Infiniti F50. Manual - part 600

 

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Infiniti F50. Manual - part 600

 

 

REAR WINDOW DEFOGGER

GW-71

C

D

E

F

G

H

J

K

L

M

A

B

GW

4. 

CHECK REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER RELAY GROUND HARNESS

1.

Turn ignition switch ON.

2.

Turn rear window defogger switch OFF.

3.

Installation rear window defogger and door mirror defogger relay.

4.

Check voltage between BCM connector B4 terminal 144 and ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 6.

5. 

CHECK HARNESS CONTINUITY 

1.

Turn ignition switch OFF.

2.

Disconnect condenser and rear window defogger remove door mirror defogger relay connectors.

3.

Check continuity between condenser B25 terminal 1 and rear
window and door mirror defogger relay connector B8 terminal 7.

OK or NG

OK

>> Check the condition of the harness and the connector.

NG

>> Repair or replace harness between condenser and rear

window defogger and door mirror defogger relay. 

6. 

CHECK BCM HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect BCM and rear window defogger and door mirror defogger relay connectors.

3.

Check continuity between BCM connector B4 terminal 144 and rear window defogger and door mirror
defogger relay connector B8 terminal 2.

OK or NG

OK

>> Check the condition of the harness and the connector.

NG

>> Repair or replace harness between BCM and rear win-

dow defogger and door mirror defogger relay.

144 (G/W) – Ground

: Battery voltage

PIIA0211E

1 (LR) – 7 (L/R)

:Continuity should exist.

PIIA3520E

144 (G/W) – 2 (G/W)

:Continuity should exist.

PIIA3516E

GW-72

REAR WINDOW DEFOGGER

Rear Window Defogger Circuit Check

EIS003T1

1. 

CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect rear window defogger connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear window defogger connector  and ground.

OK or NG

OK

>> GO TO 2.

NG

>> GO TO 3.

2. 

CHECK REAR WINDOW DEFOGGER GROUND HARNESS 

1.

Turn ignition switch OFF.

2.

Check continuity between rear window defogger connector B421 terminal 1 and ground.

OK or NG

OK

>> Check filament, refer to 

GW-76

 .

If filament is OK, check the condition of the harness
and the connector.

If filament is NG, repair filament.

NG

>> Repair or replace harness between rear window defog-

ger and ground.

3. 

CHECK CONDENSER POWER SUPPLY CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect condenser connector.

3.

Turn ignition switch ON.

4.

Check voltage between condenser connector  and ground.

OK or NG

OK

>> Repair or replace harness between condenser and rear

window defogger.

NG

>> GO TO 4.

Con-

nector

Terminal

(Wire color)

Condition

Voltage [V]

(Approx.)

(+)

(–)

B181

2 (B)

Ground

Rear window defogger 
switch ON.

 Battery voltage

Rear window defogger 
switch OFF.

0

PIIA3517E

1(B) 

 Ground

:Continuity should exist

PIIA3518E

Con-

nector

Terminal

(Wire color)

Condition

Voltage [V]

(Approx.)

(+)

(–)

B25

1 (L/R)

Ground

Rear window defogger 
switch ON

 Battery voltage

Rear window defogger 
switch OFF.

0

PIIA3519E

REAR WINDOW DEFOGGER

GW-73

C

D

E

F

G

H

J

K

L

M

A

B

GW

4. 

CHECK CONDENSER HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect rear window defogger and door mirror defogger relay connector.

3.

Check continuity between condenser connector B25 terminal 1 and rear window defogger and door mirror
defogger relay connector B8 terminal 7.

OK or NG

OK 

>> Check the condition of the harness and the connector.

NG

>> Repair or replace harness condenser and rear window

defogger and door mirror defogger relay.

Door Mirror Defogger Power Supply Circuit Check

EIS003T2

1. 

CHECK FUSE 

Check if any of the following fuses for Fuse block (J/B) are blown.

NOTE:
Refer to 

GW-59, "Component Parts and Harness Connector Location"

 .

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to 

PG-

2, "POWER SUPPLY ROUTING"

 .

2. 

CHECK DOOR MIRROR DEFOGGER RELAY POWER SUPPLY CIRCUIT  1

1.

Turn ignition switch OFF.

2.

Remove door mirror defogger relay.

3.

Turn ignition switch ON.

4.

Check voltage between door mirror defogger relay connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace between harness rear window defog-

ger and door mirror defogger relay and door mirror defogger relay.

1 (L/R) – 7 (L/R)

:Continuity should exist.

PIIA3520E

System

Terminal No. 

Power source

Fuse No.

Ampere (A)

Door mirror defogger

3A  

AAC power supply

#4

10

Con-

nector

Terminal

(Wire color)

Condition

Voltage [V]

(Approx.)

(+)

(–)

B10

2 (L/R)

Ground

Rear window defogger 
switch ON.

 Battery voltage

Rear window defogger 
switch OFF.

0

PIIA2896E

GW-74

REAR WINDOW DEFOGGER

3. 

CHECK DOOR MIRROR DEFOGGER RELAY 

Check continuity between door mirror defogger relay terminals 3 and 5.

OK or NG

OK

>> GO TO 4.

NG

>> Replace door mirror defogger relay.

4. 

CHECK DOOR MIRROR DEFOGGER RELAY GROUND HARNESS 

1.

Turn ignition switch OFF.

2.

Check continuity between door mirror defogger relay connector B10 terminal 1 and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace harness between door mirror defogger

relay and ground.

5. 

CHECK DOOR MIRROR DEFOGGER RELAY POWER SUPPLY CIRCUIT 2

Check voltage between door mirror defogger relay connector B10 terminal 5 and ground.

OK or NG

OK

>> GO TO 6.

NG

>> Repair or replace harness between door mirror defogger

relay and fuse.

Terminal

Condition

Continuity

3

5

12V direct current supply 
between terminals 1 to 2

Should exist

No current supply

Should not exist

PIIA2636E

1 (B) 

 Ground

:Continuity should exist

PIIA2897E

5 (P/B) – Ground

: Battery voltage

PIIA2898E

 

 

 

 

 

 

 

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