Nissan Qashqai (2007-2010). Manual — part 1460

DEF-16

< COMPONENT DIAGNOSIS >

REAR WINDOW DEFOGGER SWITCH

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness between heater control panel and ground.

5.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Turn ignition switch ON.

3.

Check voltage between BCM connector and ground.

Is the inspection result normal?

YES

>> Refer to

GI-39, "Intermittent Incident"

.

NO

>> GO TO 6.

6.

CHECK INTERMITTENT INCDENT

Check intermittent incident.
Refer to

GI-39, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-64, "Exploded View"

.

NO

>> Repair or replace the malfunctioning parts.

WITHOUT AUTO A/C : Component Inspection

INFOID:0000000000997885

1.

CHECK HEATER CONTROL PANEL (REAR WINDOW DEFOGGER SWITCH)

Check heter control panel (rear window defogger switch).

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> Replace heter control panel (rear window defogger switch). Refer to

VTL-72, "Removal and Instal-

lation"

.

Heater control panel connector

Terminal

Ground

Continuity

M54

20

Existed

Connector

Terminal

Voltage (V)

(Approx.)

(+)

(–)

M65

21

Ground

JPMIA0154GB

Terminal

Condition

Continuity

Heater control panel

18

20

Rear window defogger switch is pressed

Existed

Rear window defogger switch: OFF

Not existed

REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

DEF-17

< 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:0000000000951272

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:0000000000951273

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-17, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000951274

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 4.

NO

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

3.

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R and rear window defogger connectors.

3.

Check continuity between IPDM E/R and rear window defogger connector.

4.

Check continuity between IPDM E/R connector and ground.

Terminals

Condition of rear window

defogger switch

Voltage (V)

(Approx.)

(+)

(–)

Rear window defogger

connector

Terminal

B58

1

Ground

ON

Battery voltage

OFF

0

Rear window defogger connector

Terminal

Ground

Continuity

D155

2

Existed

IPDM E/R connector

Terminal

Rear window defogger connector

Terminal

Continuity

E14

49

B58

1

Existed

IPDM E/R connector

Terminal

Ground

Continuity

E14

49

Not existed

DEF-18

< COMPONENT DIAGNOSIS >

REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness between IPDM E/R and rear window defogger .

4.

CHECK FILAMENT

Check filament.
Refer to

DEF-18, "Component Inspection"

.

Is the inspection result normal?

YES

>> Refer to

GI-39, "Intermittent Incident"

.

NO

>> Repair filament.

5.

CHECK IPDM E/R OUTPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between IPDM E/R connector and ground.

Is the inspection result normal?

YES

>> Refer to

GI-39, "Intermittent Incident"

.

NO

>> Replace IPDM E/R. Refer to

PCS-32, "Removal and Installation"

.

Component Inspection

INFOID:0000000000951275

1.

CHECK FILAMENT

Check the filament for damage or blown.
Refer to

DEF-75, "Inspection and Repair"

.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> Repair filament.

Terminal

Condition

Voltage (V)

(Approx.)

(+)

(–)

49

Ground

Rear window defogger switch : ON

Battery voltage

Rear window defogger switch : OFF

0

DRIVER SIDE DOOR MIRROR DEFOGGER

DEF-19

< 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:0000000000951276

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:0000000000951277

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-19, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000951278

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

>> GO TO 3.

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 4.

NO

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

3.

CHECK DOOR MIRROR HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between door mirror (driver side) connector and IPDM E/R.

4.

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

Terminals

Condition of rear win-

dow defogger switch

Voltage (V)

(Approx.)

(+)

(–)

Door mirror (driver side) connector

Terminal

D3(LHD)

D23(RHD)

7

Ground

ON

Battery voltage

OFF

0

Door mirror (driver side) connector

Terminal

Ground

Continuity

D3(LHD)

D23(RHD)

8

Existed

Door mirror (driver side) connector

Terminal

IPDM E/R connector

Terminal

Continuity

D3(LHD)

D23(RHD)

7

E14

49

Existed