Infiniti FX35 / FX45. Manual - part 748

GW-76

< SERVICE INFORMATION >

REAR WINDOW DEFOGGER

4.

Check voltage between door mirror (passenger side) connector
and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace harness.

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between door mirror (passenger side) connec-
tor and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3.

CHECK DOOR MIRROR DEFOGGER 

1.

Connector door mirror connector.

2.

Check continuity between each door mirror connector.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Replace door mirror (passenger side).

Check Rear Window Defogger Signal

INFOID:0000000001328017

1.

CHECK REAR WINDOW DEFOGGER SWITCH LAMP

A/C and AV switch self-diagnosis is performed. Refer to 

AV-34, "A/C and AV Switch Self-Diagnosis Function"

Does rear window defogger switch light?

YES

>> GO TO 2.

NO

>> Replace A/C and AV switch.

2.

CHECK AV COMMUNICATION LINE

AV communication line check is performed.  Refer to 

AV-79, "Unable to Operate System with A/C and AV

Switch"

Is rear window defogger displayed on the display?

YES

>> GO TO 3.

NO

>> Replace display control unit.

3.

CHECK CAN COMMUNICATION LINE

Connector

Terminal (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

D32

4 (L)

Ground

Rear window defogger 
switch ON

 Battery voltage

Rear window defogger 
switch OFF

0

PIIB8572E

Door mirror

connector

terminal

Ground

Continuity

D2 (driver side)

D32 (passenger side)

3(B)

Yes

PIIB8570E

Door mirror

connector

terminal

Terminal

Continuity

D2 (driver side)

D32 (passenger side)

3(B)

4(L)

Yes

PIIB8571E

REAR WINDOW DEFOGGER

GW-77

< SERVICE INFORMATION >

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CAN communication line check is performed. Refer to

AV-79, "CAN Communication Check"

. 

OK or NG

OK

>> Check condition of harness and connector.

NG

>> In addition, it is necessary to check CAN communication line. Refer to 

AV-79, "CAN Communica-

tion Check"

.

Check Filament

INFOID:0000000001328018

1.

When measuring voltage, wrap tin foil around the top of the neg-
ative probe. Then press the foil against the wire with your finger.

2.

Attach probe circuit tester (in Volt range) to middle portion of
each filament.

3.

If a filament is burned out, circuit tester registers 0 or battery
voltage.

4.

To locate burned out point, move probe to left and right along fil-
ament. Test needle will swing abruptly when probe passes the
point.

Filament Repair

INFOID:0000000001328019

REPAIR EQUIPMENT

SEL122R

SEL263

SEL265

GW-78

< SERVICE INFORMATION >

REAR WINDOW DEFOGGER

• Conductive silver composition (Dupont No. 4817 or equivalent)
• Ruler 30 cm (11.8 in) long
• Drawing pen
• Heat gun
• Alcohol
• Cloth

REPAIRING PROCEDURE

1.

Wipe broken heat wire and its surrounding area clean with a
cloth dampened in alcohol.

2.

Apply a small amount of conductive silver composition to tip of
drawing pen.
Shake silver composition container before use.

3.

Place ruler on glass along broken line. Deposit conductive silver
composition on break with drawing pen. Slightly overlap existing
heat wire on both sides [preferably 5 mm (0.20 in)] of the break.

4.

After repair has been completed, check repaired wire for conti-
nuity. This check should be conducted 10 minutes after silver
composition is deposited.
Do not touch repaired area while test is being conducted.

5.

Apply a constant stream of hot air directly to the repaired area
for approximately 20 minutes with a heat gun. A minimum dis-
tance of 3 cm (1.2 in) should be kept between repaired area and
hot air outlet.
If a heat gun is not available, let the repaired area dry for 24
hours.

PIIA0215E

SEL012D

SEL013D

DOOR MIRROR

GW-79

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

GW

N

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DOOR MIRROR

Wiring Diagram - MIRROR - (Without Electric Foldable Door Mirror)

INFOID:0000000001328020

TIWM1689E