Nissan Qashqai (2007-2010). Manual - part 1459

DEF-12

< FUNCTION DIAGNOSIS >

DIAGNOSIS SYSTEM (IPDM E/R)

MOTOR FAN

1

OFF

2

Operates the cooling fan relay (low operation).

3

Operates the cooling fan relay (high operation).

4

HEAD LAMP WASHER

On

Operates the headlamp washer relay for 1 second.

EXTERNAL LAMPS

Off

OFF

TAIL

Operates the tail lamp relay.

Lo

Operates the headlamp low relay.

Hi

Operates the headlamp low relay and ON/OFF the headlamp high relay at 1 sec-
ond intervals.

Fog

Operates the front fog lamp relay.

HORN

On

Operates horn relay for 20 ms.

Test item

Operation

Description

REAR WINDOW DEFOGGER SWITCH

DEF-13

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

COMPONENT DIAGNOSIS

REAR WINDOW DEFOGGER SWITCH

WITH AUTO A/C

WITH AUTO A/C : Description

INFOID:0000000000951265

The rear window defogger is operated by turning the rear window defogger switch ON.

WITH AUTO A/C : Component Function Check

INFOID:0000000000951266

1.

CHECK REAR WINDOW DEFOGGER SWITCH OPERATION 

Check (“REAR DEF SW”, “IGN ON SW”) in DATA MONITOR mode with CONSULT-III. Refer to 

DEF-6, "REAR

WINDOW DEFOGGER : CONSULT-III Function (BCM - REAR DEFOGGER)"

.

OK or NG

OK

>> Rear window defogger switch is OK.

NG

>> Refer to 

DEF-13, "WITH AUTO A/C : Diagnosis Procedure"

.

WITH AUTO A/C : Diagnosis Procedure

INFOID:0000000000951267

1.

CHECK REAR WINDOW DEFOGGER SWITCH OPERATION 

1.

Turn ignition switch ON.

2.

Check voltage between BCM connector ground.

Is the inspection result normal?

YES

>> Refer to 

GI-39, "Intermittent Incident"

.

NO

>> GO TO 2.

2.

CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect BCM and auto amp. connector.

3.

Check continuity between BCM connector and auto amp. connector.

4.

Check continuity between BCM connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

When rear defogger switch is turned to ON

REAR DEF SW

:ON

Connector

Terminal

Condition

Voltage (V)

(Approx.)

(+)

(–)

M65

21

Ground

Rear window defogger switch is pressed.

0

Rear window defogger switch is OFF.

JPMIA0154GB

BCM connector

Terminal

Auto amp. connector

Terminal

Continuity 

M65

21

M53

23

Yes

BCM connector

Terminal

Ground

Continuity 

M65

21

No

DEF-14

< COMPONENT DIAGNOSIS >

REAR WINDOW DEFOGGER SWITCH

NO

>> Repair or replace harness between BCM and auto amp. 

3.

CHECK REAR WINDOW DEFOGGER SWITCH GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect auto amp,connector.

3.

Check continuity between auto amp. connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness between auto amp.and ground.

4.

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

>> GO TO 5.

NO

>> GO TO 6.

5.

CHECK IINTERMITTENT INCDENT

Check intermittent incident.
Refer to 

GI-39, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace auto amp. Refer to 

VTL-21, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning parts.

6.

CHECK IINTERMITTENT 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

WITHOUT AUTO A/C : Description

INFOID:0000000000978700

The rear window defogger is operated by turning the rear window defogger switch ON.

WITHOUT AUTO A/C : Component Function Check

INFOID:0000000000978756

1.

CHECK REAR WINDOW DEFOGGER SWITCH OPERATION 

Check (“REAR DEF SW”, “IGN ON SW”) in DATA MONITOR mode with CONSULT-III. Refer to 

DEF-6, "REAR

WINDOW DEFOGGER : CONSULT-III Function (BCM - REAR DEFOGGER)"

.

Auto amp. connector

Terminal

Ground

Continuity

M53

17

Existed

Connector

Terminal

Voltage (V)

(Approx.)

(+)

(–)

M65

21

Ground

JPMIA0154GB

REAR WINDOW DEFOGGER SWITCH

DEF-15

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

OK or NG

OK

>> Rear window defogger switch is OK.

NG

>> Refer to 

DEF-13, "WITH AUTO A/C : Diagnosis Procedure"

.

WITHOUT AUTO A/C : Diagnosis Procedure

INFOID:0000000000978757

1.

CHECK REAR WINDOW DEFOGGER SWITCH OPERATION 

1.

Turn ignition switch ON.

2.

Check voltage between BCM connector ground.

Is the inspection result normal?

YES

>> Refer to 

GI-39, "Intermittent Incident"

.

NO

>> GO TO 2.

2.

CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect BCM and heater control panel connector.

3.

Check continuity between BCM connector and heater control panel connector.

4.

Check continuity between BCM connector and ground

Is the inspection result normal?

YES

>> GO TO 3.

NO

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

3.

CHECK REAR WINDOW DEFOGGER SWITCH

Check rear window defogger switch.
Refer to 

DEF-16, "WITHOUT AUTO A/C : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

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

VTL-72, "Removal and

Installation"

.

4.

CHECK REAR WINDOW DEFOGGER SWITCH GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect heater control panel connector.

3.

Check continuity between heater control panel connector and ground.

When rear defogger switch is turned to ON

REAR DEF SW

:ON

Connector

Terminal (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

M65

21

Ground

Rear window defogger switch is pressed.

0

Rear window defogger switch is OFF.

JPMIA0154GB

BCM connector

Terminal

Heater control

panel connector

Terminal

Continuity 

M65

21

M54

18

Yes

BCM connector

Terminal

Ground

Continuity 

M65

21

No