Nissan X-Trail 32. Manual - part 411

DEF-28

< DTC/CIRCUIT DIAGNOSIS >

REAR WINDOW DEFOGGER RELAY

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace fuse block (J/B). 

5.

CHECK REAR WINDOW DEFOGGER RELAY

1.

Turn ignition switch OFF.

2.

Check rear window defogger relay. Refer to 

DEF-28, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace rear window defogger relay.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000010774381

1.

CHECK REAR WINDOW DEFOGGER RELAY

1.

Turn ignition switch OFF.

2.

Disconnect rear window defogger relay.

3.

Check continuity between rear window defogger relay terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace rear window defogger relay.

(+)

(-)

Voltage

Fuse block (J/B)

 Connector

 Terminal

M3

6C

Ground

9 – 16 V

Terminal

Condition

Continuity

Rear window 

defogger relay

12 V direct current supply between termi-

nals  

and .

Existed

No current supply

Not existed

SEF497Y

REAR WINDOW DEFOGGER

DEF-29

< DTC/CIRCUIT DIAGNOSIS >

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REAR WINDOW DEFOGGER

Component Function Check

INFOID:0000000010774382

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-29, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000010774383

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check that the following fuses are 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 7.

NO

>> Repair or replace harness.

4.

CHECK REAR WINDOW DEFOGGER CIRCUIT-I

1.

Turn ignition switch OFF.

2.

Disconnect condenser connector.

Fuse No.

Capacity

23

15 A

24

(+)

(–)

Condition 

Voltage

(Approx.)

Rear window defogger

Connector

Terminal 

B165

1

Ground

Rear window defogger 
switch

ON

Battery voltage

OFF

0 V

Rear window defogger 

Ground

Continuity 

Connector

Terminal

D166

2

Existed

DEF-30

< DTC/CIRCUIT DIAGNOSIS >

REAR WINDOW DEFOGGER

3.

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK REAR WINDOW DEFOGGER CIRCUIT-II

1.

Disconnect fuse block (J/B) connector.

2.

Check continuity between fuse block (J/B) harness connector and condenser harness connector.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

6.

CHECK FUSE BLOCK (J/B)

1.

Connect fuse block (J/B) connector.

2.

Turn ignition switch ON.

3.

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

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace or repair fuse block (J/B).

7.

CHECK FILAMENT

Check the filament for damage or blown. Refer to 

DEF-41, "Inspection and Repair"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Replace condenser. Refer to 

DEF-43, "Removal and Installation"

.

8.

CHECK CONDENSER

Check condenser. Refer to 

DEF-31, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair filament.

9.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Condenser

Rear window defogger 

Continuity

 Connector

Terminal

Connector

Terminal

D167

2

D165

1

Existed

Fuse block (J/B)

Condenser

Continuity

 Connector

Terminal

Connector

Terminal

B106

3G

B19

1

Existed

5G

(+)

(–)

Condition

Voltage

(Approx.)

Fuse block (J/B)

Connector

Terminal 

B106

3G

Ground

Rear window defogger 
switch

ON

Battery voltage

OFF

0 V

5G

ON

Battery voltage

OFF

0 V

REAR WINDOW DEFOGGER

DEF-31

< DTC/CIRCUIT DIAGNOSIS >

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Component Inspection

INFOID:0000000010774384

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CHECK CONDENSER

1.

Turn ignition switch OFF

2.

Disconnect condenser connector.

3.

Check continuity between condenser terminals.

4.

Check continuity between condenser and ground part of condenser.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace condenser. Refer to 

DEF-43, "Removal and Installation"

.

Terminal

Continuity

1

2

Existed

Condenser

Ground part of condenser

Continuity

Terminal

1

Not existed