Nissan Murano: System / Daytime Running Light System

System Description

SYSTEM DIAGRAM

Signal transmission function list

OUTLINE

• Turns the front combination lamps on through the LED daytime, parking lamp control module as the daytime running light.

• Daytime running light is controlled by daytime running light control function and combination switch reading function of BCM, and relay control function of IPDM E/R.

DAYTIME RUNNING LIGHT OPERATION

• BCM detects the combination switch (lighting and turn signal switch) condition by the combination switch reading function.

• BCM detects the Nissan Murano vehicle condition according to ignition switch.

• BCM detects the parking brake condition by the parking brake switch signal received from combination meter via CAN communication.

• BCM transmits the daytime running light request signal to IPDM E/R via CAN communication according to the daytime running light ON condition.

  Daytime running light ON condition:

  • Ignition switch ON

  • Lighting switch OFF or 1ST

  • Lighting switch AUTO, and the auto light function OFF judgment

  • Parking brake switch OFF

• IPDM E/R controls the daytime running light relay (ground-side) to turn ON according to the daytime running light request signal.

• Power is supplied from the daytime running light relay to front combination lamp RH and LH, and then daytime running lamps are illuminated.