System Description

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

Power is supplied at all times

Through 10A fuse [No. 20, located in fuse block (J/B)]
To stop lamp switch terminal 1, and
To stop lamp relay terminals 2 and 3 (with hill descent control and hill start assist).

When the brake pedal is pressed, the stop lamp switch is closed and power is supplied

Through stop lamp switch terminal 2
To rear combination lamp LH and RH terminal 2
To high-mounted stop lamp terminal 1
To ABS actuator and electric unit (control unit) terminal 41, and
To stop lamp relay terminal 5 (with hill descent control and hill start assist).

Ground is supplied

To rear combination lamp LH terminal 5
Through ground B85, and
To rear combination lamp RH terminal 5
Through ground B160, and
To high-mounted stop lamp terminal 2
Through grounds B406 and B652.

With power and ground supplied, the stop lamps illuminate.