System Description: Notes

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied at all times

to ignition relay, located in the IPDM E/R (intelligent power distribution module engine room),
to tail lamp relay, located in the IPDM E/R,
through 50A fusible link (letter g , located in the fuse and fusible link box)
to BCM (body control module) terminal 70,
to 15A fuse (No. 60, located in the fuse and relay box),
to trailer turn relay RH and LH terminal 5,
through 20A fuse (No. 53, located in the IPDM E/R)
to CPU of the IPDM E/R,
through 10A fuse (No. 32, located in the IPDM E/R)
to IPDM E/R terminal 61
to trailer tow relay 1 terminal 3,
through 30A fusible link (letter m , located in the fuse and fusible link box)
to trailer tow relay 2 terminals 3 and 6, and
through 30A fusible link (letter h, located in the fuse and fusible link box)
to electric brake (pre-wiring) terminal 5.

With the ignition switch in the ON or START position, power is supplied

to ignition relay, located in the IPDM E/R, and
through 10A fuse [No. 1, located in the fuse block (J/B)]
to BCM terminal 38, and
through 10A fuse (No. 38, located in the IPDM E/R)
to IPDM E/R terminal 27, and
to trailer tow relay 2 terminal 1.

Ground is supplied

to BCM terminal 67 and
to electric brake (pre-wiring) terminal 1
through grounds M57, M61 and M79, and
to IPDM E/R terminals 38 and 59
to trailer tow relay 1 terminal 2
to trailer tow relay 2 terminal 2
to trailer connector terminal 1 (trailer tow 7 pin) or terminal 4 (trailer tow 4 pin), and
to trailer turn relay RH and LH terminal 2
through grounds E9, E15 and E24.