Nissan Qashqai J11. Manual - part 1811

REAR WINDOW DEFOGGER

DEF-27

< DTC/CIRCUIT DIAGNOSIS >

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REAR WINDOW DEFOGGER

Component Function Check

INFOID:0000000010434122

1.

CHECK REAR WINDOW DEFOGGER

1.

Perform BCM Active Test (“REAR DEFOGGER”) with CONSULT.

2.

Touch “ON”.

3.

Check that the rear window heating wire is getting warmer.

Is the inspection result normal?

YES

>> Rear window defogger is OK.

NO

>> Refer to 

DEF-27, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000010434123

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check that the following fuse is not fusing.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Disconnect rear window defogger connector.

2.

Turn ignition switch ON.

3.

Check voltage between rear window defogger harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between rear window defogger harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

4.

CHECK REAR WINDOW DEFOGGER CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect fuse block (J/B) connector.

Fuse No.

Capacity

10

15 A

11

(+)

(–)

Condition 

Voltage (V)

(Approx.)

Rear window defogger

Connector

Terminal 

B46

1

Ground

Rear window defogger 
switch

ON

Battery voltage

OFF

0

Rear window defogger 

Ground

Continuity 

Connector

Terminal

D82

2

Existed

DEF-28

< DTC/CIRCUIT DIAGNOSIS >

REAR WINDOW DEFOGGER

3.

Check continuity between fuse block (J/B) harness connector and rear window defogger harness connec-
tor.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK FUSE BLOCK (J/B)

1.

Turn ignition switch ON.

2.

Check voltage between fuse block (J/B) (fuse block side) and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Replace fuse block (J/B).

6.

CHECK FILAMENT

Check the filament for damage or blown.
Refer to 

DEF-42, "Inspection and Repair"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair filament.

7.

CHECK INTERMITTENT INCIDENT

Check intermittent incident.
Refer to 

DEF-42, "Inspection and Repair"

.

>> INSPECTION END

Fuse block (J/B)

Rear window defogger 

Continuity

 Connector

Terminal

Connector

Terminal

B35

3H

B46

1

Existed

5H

(+)

(–)

Condition

Voltage (V)

(Approx.)

Fuse block (J/B)

Connector

Terminal 

B35

3H

Ground

Rear window defogger 
switch

ON

Battery voltage

OFF

0

5H

ON

Battery voltage

OFF

0

DOOR MIRROR DEFOGGER

DEF-29

< DTC/CIRCUIT DIAGNOSIS >

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DOOR MIRROR DEFOGGER

Component Function Check

INFOID:0000000010434125

1.

CHECK DOOR MIRROR DEFOGGER

1.

Perform BCM Active Test (“REAR DEFOGGER”) with CONSULT.

2.

Touch “ON”.

3.

Check that both side door mirror glass is getting warmer.

Is the inspection result normal?

YES

>> Door mirror defogger is OK.

NO

>> Refer to 

DEF-29, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000010434126

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check that the following fuse is not fusing.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

2.

CHECK FUSE BLOCK (J/B)

1.

Disconnect fuse block (J/B) connector.

2.

Turn ignition switch ON.

3.

Check voltage between fuse block (J/B) (fuse block side) and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace fuse block (J/B).

3.

CHECK INTERMITTENT INCIDENT

Check intermittent incident.
Refer to 

GI-41, "Intermittent Incident"

.

>> INSPECTION END

Fuse No.

Capacity

12

10 A

(+)

(-)

Condition 

Voltage (V)

(Approx.)

Fuse block (J/B)

Connector

Terminal

M76

4B

Ground

Rear window 
defogger switch

ON

Battery voltage

OFF

0

5B

ON

Battery voltage

OFF

0

DEF-30

< DTC/CIRCUIT DIAGNOSIS >

DRIVER SIDE DOOR MIRROR DEFOGGER

DRIVER SIDE DOOR MIRROR DEFOGGER

Component Function Check

INFOID:0000000010434127

1.

CHECK DRIVER SIDE DOOR MIRROR DEFOGGER

1.

Perform BCM Active Test (“REAR DEFOGGER”) with CONSULT.

2.

Touch “ON”.

3.

Check that the driver side door mirror glass is getting warmer.

Is the inspection result normal?

YES

>> Driver side door mirror defogger is OK.

NO

>> Refer to 

DEF-30, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000010434128

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) harness connector and ground.

LHD

RHD

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK DRIVER SIDE DOOR MIRROR DEFOGGER CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect fuse block (J/B) connector.

3.

Check continuity between fuse block (J/B) harness connector and door mirror (driver side) harness con-
nector.

LHD

RHD

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

(+)

(-)

Condition

Voltage (V)

(Approx.)

Door mirror (driver side)

 Connector

Terminal 

D3

2

Ground

Rear window defogger 
switch

ON

Battery voltage

OFF

0

(+)

(-)

Condition

Voltage (V)

(Approx.)

Door mirror (driver side)

 Connector

Terminal 

D40

2

Ground

Rear window defogger 
switch

ON

Battery voltage

OFF

0

Fuse block (J/B)

Door mirror (driver side)

Continuity

 Connector

Terminal 

Connector

Terminal

M76

4B

D3

2

Existed

Fuse block (J/B)

Door mirror (driver side)

Continuity

 Connector

Terminal 

Connector

Terminal

M76

5B

D40

2

Existed