Scheme 41
SWITCH OPERATION
When a door is opened, the door switch closes to send a ground signal to the BCM. When the trunk is opened, the trunk lamp switch and trunk release solenoid closes sending a ground signal to the BCM.
ROOM LAMP TIMER OPERATION
When the interior room lamp switch is in DOOR position and when all conditions below are met, BCM begins timer control (maximum 30 seconds) for interior room lamp ON/OFF.
- When the door LH is unlocked [with Intelligent Key, main power window and door lock/unlock switch, or door lock assembly LH (key cylinder switch)].
- When a door opens --> closes and the Intelligent Key is not inserted in the key slot.
Timer control is cancelled under the following conditions.
- When the door LH is locked [with Intelligent Key, main power window and door lock/unlock switch, or door lock assembly LH (key cylinder switch)].
- A door is opened (door switch turns ON).
- Intelligent Key is inserted into the key slot.
Interior lamp operational settings can be changed with the function setting of CONSULT.
System Description
The illumination lamps operation is dependent upon the position of the combination switch (lighting and turn signal switch). When the combination switch (lighting and turn signal switch) is placed in the 1ST or 2ND position (or if the auto light system is activated) the BCM (body control module) receives input requesting the parking lamps to illuminate. This input is communicated to the IPDM E/R (intelligent power distribution module engine room) via the CAN communication lines. The CPU (central processing unit) of the IPDM E/R controls the tail lamp relay coil. When energized, this relay directs power to the parking and illumination lamps, which then illuminate.
Scheme 42
ILLUMINATION OPERATION BY COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH)
With the combination switch (lighting and turn signal switch) in the 1ST or 2ND position (or if the auto light system is activated), the BCM receives input requesting the illumination lamps to illuminate. This input is communicated to the IPDM E/R across the CAN communication lines. The CPU of the IPDM E/R controls the tail lamp relay coil which, when energized, directs power.
Description
Provides the interior room lamp power supply. Also cuts the power supply when the interior room lamp battery saver is activating.
Controls each interior room lamp (ground side) by PWM signal.
Note. PWM signal control period is approximately 250 Hz (in the gradual brightening/dimming).
Controls the step lamp (ground side) to turn the step lamp ON and OFF.
Controls the trunk room lamp (ground side) to turn the trunk room lamp ON and OFF.
Provides the power supply and the ground to control the push-button ignition switch illumination.