Nissan Titan A60. Manual - part 229

REAR WINDOW DEFOGGER

DEF-37

< WIRING DIAGRAM >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

ABLIA2777GB

DEF-38

< SYMPTOM DIAGNOSIS >

REAR WINDOW DEFOGGER SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

REAR WINDOW DEFOGGER SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000006164659

Symptom

Diagnoses / Service procedure

Refer to page

Rear window defogger and door mirror defoggers do not 
operate. (with heated mirrors)

1. BCM power supply and ground circuit check

BCS-28

2. IPDM E/R auto active test check

PCS-13

3. Rear window defogger switch circuit check

DEF-39

4. Rear window defogger circuit check

DEF-39

5. Replace IPDM E/R

PCS-28

Rear window defogger does not operate. 
(without heated mirrors)

1. BCM power supply and ground circuit check

BCS-28

2. IPDM E/R auto active test check

PCS-13

3. Rear window defogger switch circuit check

DEF-9

4. Rear window defogger circuit check

DEF-12

5. Filament check

DEF-46

6. Replace IPDM E/R

PCS-28

Rear window defogger does not operate but both of door 
mirror defoggers operate. (with heated mirrors)

1. Rear window defogger circuit check

DEF-40

2. Filament check

DEF-46

3. Replace IPDM E/R

PCS-28

Both door mirror defoggers do not operate but rear window 
defogger operates. (with heated mirrors)

1. Door mirror defogger power supply circuit check

DEF-41

2. Replace IPDM E/R

PCS-28

Door mirror LH defogger does not operate. (with heated 
mirrors)

1. Door mirror LH defogger circuit check

DEF-42

Door mirror RH defogger does not operate. (with heated 
mirrors)

1. Door mirror RH defogger circuit check

DEF-43

Rear window defogger switch does not light, and rear win-
dow defogger is not shown on the display, but rear window 
defogger operates. 

1. Replace front air control

VTL-8

REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER DO NOT OPER-

ATE.

DEF-39

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER DO NOT
OPERATE.

Diagnosis Procedure

INFOID:0000000006164660

1.

 CHECK REAR WINDOW DEFOGGER SWITCH

Check rear window defogger switch.

If equipped 2 control dial system or auto A/C, refer to 

DEF-9, "Component Function Check (2 Control Dial Sys-

tem or Auto A/C)"

.

If equipped 3 control dial system or without auto A/C, refer to 

DEF-9, "Component Function Check (3 Control

Dial System Without Auto A/C)"

.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace the malfunctioning parts.

2.

 CHECK REAR WINDOW DEFOGGER RELAY

Check rear window defogger relay.

Refer to 

DEF-11, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace the malfunctioning parts.

3.

 CHECK REAR WINDOW DEFOGGER SYSTEM

Check rear window defogger system.

Refer to 

DEF-12, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace the malfunctioning parts.

4.

 CHECK INTERMITTENT INCIDENT

Check intermittent incident.

Refer to 

GI-39, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Check the following.

• Battery power supply circuit

• IPDM E/R

NO

>> Repair or replace the malfunctioning parts.

DEF-40

< SYMPTOM DIAGNOSIS >

REAR WINDOW DEFOGGER DOES NOT OPERATE BUT BOTH OF DOOR MIR-

ROR DEFOGGER OPERATE.

REAR WINDOW DEFOGGER DOES NOT OPERATE BUT BOTH OF DOOR
MIRROR DEFOGGER OPERATE.

Diagnosis Procedure

INFOID:0000000006164661

1.

 CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

Check rear window defogger power supply and ground circuit.

Refer to 

DEF-12, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Refer to 

GI-39, "Intermittent Incident"

.

NO

>> Repair or replace the malfunctioning parts.