Infiniti Q45 (FY33). Manual — part 303

Wiring Diagram — CLOCK —

TEL100M

GI

MA

EM

LC

EC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

IDX

CLOCK

EL-203

Component Parts and Harness Connector
Location

SEL090Y

System Description

FUNCTION

I

The following time control function is controlled by BCM.

Item

Details of control

Rear window defogger timer

Turn off rear window defogger about 15 minutes after the rear window defogger switch is
turned “ON”.

REAR WINDOW DEFOGGER TIMER

The rear window defogger system is controlled by the BCM.
Power is supplied at all times

I

through 15A fuse [No.

38

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

I

to the rear window defogger relay terminal

q

6

, and

I

through 15A fuse [No.

39

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

I

to the rear window defogger relay terminal

q

3

.

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

I

to the rear window defogger relay terminal

q

1

and,

I

to BCM terminal

q

68

I

through 7.5A fuse [No.

32

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

When the rear window defogger switch is ON, ground is supplied

I

through terminal

q

2

of the rear window defogger switch

I

to BCM terminal

q

10

.

Terminal

q

1

of the BCM then supplies ground to the rear window defogger relay terminal

q

2

.

With power and ground supplied, the rear window defogger relay is energized to operate rear window defog-
ger for about 15 minutes.
When the system is activated, the rear window defogger indicator in the rear window defogger switch illumi-
nates.

REAR WINDOW DEFOGGER

EL-204

Power is supplied

I

from rear window defogger relay terminal

q

5

I

to A/C auto amp. terminal

q

5

(without navigation system) or to the rear window defogger switch terminal

q

3

(with navigation system).

Then A/C auto amp. sends an indicator signal to A/C control unit combined with rear window defogger switch
(without navigation system) or terminal

q

4

of the rear window defogger switch is grounded through body

grounds

M14

and

M47

(with navigation system).

GI

MA

EM

LC

EC

FE

AT

PD

FA

RA

BR

ST

RS

BT

HA

IDX

REAR WINDOW DEFOGGER

System Description (Cont’d)

EL-205

Wiring Diagram — DEF —

WITHOUT NAVIGATION SYSTEM

TEL101M

REAR WINDOW DEFOGGER

EL-206