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Body Control Module: Description and Operation





Description





Function

1. Wiper & Washer Control
(1) Front Washer Interlocking Wiper Control
If washer switch (WasherSW) is ON at the status of IGN2 ON, Wiper turn ON. If washer switch is OFF, wiper turn ON for 2.5 - 3.8 seconds and then turn OFF.
(2) Front Wiper Intermittent Control
If front wiper INT switch is ON at the status of IGN2 ON, wiper turn ON according to INT volume.
(3) Front Wiper MIST Control
If front wiper MIST switch is ON at the status of IGN2 ON, wiper turn ON continually.
(4) Rear Washer Interlocking Rear Wiper Control
If rear washer switch is ON at the status of IGN2 ON, Wiper turn ON. If rear washer switch is OFF, rear wiper turn ON for 2.5 - 3.8 seconds and then turn OFF.
(5) Rear Wiper Control
If rear wiper switch is ON at the status of IGN2 ON, rear wiper turn ON continually.
(6) Rear Wiper Intermittent Control
If rear wiper INT switch is ON at the status of IGN2 ON, rear wiper turn ON according to INT volume.
2. Warning
(1) Seat Belt Reminder (Front)
IGN1 ON -> Indicator ON for 6 sec -> Indicator turn ON continually if the seat belt switch is OFF
IGN1 ON -> Indicator ON for 7 sec -> Indicator turn OFF if the seat belt switch is ON
If the vehicle speed is over 20km/h and seat belt switch is OFF, the warning sound ON and Indicator blink.
If the vehicle speed is over 20km/h and warning sound ON, the warning sound OFF after seat belt switch ON.
If the seat belt switch is ON, the warning sound OFF and Indicator turn OFF.
(2) Seat Belt Reminder (Rear)
IGN1 ON -> Indicator turn ON when the seat belt switch is OFF
IGN1 ON -> Indicator turn ON when the seat belt switch is OFF -> ALT'L ON -> Indicator turn OFF after 35 sec
In above situation, if the vehicle speed is over 9 km/h, indicator turn ON again for 35 sec
If the vehicle speed is over 25 km/h and rear seat belt is OFF, indicator warning ON.
(3) Parking Brake Start Warning
If the vehicle speed is over 10 km/h & parking brake switch ON & IGN ON, the parking brake waring sound is ON.
3. Rear defogger
(1) If rear defogger switch turns ON after Alt L is ON while IGN1 is ON, turn the defogger relay output ON for 20min.
(2) If rear defogger switch turns ON again while defogger relay output is ON, turn the defogger relay output OFF.
(3) Also turn defogger output OFF in case of Alt L OFF or IGN1 OFF while the defogger relay output is ON.
4. Power Window Timer
(1) Turn the safety and power window ECU output ON when turning IGN1 ON.
(2) Turn safety power window ECU output OFF after keeping safety power window ECU output for 30sec when IGN1 is OFF.
(3) Turn safety power window ECU OFF immediately when opening the driver door or assist door within the condition (2) above.
5. Exterior Lamp Control
(1) Tail Lamp Auto Cut
If the key out and driver door is opened while the key or ACC or IGN ON and tail lamp switch ON, turn the tail lamp relay OFF automatically.
When turning tail lamp switch ON again from OFF after the automatic blackout, the tail lamp relay will be turned ON and Tail Lamp Auto Cut function will be cancelled.
(2) Auto Light Control
If the value of Auto Light Signal is input value of LIGHT ON at the status of IGN1 ON and the auto light switch ON, turn the light ON in 2.5sec ± 100msec.
If the value of Auto Light Signal is LIGHT OFF and the auto light switch ON, turn the light OFF after 5sec.
(3) Front Fog Lamp control
Turn the front fog lamp ON when pressing the front fog lamp switch when IGN2 ON and Tail Lamp Relay turn ON.
(4) Head lamp low control
Turn the head lamp relay ON when turning the head lamp switch ON while IGN1 is ON.
(5) Escort
Turn the head lamp relay ON for 20 sec when turning the key OFF while the head lamp is ON.
The head lamp relay ON for 30 sec when opening the driver door while the head lamp is ON for 20 sec.
