Nissan Murano Z50 (2003 year). Manual — part 146

REAR WINDOW DEFOGGER

GW-91

C

D

E

F

G

H

J

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A

B

GW

Revision; 2004 April

2003 Murano

TIWA0294E

GW-92

REAR WINDOW DEFOGGER

Revision; 2004 April

2003 Murano

TIWA0323E

REAR WINDOW DEFOGGER

GW-93

C

D

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F

G

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GW

Revision; 2004 April

2003 Murano

TIWA0295E

GW-94

REAR WINDOW DEFOGGER

Revision; 2004 April

2003 Murano

Terminal and Reference Value for BCM

AIS002IG

Terminal and Reference Value for IPDM E/R

AIS002IH

Work Flow

AIS002II

1.

Check the symptom and customer's requests.

2.

Understand the outline of system. Refer to

GW-65, "System Description"

.

3.

According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to

GW-97,

"Trouble Diagnoses Symptom Chart"

.

4.

Does rear window defogger operate normally? YES: GO TO 5, NO: GO TO 3.

5.

INSPECTION END.

Terminal

Wire color

Item

Condition

Voltage (V)

(Approx.)

7

W/B

Battery power supply

Battery voltage

8

B

Ground

0

35

R

Ignition switch ON or START

Ignition switch (ON or START position)

Battery voltage

69

G/W

Rear window defogger
switch signal

When rear window defogger switch is pressed.

0

When rear window defogger switch is OFF.

5

70

L

CAN H

71

Y

CAN L

72

O

K-Line

Terminal

Wire color

Item

Condition

Voltage (V)

(Approx.)

3

L

Battery power supply

Battery voltage

8

W

Battery power supply

Battery voltage

14

B

Ground (Power)

0

45

B

Ground (Signal)

0

48

L

CAN H

49

Y

CAN L

54

G/R

Rear window defogger relay
control signal

When rear window defogger switch is ON.

0

When rear window defogger switch is OFF.

Battery voltage

REAR WINDOW DEFOGGER

GW-95

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D

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B

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Revision; 2004 April

2003 Murano

CONSULT-II Inspection Procedure

AIS003KV

CAUTION:

If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.

1.

Turn ignition switch “OFF”.

2.

Connect “CONSULT-II” and CONSULT-II CONVERTER to data
link connector.

3.

Turn ignition switch “ON”.

4.

Touch “START (NISSAN BASED VHCL)”.

5.

Touch “BCM”.
If “BCM” is not indicated, go to

GI-38

, “CONSULT-II Date Link

Connector (DLC) Circuit”

6.

Touch “REAR DEFOGGER”.

PIIA1095E

MBIB0233E

LIIA0033E

LIIA0153E

GW-96

REAR WINDOW DEFOGGER

Revision; 2004 April

2003 Murano

7.

Select diagnosis mode,“DATA MONITOR” and “ACTIVE TEST”.

DATA MONITOR
Display Item List

ACTIVE TEST
Display Item List

SEL322W

Monitor item “Operation”

Content

REAR DEF SW

“ON/OFF”

Displays “Press (ON)/others (OFF)” status determined with the rear window defogger
switch.

IGN ON SW

“ON/OFF”

Displays “IGN (ON)/OFF” status determined with the ignition switch signal.

Test item

Content

REAR DEFOGGER

Gives a drive signal to the rear window defogger relay to activate it.

REAR WINDOW DEFOGGER

GW-97

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Revision; 2004 April

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Trouble Diagnoses Symptom Chart

AIS002IK

Make sure other systems using the signal of the following systems operate normally.

