Infiniti M45 (Y34). Manual — part 662

STEP LAMP

LT-155

C

D

E

F

G

H

I

J

L

M

A

B

LT

●

to rear LH door control unit terminal 11 through grounds B17 and B57

●

to rear RH door control unit terminal 11 through grounds B217 and B256.

OPERATING PROCEDURE

BCM is connected to driver door control unit as DATA LINE A-3.
Then driver door control unit is connected to each door control unit.
When any door switch is in OPEN position, ground is supplied

●

to BCM terminal 33, 37, 142, or 143

●

through front door switch (driver or passenger side), door lock assembly rear LH or RH (door switch).

Then BCM sends a signal to the driver door control unit (LCU 01) to turn on step lamp. With ground supplied,
step lamp turns on.

LT-156

STEP LAMP

Schematic

AKS002GY

TKWA0571E

STEP LAMP

LT-157

C

D

E

F

G

H

I

J

L

M

A

B

LT

Wiring Diagram — STEP/L —

AKS002GZ

TKWA0572E

LT-158

STEP LAMP

TKWA0573E