QX56 V8-5.6L (VK56DE) (2004)
receives light warning signal, it sounds warning chime.
SEAT BELT WARNING CHIME
When the ignition switch is turned ON with the seat belt unfastened (seat belt buckle switch LH unfastened), warning chime will sound for
approximately 6 seconds.
Ground is supplied
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to combination meter terminal 27
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through seat belt buckle pre-tensioner assembly (seat belt buckle switch) LH terminal 1.
Seat belt buckle pre-tensioner assembly (seat belt buckle switch) LH terminal 2 is grounded through body grounds B7 and B19.
The combination meter sends seat belt buckle switch LH unfastened signal to BCM via CAN communication line.
BCM receives seat belt buckle switch LH unfastened signal from combination meter via CAN communication line, and sends seat belt warning signal to
the combination meter via CAN communication line. When the combination meter receives the seat belt warning signal, it sounds the warning chime.
The BCM controls the (6 second) duration of the seat belt warning chime.
CAN Communication System Description
Refer to Information Bus.