Symptom

Diagnoses / Service procedure

Refer to page

Rear window defogger and door mirror defogger do not
operate. (With door mirror defogger)

1. BCM power supply and ground circuit check

GW-98

2. IPDM E/R auto active test check

PG-41

3. Rear window defogger switch circuit check

GW-99

4. Rear window defogger power supply circuit check

GW-100

5. Replace IPDM E/ R

PG-46

Rear window defogger does not operate.
(Without door mirror defogger)

1. BCM power supply and ground circuit check

GW-98

2. IPDM E/R auto active test check

PG-41

3. Rear window defogger switch circuit check

GW-99

4. Rear window defogger power supply circuit check

GW-100

5. Rear window defogger circuit check

GW-102

6. Filament check

GW-108

7. Replace IPDM E/ R

PG-46

Rear window defogger does not operate but both of door
mirror defogger operate.(With door mirror defogger)

1. Rear window defogger circuit check

GW-102

2. Filament check

GW-108

Door mirror defogger does not operated but both of rear
window defogger operate. (With door mirror defogger)

1. Door mirror defogger power supply circuit check

GW-103

Driver side door mirror defogger does not operate.

1. Driver side door mirror defogger circuit check

GW-105

Passenger side door mirror defogger does not operate.

1. Passenger side door mirror defogger circuit check

GW-106

Rear window defogger switch does not light, and rear win-
dow defogger is not displayed on the display.
But rear window defogger operates.

1. Rear window defogger signal check

GW-107

GW-98

REAR WINDOW DEFOGGER

Revision; 2004 April

2003 Murano

BCM Power Supply and Ground Circuit Check

AIS0034Z

1.

CHECK FUSE

Check 10A fuse [No.1, located in fuse block (J/B)]

Check 50A fusible link (letter F located in the fuse and fusible link box)

NOTE:
Refer to

GW-65, "Component Parts and Harness Connector Location"

.

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to

PG-

3, "POWER SUPPLY ROUTING CIRCUIT"

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch ON.

2.

Check voltage between BCM connector M35, E118 terminal 7, 35 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check BCM power supply circuit for open or short.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM connector E118 terminal 8 and ground.

OK or NG

OK

>> BCM power supply and ground circuit is OK.

NG

>> Check BCM ground circuit for open or short.

7 (W/B) – Ground

:Battery voltage

35 (R) – Ground

:Battery voltage

PIIA3010E

8 (B) – Ground

: Continuity should exist.

PIIA1127E

REAR WINDOW DEFOGGER

GW-99

C

D

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F

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A

B

GW

Revision; 2004 April

2003 Murano

Rear Window Defogger Switch Circuit Check

AIS002IL

1.

CHECK REAR WINDOW DEFOGGER SWITCH OPERATION

With CONSULT-II

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

With out CONSULT-II

1.

Turn ignition switch ON.

2.

Check voltage between BCM connector ground.

OK or NG

OK

>> Rear window defogger switch check is OK.

NG

>> GO TO 2.

2.

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect BCM and A/C and AV switch connector.

3.

Check continuity between BCM connector M37 terminal 69 and A/C and AV switch connector M48 termi-
nal 16.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between BCM and A/C and

AV switch.

When rear window defogger switch is turned to ON

REAR DEF SW

: ON

When ignition switch is turned to ON

IGN ON SW

: ON

PIIA2373E

Connector

Terminal (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

M37

69 (G/W)

Ground

Rear window defogger
switch is pressed.

0

Rear window defogger
switch is OFF.

5

PIIA3860E

69 (G/W) – 16(G/W)

: Continuity should exist.

PIIA4226E

GW-100

REAR WINDOW DEFOGGER

Revision; 2004 April

2003 Murano

3.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Turn ignition switch ON.

3.

Check voltage between BCM connector M37 terminal 69 and
ground.

OK or NG

OK

>> Replace A/C and AV switch.

NG

>> Replace BCM.

Rear Window Defogger Power Supply Circuit Check

AIS002IM

1.

CHECK FUSE

Check 10A fuse [No.12, located in the fuse block (J/B)]

Check 20A fuse (No.77, located in the IPDM E/R)

Check 20A fuse (No.78, located in the IPDM E/R)

NOTE:
Refer to

GW-65, "Component Parts and Harness Connector Location"

.

