System Description: Notes

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

The headlamp system for Canada vehicles is equipped with a daytime light control unit that activates the high beam headlamps at approximately half illumination whenever the engine is running. If the parking brake is applied before the engine is started the daytime lights will not be illuminated. The daytime lights will illuminate once the parking brake is released. Thereafter, the daytime lights will continue to operate when the parking brake is applied.

Battery saver system is controlled by the BCM. Power is supplied at all times

To headlamp high relay located in the IPDM E/R (intelligent power distribution module engine room) and
To headlamp low relay located in the IPDM E/R (intelligent power distribution module engine room). Power is also supplied at all times
To BCM (body control module) terminal 55
Through 50A fusible link (letter j, located in the fuse and fusible link box)
To BCM (body control module) terminal 42
Through 15A fuse [No. 3, located in the fuse block (J/B)], and
To daytime light control unit terminals 2 and 3
Through 15A fuse [No. 29, located in the fuse block (J/B)].

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

To daytime light control unit terminal 12
Through 10A fuse [No. 12, located in the fuse block (J/B)], and
To BCM (body control module) terminal 38
Through 10A fuse [No. 16, located in the fuse block (J/B)].

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

To BCM (body control module) terminal 11
Through 10A fuse [No. 4, located in the fuse block (J/B)].

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

To daytime light control unit terminal 1
Through 10A fuse [No. 9, located in the fuse block (J/B)].
Ground is supplied
To daytime light control unit terminal 9
Through body grounds E9, E15 and E24, and
To BCM (body control module) terminals 49 and 52
Through body grounds M57, M61 and M79.