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1. OVERVIEW
BCM (Body Control Module) is a module that inputs/outputs data from various switches, sensors, and
other modules through the hard wire and CAN communication, and controls the body, electronic system,
and chassis of the vehicle.
2. SYSTEM CONFIGURATION
1) Vehicles With SKM
SKMBCMInternal buzzer (chime)
Smart key
ICM box
Internal buzzer (chime)
Warning horn External buzzer (SKM buzzer)
Mounting location Component Mounting location Component
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8710-01
2) Without SKM
BCMInternal buzzer (chime)REKES key
Immobilizer
ICM box
Internal buzzer (chime)
Warning horn
Mounting location Component
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Internal buzzer (chime) operation for ignition key reminder
When the driver door is opened with the ignition key inserted, the internal buzzer (chime) is operated
for 10 seconds at intervals of 0.02 sec. ON/1.38 sec. OFF. A. Operation 1.
When the ignition key is removed or the driver door is closed while the internal buzzer (chime) is
activated for up to 10 seconds, the buzzer is deactivated. B. Operation 2.
5. IGNITION KEY REMINDER
The 2 operations stated above are not available after the ignition is turned ON. C. Operation 3.
This function overrides the tail lamp switch warning function.
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Ignition key reminder operation
The door LOCK switch is in LOCK position after the driver door is opened with the ignition key
inserted.
The UNLOCK signal is output for 0.5 seconds (T2) immediately after the LOCK signal output. A.
B. Operation 1.
The door LOCK switch is in LOCK position within 0.5 seconds (T1) after the door is closed with the
ignition key inserted.
The UNLOCK signal is output for 0.5 seconds (T2) immediately after the LOCK signal output. C.
D. Operation 2.
The door LOCK switch is in LOCK position after the driver door is opened with the ignition key
inserted.
The door UNLOCK signal is not output when the ignition key is removed during the door LOCK
output. E.
F. Operation 3.
Operating process
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All doors LOCK prevention function
When the LOCK signal is input with the doors (driver/passenger/rear) open and the ignition key
removed or IGN ON).
The UNLOCK signal is output for 0.5 seconds (T1) immediately after the LOCK signal output. A.
B. Operation 1.
All doors are closed during the UNLOCK output.
The UNLOCK output continues. C.
D. Operation 2.
When the ignition key is inserted, the ignition key reminder is operated. E. Operation 3.Except tailgate and hood -
Operating process
This function does not work if the vehicle speed is over 10 km/h.
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Tail lamp ON warning
The driver door is opened with the tail lamp ON and ACC or IGN OFF (ignition key removed).
The internal buzzer (chime) sounds for 10 seconds (T2) at intervals of 1.4 seconds (T1). A.
B. Operation 1.
The tail lamp switch is turned OFF while the internal buzzer (chime) is activated, or the driver door is
closed.
The internal buzzer (chime) is deactivated immediately. C.
D. Operation 2.
6. TAIL LAMP CONTROL
The 2 operations stated above are not available after the ignition is turned ON. E. Operation 3.
The sunroof and ignition key reminder warnings override this function.
If the tail lamp switch is turned ON from OFF while the internal buzzer (chime) is activated, the
buzzer sounds again. -
-
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Operating process
- IGN OFF (ignition key removed)
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Tail lamp AUTO switching off
The tail lamp relay is turned ON or OFF according to the ON/OFF operation of the tail lamp switch. A. Operation 1.
When the ignition is turned OFF or the ignition key is turned to the ACC ON position (ignition key
removed) with the tail lamp switch ON.
After this, the tail lamp relay is turned OFF automatically when the driver door is opened and then
closed. (with tail lamp switch ON) B.
C. Operation 2.
When the ignition is turned ON (ignition key inserted) after the operation 2, the tail lamp relay is turned
ON. D. Operation 3.
The ignition is turned OFF or the ACC is turned ON (ignition key removed).
After the tail lamp is turned ON, the lamp relay is not turned OFF automatically when the driver door is
opened and then closed. (with tail lamp switch ON) E.
F. Operation 4.
To reset, turn the ignition ON (ignition key inserted)