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to

PG-

3, "POWER SUPPLY ROUTING CIRCUIT"

.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear window defogger relay.

3.

Turn ignition switch ON.

4.

Check voltage between rear window defogger relay connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between fuse block (J/B) and

rear window defogger relay.

69 (G/W) – Ground

: Approx. 5

PIIA3860E

Connector

Terminals (Wire color)

Voltage (V)

(Approx.)

(+)

(-)

B8

1 (G)

Ground

Battery voltage

3 (L)

6 (W)

PIIA4233E

REAR WINDOW DEFOGGER

GW-101

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Revision; 2004 April

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3.

CHECK REAR WINDOW DEFOGGER RELAY

Check continuity between rear window defogger terminals 3 and 5, 6 and 7.

OK or NG

OK

>> GO TO 4.

NG

>> Replace rear window defogger relay.

4.

CHECK GROUND CIRCUIT

1.

Installation rear window defogger relay.

2.

Turn ignition switch ON.

3.

Check voltage between IPDM E/R connector and ground.

OK or NG

OK

>> Rear window defogger power supply circuit check is OK.

NG

>> GO TO 5.

5.

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector and rear window defogger relay.

3.

Check continuity between IPDM E/R connector E9 terminal 54 and rear window defogger relay connector
B8 terminal 2.

OK or NG

OK

>> GO TO 6.

NG

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

window defogger relay.

Terminal

Condition

Continuity

3

5

12V direct current supply
between terminals 1 and 2

Yes

No current supply

No

6

7

12V direct current supply
between terminals 1 and 2

Yes

No current supply

No

SEC202B

Connector

Terminals (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

E9

54 (G/R)

Ground

When rear window defog-
ger switch ON

0

When rear window defog-
ger switch OFF

Battery
voltage

PIIA3863E

54 (G/R) – 2 (G/R)

: Continuity should exist.

PIIA3864E

GW-102

REAR WINDOW DEFOGGER

Revision; 2004 April

2003 Murano

6.

CHECK REAR WINDOW DEFOGGER RELAY OUTPUT SIGNAL

1.

Connect IPDM E/R and rear window defogger relay.

2.

Turn ignition switch ON.

3.

Check voltage between IPDM E/R connector E9 terminal 54 and ground.

OK or NG

OK

>> Replace IPDM E/R.

NG

>> Check the condition of the harness and the connector.

Rear Window Defogger Circuit Check

AIS002IN

1.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear window defogger connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear window defogger connector and ground.

OK or NG

OK

>> GO TO 2.

NG

>> GO TO 3.

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between rear window defogger connector D107 terminal 2 and ground.

OK or NG

OK

>> Check filament. Refer to

GW-108, "Filament Check"

If filament is OK.
Check the condition of the harness and the connector.

If filament is NG.
Repair filament.

NG

>> Repair or replace harness between rear window defog-

ger and ground.

54 (G/R) – Ground

:Battery voltage

PIIA3863E

Connector

Terminal (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

D97

1(G)

Ground

Rear window defogger
switch ON.

Battery voltage

Rear window defogger
switch OFF.

0

PIIA4234E

2 (B)

Ground

: Continuity should exist.

PIIA4235E

REAR WINDOW DEFOGGER

GW-103

C

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B

GW

Revision; 2004 April

2003 Murano

3.

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect rear window defogger relay.

3.

Check continuity between rear window defogger relay connector B8 terminal 5 and rear window defogger
connector D97 terminal 1.

OK or NG

OK

>> Check the condition of the harness and the connector.

NG

>> Repair or replace harness rear window defogger relay

and rear window defogger. When there is malfunction
inside back door, replace the back door.

Door Mirror Defogger Power Supply Circuit Check

AIS002IO

1.

