System Description
INTERIOR ROOM LAMP CONTROL SYSTEM : System Description
OUTLINE
- Interior room lamps* are controlled by interior room lamp timer control function of BCM.
*: Map lamp, foot lamp and personal lamp (when map lamp switch and personal lamp switch are in DOOR position).
- Step lamp is controlled by step lamp control function of BCM.
- Trunk room lamp is controlled by trunk room lamp control function of BCM.
- Outside handle lamp is controlled by outside handle lamp timer control function of BCM.
- Push-button ignition switch illumination is controlled by the push-button ignition switch illumination control function of BCM.
- Interior room lamps and outside handle lamp are illuminated by welcome light function of Intelligent Key system. Welcome Light Function.
INTERIOR ROOM LAMP TIMER CONTROL
Interior Room Lamp Timer Basic Operation
NOTE:
A: Sets the interior room lamp gradual brightening and dimming time.
B: Gradually dims from 100% to 0% and gradually brightens 0% to 100% in 1 second.
- The interior room lamp turns ON and OFF (gradual brightening and dimming) by the interior room lamp timer.
- BCM judges the vehicle condition with the following items. It activates the interior room timer.
- Ignition switch status
- Door switch signal
- Door lock/unlock signal (Remote keyless entry receiver, each door request switch, door key cylinder switch, door lock/unlock switch)
NOTE:
Each function of interior room lamp timer can be set by CONSULT-III. INT Lamp.
Interior Room Lamp ON Operation
- BCM always turns the interior room lamp ON when any door opens.
- When all doors are closed, and any all door unlock operation is performed or ignition switch is turned OFF, BCM brightens interior room lamp to 30% brightness and maintains 30% brightness until any door opens.
- BCM activates the interior room timer in any of the following conditions to turn the interior room lamp ON for a period of time.
- Any door opens before all doors close.
- Ignition switch is turned ON to OFF.
- Any door unlock signal is detected when all doors close with ignition switch OFF.
NOTE:
The timer is restarted if new condition is input during the timer operating time.
Interior Room Lamp OFF Operation
BCM stops the timer in any of the following conditions to turns the interior room lamp OFF.
- The interior room lamp timer operating time is expired with all doors closed.
- Ignition switch position is other than OFF with all doors close.
- Any door lock operation is detected with all doors close.
TRUNK ROOM LAMP CONTROL
BCM controls the trunk room lamp (ground-side) to turn ON with trunk room lamp switch ON.
STEP LAMP CONTROL
BCM controls the step lamp (ground-side) to turn ON with any door switch ON.
OUTSIDE HANDLE LAMP TIMER CONTROL
Outside Handle Lamp Timer Basic Operation
- BCM controls the ground to turn the outside handle lamp ON.
- The outside handle lamp turns ON and OFF by the outside handle lamp timer.
- BCM judges the vehicle condition with the following items. It activates the outside handle lamp timer.
- Ignition switch status
- Door switch signal
- Door lock/unlock signal (remote keyless entry receiver, each door request switch)
- Driver side door lock status
Outside Handle Lamp ON Operation
BCM activates the outside handle lamp timer in any of the following conditions to turn the outside handle lamp
ON for a period of time.
- Any door opens.
- Any door opens before all doors close.
- Ignition switch is turned ON to OFF.
- Door unlock signal by remote keyless entry receiver or each door request switch is detected.
- Driver side door is locked
NOTE:
The timer is restarted if new condition is input during the timer operating time.
Outside Handle Lamp OFF Operation
BCM stops the timer in any of the following conditions to turns the outside handle lamp OFF.
- The outside handle lamp timer operating time is expired.
- The interior room lamp OFF conditions.
- The interior room lamp timer operating time is expired.
PUSH-BUTTON IGNITION SWITCH ILLUMINATION CONTROL
Push-button Ignition Switch Illumination Basic Operation
BCM controls the ON/OFF status of push-button ignition switch illumination according to vehicle status.
Heart Beat Operation
BCM repeats brightening and dimming operation of push-button ignition switch illumination when any of the following conditions are satisfied.
- Welcome light function operates.
- When ignition switch is OFF and any of the following conditions are satisfied.
- Driver door changes from closed to open
- Intelligent Key ID comparison is OK and driver side door changes from open to closed
- ID comparison by Intelligent Key transponder is OK
- Driver door is unlocked
Illumination ON Operation
When ignition switch is change from OFF to ON, push-button ignition switch illumination turns ON.
Dimming Operation
When ignition switch is change from ON to OFF, driver side is open and driver side door unlocked, push-button ignition switch illumination dims to 50% brightness.
Illumination OFF Operation
Push-button ignition switch illumination turns OFF when ignition switch turns OFF, while push-button ignition switch illumination is in ON status.
When push-button ignition switch illumination is at 50% brightness or, when in heartbeat status any of the following conditions are satisfied, push-button ignition switch illumination turns OFF.
- Driver side door from unlock to lock.
- 15 seconds after start of heartbeat operation.
- When welcome light function is not operating and any on the following conditions is satisfied.
- Driver side door is closed
- Intelligent Key ID comparison is NG
- Comparison of Intelligent Key ID by transponder is NG