Interior Lights System Description - Control/Function
System Function
Initial state of connection of electric power supply
In the initial state of connection of electric power supply, close/open of each door is detected and controlled without being affected by states of the vehicle mode and the driver's door lock knob switch.

Input
Output Control
Each Door Switch
Ignition Key Switch*1
Ignition Switch*1
or
Engine Start/Stop Switch*2
Before Input Change
After Input Change
Any ON
(Door open)
ON
??
??
Lights ON
OFF
??
??
Lights ON by timer condition 3
All OFF
(Door close)
??
??
??
Lights OFF
*1: Without keyless access system
*2: With keyless access system
NOTE: The "??" means that not use on this system.

Driver's door lock knob switch link
When the driver's door lock knob switch moves from the lock/unlock position, the MICU detects a driver's door open/close position, and controls the interior lights.

Input
Output Control
Driver's Door Lock Knob Switch
(ON: LOCK)
Each Door Switch
Ignition Key
Switch*1
Ignition Switch*1
or
Engine Start/Stop Switch*2
Before Input Change
After Input Change
ON ? OFF
All OFF
(Door close)
OFF
OFF (LOCK) mode
Lighting ON
Lighting ON by timer condition 1
Lighting OFF
Lighting ON by timer condition 5
ON
OFF (LOCK) mode
??
Continue the status
before input change
Any ON
(Door open)
??
OFF (LOCK) mode
??
OFF ? ON
All OFF
(Door close)
??
OFF (LOCK) mode
??
Lights OFF
Any ON
(Door open)
??
OFF (LOCK) mode
??
Continue the status
before input change
*1: Without keyless access system
*2: With keyless access system
NOTE: The "??" means that not use on this system.

Each door switch link
Anytime a door switch closes (ON signal), the MICU provides a ground to the interior lights.

Input
Output Control
Each Door Switch
Driver's Door Lock
Knob Switch
(ON: LOCK)
Ignition Key Switch*1
Ignition Switch*1 or
Engine Start/Stop Switch*2
Before Input Change
After Input Change
Any ON
(Door open)
?
All OFF
(Door close)
OFF
OFF
OFF (LOCK) mode
Lighting ON
Lighting ON by timer condition 2
Lighting OFF
Continue the status
before input change
ON
ON mode
??
Lights OFF
??
??
??
Lights OFF
ON
??
??
??
Any OFF
(Door close)
?
ON (Door open)
??
OFF
OFF (LOCK) mode
Lighting ON
Lighting ON by timer condition 3
(Timer restart)
Lighting OFF
Lighting ON by timer condition 3
ON mode
??
Lights ON
ON
??
??
*1: Without keyless access system
*2: With keyless access system
NOTE: The "??" means that not use on this system.

Ignition key switch link (without keyless access system)
When the system detects that the ignition key is inserted into the ignition key switch, it provides a ground to the interior lights.

Input
Output Control
Ignition key switch
Each Door Switch
Ignition Switch
Before Input Change
After Input Change
ON ? OFF
All OFF (Door close)
OFF (LOCK) mode
Lighting ON
Lights ON by timer condition 1
Lighting OFF
Lights ON by timer condition 5
Any ON (Door open)
OFF (LOCK) mode
??
Lights ON by timer condition 3
OFF ? ON
All OFF (Door close)
OFF (LOCK) mode
??
Continue the status
before input change
Any ON (Door open)
OFF (LOCK) mode
??
Lights ON
NOTE: The "??" means that not use on this system.

Ignition switch or engine start/stop switch link
If the vehicle is turned to the ACCESSORY mode or ON mode with the doors closed and the entry light control system illuminating the interior lights, the MICU fades the lights off.

Input
Output Control
Ignition Switch*1
or
Engine Start/Stop Switch*2
Ignition Key Switch*1
Each Door Switch
Before Input Change
After Input Change
ON mode ?
OFF (LOCK) mode
OFF
All OFF (Door close)
Lighting ON
Lighting ON by Timer condition 1
Lighting OFF
Lighting ON by Timer condition 5
Any ON (Door open)
??
Lights ON by timer condition 3
All OFF (Door close)
??
Lights OFF
Any ON (Door open)
??
Lights ON by timer condition 3
ON
??
??
Continue the status
before input change
OFF (LOCK) mode ? ON mode
ON/OFF
All OFF (Door close)
??
Lights OFF
Any ON (Door open)
??
Lights ON
*1: Without keyless access system
*2: With keyless access system
NOTE: The "??" means that not use on this system.

Keyless link
When the MICU receives a keyless lock/unlock signal, it provides a ground to the interior lights.

Input
Output Control
Keyless Door LOCK/
UNLOCK signal
Each Door Switch
Driver's Door Lock
Knob Switch (ON: LOCK)
Before Input Change
After Input Change
UNLOCK signal
All OFF
(Door close)
ON ? OFF or OFF
??
Lighting ON by timer condition 4
ON
??
Continue the status
before input change
Any ON
(Door open)
??
??
Lighting ON by timer condition 3
LOCK Signal
All OFF
(Door close)
OFF ? ON or ON
??
Lights OFF
OFF
??
Continue the status
before input change
Any ON
(Door open)
??
??
Continue the status
before input change
NOTE: The "??" means that not use on this system.

Tailgate Link
When the MICU receives a tailgate latch switch signal, it provides a ground to the interior lights.

Input
Output Control
Tailgate Latch Switch
Vehicle Mode
Before Input Change
After Input Change
OFF (Tailgate close) ?
ON (Tailgate open)
OFF (LOCK) mode
??
Lighting ON by timer condition 1
ON mode
??
Continue the status before input change
ON (Tailgate open) ?
OFF (Tailgate close)
OFF (LOCK) mode
??
Lights OFF
ON mode
??
Lights OFF
NOTE: The "??" means that not use on this system.

Timer Control
The chart shows lighting duration, along with the dimming function that occurs at the end of the timer period.
Tailgate Link Control
Control Function
The MICU controls the cargo area light ON/OFF based on the tailgate latch switch signals and the mechanical light switch position (ON or OFF).