CHECK FUSE

Check 10A fuse [No.8, located in the fuse block (J/B)]

NOTE:
Refer to

GW-65, "Component Parts and Harness Connector Location"

.

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to

PG-

3, "POWER SUPPLY ROUTING CIRCUIT"

.

2.

CHECK POWER SUPPLY CIRCUIT 1

1.

Turn ignition switch ON.

2.

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

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between rear window defogger relay and fuse block (J/B).

5 (G) – 1 (G)

: Continuity should exist.

PIIA4236E

Connector

Terminal (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

E101

2C (G)

Ground

Rear window defogger
switch ON

Battery voltage

Rear window defogger
switch OFF

0

PIIA2388E

GW-104

REAR WINDOW DEFOGGER

Revision; 2004 April

2003 Murano

3.

CHECK POWER SUPPLY CIRCUIT 2

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

OK or NG

OK

>> GO TO 4.

NG

>> Replace fuse block (J/B).

4.

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect fuse block (J/B) and door mirror connector.

3.

Check continuity between fuse block (J/B) connector M5 terminal 5B and door mirror connector D2 (driver
side) or D32 (passenger side) terminal 1.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace harness between fuse block (J/B) and

malfunction door mirror connector.

5.

CHECK GROUND CIRCUIT

Check continuity between each door mirror connector D2 (driver side), D32 (passenger side) terminal 5 and
ground.

OK or NG

OK

>> GO TO 6.

NG

>> Repair or replace harness.

Connector

Terminal (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

M5

5B (L)

Ground

Rear window defogger
switch ON

Battery voltage

Rear window defogger
switch OFF

0

PIIA2386E

5B (B) – 1 (B)

: Continuity should exist.

PIIA4228E

5 (B) – Ground

: Continuity should exist.

PIIA4229E

REAR WINDOW DEFOGGER

GW-105

C

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B

GW

Revision; 2004 April

2003 Murano

6.

CHECK DOOR MIRROR DEFOGGER

1.

Connector door mirror connector.

2.

Check continuity between each door mirror connector D2 (driver side), D32 (passenger side) terminals 1
and 5.

OK or NG

OK

>> Check the condition of the harness and the connector.

NG

>> Replace malfunctioning door mirror.

Driver Side Door Mirror Defogger Circuit Check

AIS002IP

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.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace harness between fuse block (J/B) and

door mirror (driver side).

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between door mirror (driver side) connector D2
terminal 5 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between door mirror (driver

side) and ground.

1 (L/B) – 5 (L/B)

: Continuity should exist.

PIIA4230E

Connector

Terminal (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

D2

1 (L/B)

Ground

Rear window defogger
switch ON

Battery voltage

Rear window defogger
switch OFF

0

PIIA4231E

5 (B) – Ground

: Continuity should exist.

PIIA4229E

GW-106

REAR WINDOW DEFOGGER

Revision; 2004 April

2003 Murano

3.

CHECK DOOR MIRROR DEFOGGER

1.

Connector door mirror connector.

2.

Check continuity between each door mirror connector D2 (driver side) terminals 1 and 5.

OK or NG

OK

>> Check the condition of the harness and the connector.

NG

>> Replace door mirror (driver side).

Passenger Side Door Mirror Defogger Circuit Check

AIS002IQ

1.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect door mirror (passenger side) connector.

3.

Turn ignition switch ON.

4.

Check voltage between door mirror (passenger side) connector and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace harness between fuse block (J/B) and

door mirror (passenger side).

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between door mirror (passenger side) connector D32 terminal 5 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between door mirror (passen-

ger side) and ground.

1 (L/B) – 5 (L/B)

: Continuity should exist.

PIIA4230E

Connector

Terminal (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

D32

1 (L/B)

Ground

Rear window defogger
switch ON

Battery voltage

Rear window defogger
switch OFF

0

PIIA4231E

5 (B) – Ground

: Continuity should exist.

PIIA4229E

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Текст

Политика конфиденциальности