Infiniti Q45 (FY33). Manual — part 352

Component Parts and Harness Connector
Locations

SEL942W

GI

MA

EM

LC

EC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

IDX

STEP LAMP — IVMS

EL-399

System Description

POWER SUPPLY AND GROUND

Power is supplied at all times

I

to BCM terminal

105

I

through 7.5A fuse [No.

14

, located in the fuse block (J/B)].

Power is supplied at all times

I

to all step lamps terminal

q

1

I

through 10A fuse [No.

27

, located in the fuse block (J/B)].

Ground is supplied to terminal

q

14

of LCU01 and LCU02 through body grounds

M14

and

M47

.

Ground is also supplied to terminal

q

14

of LCU03 and LCU04 through body grounds

B105

and

B118

or

B22

and

B35

.

OPERATING PROCEDURE

BCM is connected to LCU01, LCU02, LCU03 and LCU04 as DATA LINE A-1 or A-2.
When any door switch is in OPEN position, ground is supplied

I

to BCM terminal

q

32

,

q

37

,

q

33

, or

q

28

I

through driver side, passenger side, rear LH or RH door switch.

Then BCM sends a signal to the LCU to turn on step lamp. With ground supplied, step lamp turns on.

STEP LAMP — IVMS

EL-400

Schematic

TEL858

GI

MA

EM

LC

EC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

IDX

STEP LAMP — IVMS

EL-401

Wiring Diagram — STEP/L —

TEL167M

STEP LAMP — IVMS

EL-402