Infiniti G35 (V35) Sedan. Manual - part 322

DEF-10

< COMPONENT DIAGNOSIS >

REAR WINDOW DEFOGGER RELAY

NO

>> Repair or replace the malfunctioning parts.

Component Inspection

INFOID:0000000000962691

1.

CHECK REAR WINDOW DEFOGGER RELAY

Check rear window defogger relay.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> Replace rear window defogger relay.

Terminal

Condition

Continuity

Rear window 

defogger relay

3

5

12V direct current supply between termi-
nals 1 and 2.

Existed

No current supply

Not existed

SEF497Y

REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

DEF-11

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

Description

INFOID:0000000000962692

Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window
from fogging up.

Component Function Check

INFOID:0000000000962693

1.

CHECK REAR WINDOW DEFOGGER

Check that the heating wire of rear window defogger is heated when turning the rear window defogger switch
ON.

Is the inspection result normal?

YES

>> Rear window defogger is OK.

NO

>> Refer to 

DEF-11, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000962694

1.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch ON.

2.

Check voltage between rear window defogger connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear window defogger connector.

3.

Check continuity between rear window defogger connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness between rear window defogger and ground.

3.

CHECK HARNESS CONTINUITY 1

1.

Turn ignition switch OFF.

2.

Disconnect condenser and rear window defogger connectors.

3.

Check continuity between condenser and rear window defogger connector.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace condenser.Refer to 

DEF-61, "Removal and Installation"

.

Terminals

Condition of rear window

 defogger switch

Voltage (V)

(Approx.)

(+)

(–)

Rear window defogger 

connector

Terminal 

B401

1

Ground

ON

Battery voltage

OFF

0

Rear window defogger connector

Terminal

Ground

Continuity 

B402

2

Existed

Condenser connector

Terminal

Rear window defogger connector

Terminal

Continuity 

B26

1

B401

1

Existed

DEF-12

< COMPONENT DIAGNOSIS >

REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

4.

CHECK HARNESS CONTINUITY 2

1.

Remove rear window defogger relay.

2.

Check continuity between rear window defogger relay connector and condenser connector.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace or repair harness between fuse block(J/B) and condenser.

5.

CHECK FILAMENT

Check filament.
Refer to 

DEF-12, "Component Inspection"

.

Is the inspection result normal?

YES

>> Refer to 

GI-39, "Intermittent Incident"

.

NO

>> Repair filament.

6.

CHECK INTERMITTENT INCIDENT

Check intermittent incident.
Refer to 

GI-39, "Intermittent Incident"

.

Is the inspection result normal?

YES

>>

Check the following.

• Batter power supply circuit.
• Fuse block (J/B).

NO

>> Repair or replace the malfunctioning parts.

Component Inspection

INFOID:0000000000962695

1.

CHECK FILAMENT

Check the filament for damage or blown.
Refer to 

DEF-59, "Inspection and Repair"

.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> Repair filament.

Fuse block (J/B) connector

Terminal

Condenser connector

Terminal

Continuity 

B6

10G

B26

1

Existed

11G

DRIVER SIDE DOOR MIRROR DEFOGGER

DEF-13

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

DRIVER SIDE DOOR MIRROR DEFOGGER

Description

INFOID:0000000000962696

Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror
from fogging up.

Component Function Check

INFOID:0000000000962697

1.

CHECK DRIVER SIDE DOOR MIRROR DEFOGGER

Check that heating wire of driver side door mirror defogger is heated when turning the rear window defogger
switch ON.

Is the inspection result normal?

YES

>> Driver side door mirror defogger is OK.

NO

>> Refer to 

DEF-13, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000962698

1.

CHECK POWER SUPPLY CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect door mirror (driver side) connector. 

3.

Turn ignition switch ON.

4.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness between fuse block (J/B) and door mirror (driver side).

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between door mirror (driver side) connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness between door mirror (driver side) and ground.

3.

CHECK DRIVER SIDE DOOR MIRROR DEFOGGER

Check driver side door mirror defogger.
Refer to 

DEF-14, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace door mirror (driver side). Refer to 

MIR-67, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Check intermittent incident.
Refer to 

GI-39, "Intermittent Incident"

.

Is the inspection result normal?

YES

>>

Check the following.

Terminals

Condition of rear win-

dow defogger switch

Voltage (V)

(Approx.)

(+)

(–)

Door mirror (driver side) connector

Terminal 

D3

4

Ground

ON

Battery voltage

OFF

0

Door mirror (driver side) connector

Terminal

Ground

Continuity 

D3

8

Existed