Nissan Murano: System / Exterior Lamp Battery Saver System

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Controls / Exterior Lighting System :: Led Headlamp / System Description / System / Exterior Lamp Battery Saver System

System Description

SYSTEM DIAGRAM

Signal transmission function list

Signal name	Input	Output	Description
Combination switch signal	Combination switch (lighting and turn signal switch)	BCM	Transmits the combination switch signal to the BCM.
High beam request signal	BCM	IPDM E/R (CAN) Combination meter (CAN)	Transmits the high beam request signal via CAN communication.
Low beam request signal	BCM	IPDM E/R (CAN)	Transmits the low beam request signal via CAN communication.

OUTLINE

Exterior lamp battery saver system is controlled by each function of BCM and IPDM E/R.

Control by BCM
- Combination switch reading function
- Exterior lamp battery saver function
Control by IPDM E/R
- Relay control function
BCM turns the exterior lamp OFF*, according to the Nissan Murano vehicle status when ignition switch OFF while exterior lamp is ON, for preventing battery discharge.

*: Headlamp (HI/LO).

EXTERIOR LAMP BATTERY SAVER ACTIVATION

BCM activates the timer and turns the exterior lamp OFF 45 seconds after the ignition switch is placed ON→OFF with the exterior lamps ON.
When in any of following conditions (after the exterior lamp battery saver is activated), exterior lamps can be turned ON:
- Ignition switch OFF→ACC/ON
- Lighting switch is changed

Front Fog Lamp System

System Description SYSTEM DIAGRAMSignal transmission function list Signal name Input Output Description Combination switch signal Combination switch (lighting and turn signal switch) BCM Transmits the combination switch signal to the BCM...

Diagnosis System (ipdm E/r)

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