Component Description

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Unit	Description
Combination switch (lighting and turn signal switch)	Transmits the lighting switch signal to the BCM.
Combination meter	Receives a buzzer output signal from the BCM with CAN communication line and sounds the buzzer. Receives the seat belt buckle switch signal from the seat belt buckle switch (driver seat) and transmits it to the BCM via CAN communication. Judges whether the parking brake is released using the vehicle speed signal and the parking brake switch signal, and sounds the buzzer if necessary.
BCM	Based on the signals received from various units and switches, transmits the buzzer output signal to the combination meter via CAN communication.
Front door switch LH	Transmits the front door switch LH signal to the BCM.
Seat belt buckle switch (driver seat)	Transmits the seat belt buckle switch (driver seat) signal to the combination meter.
Parking brake switch	Transmits the parking brake switch signal to the combination meter.
ABS actuator and electric unit (control unit)	Transmits the vehicle speed signal to the combination meter via CAN communication.