System Description: Notes

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.

BCM (body control module) controls interior lamp, room lamp timer and interior lamp battery saver. The following signals are input to BCM:

Door lock/unlock trunk open request signal from the Intelligent Key unit via CAN communication
Key cylinder switch status signal from power window main switch via power window serial link
Door switch signal from door switches (driver side, passenger side, rear LH and RH)
IGN power supply (signal) from PDU (power distribution unit)
ACC power supply (signal) from PDU