Infiniti M45 (Y34). Manual - part 588

REAR WINDOW DEFOGGER

GW-63

C

D

E

F

G

H

J

K

L

M

A

B

GW

Wiring Diagram — DEF —

AIS001GW

TIWA0230E

GW-64

REAR WINDOW DEFOGGER

TIWA0231E

REAR WINDOW DEFOGGER

GW-65

C

D

E

F

G

H

J

K

L

M

A

B

GW

TIWA0232E

GW-66

REAR WINDOW DEFOGGER

Terminals and Reference Value for BCM

AIS001O1

Work Flow

AIS001GX

1.

Check the symptom and customer's requests.

2.

Understand the outline of system. Refer to 

GW-60, "System Description"

 .

3.

The preliminary check. Refer to 

GW-66, "Preliminary Check"

 .

4.

According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to 

GW-69,

"Trouble Diagnosis Symptom Chart"

 .

5.

Does rear defogger operate normally? OK: GO TO 6.  NG:  GO TO 4.

6.

Inspection end.

Preliminary Check

AIS002MW

POWER SUPPLY AND GROUND CIRCUIT INSPECTION

1. 

FUSE INSPECTION

●

Check that any of the following fuses in the BCM is blown.

NOTE:
Refer to 

GW-60, "Component Parts and Harness Connector Location"

 .

OK or NG?

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of problem before installing new fuse. Refer to 

PG-2,

"POWER SUPPLY ROUTING"

 .

TERMINAL

WIRE COLOR

ITEM

CONDITION

DATA (DC)

10

G/R

Rear defogger switch signal

Rear defogger switch ON

0V

Rear defogger switch OFF

Approx.5V

56

B

Ground

–

0V

68

W/B

IGN power supply

Ignition switch ON or START

Battery voltage

105

Y/L

BAT power supply

–

Battery voltage

113

B

Ground

–

0V

144

G/W

Rear window defogger and door 
mirror defogger relay control sig-
nal

Rear defogger switch ON

0V

Rear defogger switch OFF

Battery voltage

Unit

Terminal NO.

Power source

Fuse NO.

BCM

105

BAT power supply

#3

68

IGN power supply

#1