Hazard Lamp Operation

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied at all times

Through 50A fusible link (letter f, located in the fuse and fusible link box)
To BCM terminal 70, and
Through 10A fuse [No. 19, located in the fuse block (J/B)]
To combination meter terminal 8.

Ground is supplied

To BCM terminal 67 and
To combination meter terminal 17
Through grounds M57, M61 and M79.

When the hazard switch is depressed, ground is supplied

To BCM terminal 29
Through hazard switch terminal 2
Through hazard switch terminal 1
Through grounds M57, M61 and M79.

When the hazard switch is depressed, the BCM interpreting it as turn signal is ON, outputs turn signal from BCM terminals 60 and 61.

The BCM supplies power

Through BCM terminals 60 and 61
To front turn/fog lamp LH and RH terminal 2
Through front turn/fog lamp LH and RH terminal 3
To grounds E9, E15 and E24, and
To rear turn signal lamp LH terminal 1
Through rear turn signal lamp LH terminal 3
To grounds B7 and B19, and
To rear turn signal lamp RH terminal 1
Through rear turn signal lamp RH terminal 3
To grounds B117 and B132.

BCM sends signal to combination meter through CAN communication lines, and turns on turn signal indicator lamps within combination meter.