- Rear Fog Lamp on
AV CONTROL	Autolight sensing with day light condition	AV Tail On
AV CONTROL	Autolight sensing with night light condition	AV Tail Off
CENTRAL LOCK/UNLOCK	P/WDW Lock Sw On or Tx Lock	All Door Lock
CENTRAL LOCK/UNLOCK	P/WDW Unlock Sw On or Tx Unlock	All Door Unlock
Key Reminder	Key On & Driver/Assist door Open & P/WDW Lock Sw On	All Doors Unlock. If knob stays locked, BCM retries unlocking for 3 times.
Key Reminder	Key On & Driver/Assist Door Open & Driver/Assist Knob changes unlock → lock	All Doors Unlock. If knob stays locked, BCM retries unlocking for 3 times.
Passive Reminder	Passive Reminder signal received from SMK	All Door Unlock and Buzzer warning starts
CRASH UNLOCK	Key On & Crash Signal received,	All Door Unlock for 5 sec.
Speed Sensing Auto door Lock	IGN1 On & Alternator On & Any Door Unlock & Vehicle Speed >15km/h,	All Door Lock
Speed Sensing Auto door Lock	- IGN1 On & Alternator On & Vehicle Speed >15km/h & All Door Lock → Any Door unlock,	All Door Lock
Shift-Lever Auto door Unlock	IGN1 On & Alternator On & Shift-Lever Position [P] → not [P]	All Door Unlock
Key Off AUTO DOOR UNLOCK	Any Door Lock & Key [In] → [Off]	All Door Unlock
TAIL GATE RELEASE	All Door Unlock & Tail Gate Open Sw On	Tailgate Release
TAIL GATE RELEASE	Passive Tailgate signal received	Tailgate Release
2 TURN UNLOCK	Tx Unlock & Tx Unlock It Again after 4sec	Drv Door Knob Unlock
2 TURN UNLOCK	Tx Unlock & Tx Unlock It Again in 4sec	All Door Knob Unlock
NaviWakeup	Key Out & Tx Unlock/Passive Unlock received,	Navigation Wakeup Signal sends
NaviWakeup	Key Out & Tx Unlock/Passive Unlock received,	No re-send within 1 min.
ANTITHEFT	All Door Closed & Key Off & Tx Lock & All Door Closed,	Armwait for 30 sec.
	All Door Closed & Key Off & Tx Lock & All Door Closed,	Arm after 30 sec. without any interrupts
	[Arm state] Door open without Tx unlock/Passive Unlock signal	Horn activates, Hazard lamp blinks
PANIC	Tx Panic	Horn activates, Hazard lamp blinks
HORN ANSWER BACK	Tx Lock & Tx Lock It Again in 4sec	Horn On (0.1sec)
TPMS	TPMS sensor & Vehicle speed	MIL on with TPMS

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.