The head lamp relay OFF immediately when pressing the door lock button twice with RKE(or FOB) while the head lamp is ON.
(6) Static Bending Light
When the driver turn the steering wheel and IGN1 ON and head lamp ON, the static bending light turn ON.
The opposite side lamp is ON when the prohibit R is ON.
The static bending light turn ON for 2 min at least.
The static bending light turn ON according to the vehicle speed and steering wheel angle.
(7) Head Lamp Welcome Function
The head lamp low and tail lamp ON for 15 sec when pressing the door lock button twice with RKE(or FOB) while all doors are closed, locked, the key out and the head lamp switch (or auto light switch) is ON.
If the lock/unlock with RKE(or FOB) or IGN1 & head lamp switch (or auto light switch) OFF while head lamp low and tail lamp ON, the head lamp is OFF.
(8) Turn Signal Lamp Control
Turn the turn signal lamp ON when turning the turn signal lamp switch ON and IGN2 ON.
Triple turn signal operates when the turn signal switch OFF before signal lamp operating 3 times.
(9) Hazard Lamp Control
Turn the hazard lamp ON when turning the hazard lamp switch ON.
6. Interior Lamp Control
(1) Room Lamp Control
If 4 doors are closed & RKE(or FOB) unlocked or 4 doors are closed & KEY ON -> OFF, turn the room lamp ON for 30 sec.
If IGN key OFF and door is open, turn the room lamp ON for 20 min.
If IGN ON while the room lamp ON for 20 min, keep the room lamp ON.
If the door is closed while the room lamp ON for 20 min, keep the room lamp ON for 30 sec.
If the door is locked while the room lamp ON for 30 sec, the room lamp is decaying.
(2) Room Lamp Auto Cut
Room lamp turn ON when the ACC and IGN ON.
If ACC OFF, turn the room lamp ON for 20 min.
If vehicle enter the ARMWAIT, the room lamp ON for 3 sec and OFF.
7. Door Lock/unlock Control
(1) Central Reminder
Turn the central door unlock ON when the lock inputted while the key OUT and door is opened.
(2) IGN Key Reminder
Turn the door unlock relay output ON when the knob is locked while the key IN and driver (or assist) door is opened.
(3) Passive Reminder
Turn the central door unlock ON when receiving the passive unlock signal.
(4) Crash Door Unlock
Keep the central unlock output for 5 sec when receiving the crash signal while the key IN or ACC ON or IGN ON.
Crash door unlock function has priority to LOCK/UNLOCK control by other functions
(5) Auto Door Lock By Vehicle Speed Change
All door lock signal is output if vehicle speed is 15km/h when the IGN1 ON and Alt L ON.
(6) Auto Door Lock By Shift Lever Change
All door lock signal is output if shift lever is changed from P to R/N/D position while the IGN1 ON and all doors are closed.
(7) Auto Door Unlock By Key In Condition
All door unlock signal is output if the IGN KEY IN->OUT while the door knob is locked.
(8) Auto Door Unlock By Shift Lever Change
All door unlock signal is output if shift lever is changed from R/N/D to P position while the IGN1 ON and all doors are closed.
(9) AVN Wakeup Function
AVN wakeup signal is output if door unlock signal is inputted by RKE(or FOB) while the KEY OFF.
(10) Tailgate Release
Tailgate release relay is ON if tailgate open switch is ON while all door unlocked.
8. Anti-theft
(1) If all door is locked with RKE(or FOB) and knob is locked while all door lock and key out, the vehicle enter the ARMWAIT for 30 sec.
(2) The vehicle enter the ARM after 30 sec from ARMWAIT mode.
(3) If the door or hood or tailgate is opened in ARM mode, the alarm is ON for 27sec.
9. Head Lamp Washer Function
(1) If the front wiper and washer switch ON, the head lamp washer operates.
(2) Head lamp washer operates for 1.5 sec and it need the 15 min for next operation.
10. One Touch Triple Turn Signal
Triple turn signal operates when the turn signal switch OFF before signal lamp operating 3 times.
11. ATM Shift Lock Control
Shift lever can be changed to the another position when IGN1 ON and brake pedal is pressed.
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