Nissan Cube. Manual - part 158

DIAGNOSIS SYSTEM (IPDM E/R)

DEF-19

< SYSTEM DESCRIPTION >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

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.

Test item

Operation

Description

DEF-20

< DTC/CIRCUIT DIAGNOSIS >

REAR WINDOW DEFOGGER SWITCH

DTC/CIRCUIT DIAGNOSIS

REAR WINDOW DEFOGGER SWITCH

WITH AUTO A/C

WITH AUTO A/C : Component Function Check

INFOID:0000000009945433

1.

CHECK FUNCTION

1.

Check (“REAR DEF SW”) in BCM - REAR DEFOGGER “DATA MONITOR” mode by using CONSULT.

2.

Operate rear window defogger switch and check the status on CONSULT screen.

Is the inspection result normal?

YES

>> Rear window defogger switch function is OK.

NO

>> Refer to 

DEF-20, "WITH AUTO A/C : Diagnosis Procedure"

.

WITH AUTO A/C : Diagnosis Procedure

INFOID:0000000009945434

1.

CHECK AUTO A/C

Check the operating condition of auto A/C

Does auto A/C operate normally?

YES

>> GO TO 2.

NO

>> Perform auto A/C diagnosis. Refer to 

HAC-114, "Diagnosis Chart By Symptom"

.

2.

CHECK BCM OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect A/C auto amp. connector.

3.

Check signal between A/C auto amp. harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and A/C auto amp. harness connector.

3.

Check continuity between BCM harness connector and ground.

Monitor Item

Condition

status

REAR DEF SW

rear window defogger switch

Pressed

On

Released

Off

(+)

(–)

Voltage (V)

(Approx.)

A/C auto amp.

Connector

Terminal

M51

33

Ground

JPMIA0012GB

BCM

A/C auto amp.

Continuity 

Connector

Terminal

Connector

Terminal

M68

15

M51

33

Existed

REAR WINDOW DEFOGGER SWITCH

DEF-21

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

DEF

N

O

P

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-88, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK REAR WINDOW DEFOGGER SWITCH

Refer to 

DEF-21, "WITH AUTO A/C : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace A/C auto amp. Refer to 

HAC-122, "Removal and Installation"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

Is the inspection result normal?

>> INSPECTION END

WITH AUTO A/C : Component Inspection

INFOID:0000000009945435

1.

CHECK REAR WINDOW DEFOGGER SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect A/C auto amp. connector.

3.

Check continuity between A/C auto amp. terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace A/C auto amp. Refer to 

HAC-122, "Removal and Installation"

.

WITH MANUAL A/C

WITH MANUAL A/C : Component Function Check

INFOID:0000000009945436

1.

CHECK FUNCTION

1.

Check (“REAR DEF SW”) in BCM - REAR DEFOGGER “DATA MONITOR” mode by using CONSULT.

2.

Operate rear window defogger switch and check the status on CONSULT screen.

Is the inspection result normal?

YES

>> Rear window defogger switch function is OK.

NO

>> Refer to 

DEF-21, "WITH MANUAL A/C : Diagnosis Procedure"

.

WITH MANUAL A/C : Diagnosis Procedure

INFOID:0000000009945437

1.

CHECK MANUAL A/C

Check the operating condition of manual A/C
Does manual A/C operate normally?

BCM

Ground

Continuity 

Connector

Terminal

M68

15

Not existed

A/C auto amp.

Condition

Continuity

Terminal

16

33

Rear window defogger switch

Pressed

Existed

Released

Not existed

Monitor Item

Condition

status

REAR DEF SW

rear window defogger switch

Pressed

On

Released

Off

DEF-22

< DTC/CIRCUIT DIAGNOSIS >

REAR WINDOW DEFOGGER SWITCH

YES

>> GO TO 2.

NO

>> Perform manual A/C diagnosis. Refer to 

HAC-196, "Diagnosis Chart By Symptom"

.

2.

CHECK BCM OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect A/C control connector.

3.

Check voltage between A/C control harness connector and ground.

With Intelligent Key System

Without Intelligent Key System

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and A/C control harness connector.

With Intelligent Key System

Without Intelligent Key System

3.

Check continuity between BCM harness connector and ground.

With Intelligent Key System

Without Intelligent Key System

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-88, "Removal and Installation"

 (with Intelligent Key System) or 

BCS-

155, "Removal and Installation"

 (without Intelligent Key System).

NO

>> Repair or replace harness.

(+)

(–)

Voltage (V)

(Approx.)

A/C control

Connector

Terminal

M53

5

Ground

(+)

(–)

Voltage (V)

(Approx.)

A/C control

Connector

Terminal

M53

5

Ground

Battery voltage

JPMIA0012GB

BCM

A/C control

Continuity 

Connector

Terminal

Connector

Terminal

M68

15

M53

5

Existed

BCM

A/C control

Continuity 

Connector

Terminal

Connector

Terminal

M65

10

M53

5

Existed

BCM

Ground

Continuity 

Connector

Terminal

M68

15

Not existed

BCM

Ground

Continuity 

Connector

Terminal

M65

10

Not existed