Nissan Pathfinder (2005 year). Instruction — part 282

REAR WINDOW DEFOGGER

GW-63

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D

E

F

G

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L

M

A

B

GW

2005 Pathfinder

WIWA0534E

GW-64

REAR WINDOW DEFOGGER

2005 Pathfinder

Terminal and Reference Value for BCM

EIS0042L

Terminal and Reference Value for IPDM E/R

EIS0042M

Work Flow

EIS0042N

1.

Check the symptom and customer's requests.

2.

Understand the outline of system. Refer to

GW-58, "System Description"

.

3.

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

GW-66,

"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.)

9

Y

Rear window defogger
switch signal

When rear window defogger switch is pressed

0

When rear window defogger switch is OFF

5

38

W/R

Ignition switch ON or START

Ignition switch (ON or START position)

Battery voltage

39

L

CAN-H

—

—

40

P

CAN-L

—

—

67

B

Ground

—

0

70

W

Battery power supply

—

Battery voltage

Terminal

Wire color

Item

Condition

Voltage (V)

(Approx.)

23

LG

Heated mirror relay output sig-
nal

When rear window defogger switch is ON

Battery voltage

When rear window defogger switch is OFF

0

38

B

Ground (Power)

—

0

39

L

CAN-H

—

—

40

P

CAN-L

—

—

59

B

Ground (Signal)

—

0

60

GR

Rear window defogger relay
output signal

When rear window defogger switch is ON

Battery voltage

When rear window defogger switch is OFF

0

REAR WINDOW DEFOGGER

GW-65

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E

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A

B

GW

2005 Pathfinder

CONSULT-II Function (BCM)

EIS0042O

CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.

CONSULT-II BASIC OPERATION PROCEDURE

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 carries 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 Data Link

Connector (DLC) Circuit"

, “CONSULT-II Date Link Connector

(DLC) Circuit”

BCM diagnostic

test item

Diagnostic mode

Content

Inspection by part

WORK SUPPORT

Changes setting of each function.

DATA MONITOR

Displays BCM input/output data in real time.

ACTIVE TEST

Operation of electrical loads can be checked by sending drive signal to them.

SELF-DIAG RESULTS

Displays BCM self-diagnosis results.

CAN DIAG SUPPORT

MNTR

The results of transmit/receive diagnosis of CAN communication can be read.

ECU PART NUMBER

BCM part number can be read.

CONFIGURATION

Performs BCM configuration read/write functions.

BBIA0538E

BCIA0029E

BCIA0030E

GW-66

REAR WINDOW DEFOGGER

2005 Pathfinder

6.

Touch “REAR DEFOGGER”.

7.

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

DATA MONITOR
Display Item List

ACTIVE TEST
Display Item List

Trouble Diagnoses Symptom Chart

EIS0042P

●

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

LIIA0153E

BCIA0031E

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 WINDOW DEFOGGER

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

Symptom

Diagnoses / Service procedure

Refer to page

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

1. BCM power supply and ground circuit check

GW-68

2. IPDM E/R auto active test check

PG-22

3. Rear window defogger switch circuit check

GW-69

4. Replace IPDM E/R

PG-28

Rear window defogger does not operate.
(Without heated mirrors)

1. BCM power supply and ground circuit check

GW-68

2. IPDM E/R auto active test check

PG-22

3. Rear window defogger switch circuit check

GW-69

4. Rear window defogger circuit check

GW-70

5. Filament check

GW-75

7. Replace IPDM E/R

PG-28

Rear window defogger does not operate but both door mir-
ror defoggers operate. (With heated mirrors)

1. Rear window defogger circuit check

GW-70

2. Filament check

GW-75

3. Replace IPDM E/R

PG-28

REAR WINDOW DEFOGGER

GW-67

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GW

2005 Pathfinder

Both door mirror defoggers do not operate but rear window
defogger operates. (With heated mirrors)

1. Door mirror defogger power supply circuit check

GW-71

2. Replace IPDM E/R

PG-28

Door mirror LH defogger does not operate.

1. Door mirror LH defogger circuit check

GW-73

Door mirror RH defogger does not operate.

1. Door mirror RH defogger circuit check

GW-74

Rear window defogger switch does not light, but rear win-
dow defogger operates.

1. Rear window defogger signal check

GW-75

Symptom

Diagnoses / Service procedure

Refer to page

GW-68

REAR WINDOW DEFOGGER

2005 Pathfinder

BCM Power Supply and Ground Circuit Check

EIS0042Q

1.

CHECK FUSE

●

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

●

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

NOTE:
Refer to

GW-58, "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-

4, "POWER SUPPLY ROUTING CIRCUIT"

.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch ON.

2.

Check voltage between BCM connector M18, M20 terminal 38, 70

and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM.

3.

Check continuity between BCM connector M20 terminal 67 and ground.

OK or NG

OK

>> BCM power supply and ground circuit is OK.

NG

>> Repair or replace harness.

70 - Ground

: Battery voltage

38 - Ground

: Battery voltage

LIIA0914E

67 - Ground

: Continuity should exist.

LIIA0915E

REAR WINDOW DEFOGGER

GW-69

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2005 Pathfinder

Rear Window Defogger Switch Circuit Check

EIS0042R

1.

CHECK REAR WINDOW DEFOGGER SWITCH OPERATION

With CONSULT-II

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

Without CONSULT-II

1.

Turn ignition switch ON.

2.

Check voltage between BCM connector and ground.

OK or NG

OK

>> Rear window defogger switch check is OK.

NG

>> GO TO 2.

2.

CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect BCM and front air control.

3.

Check continuity between BCM connector M18 terminal 9 and front air control connector M49 terminal 11.

4.

Check continuity between BCM connector M18 terminal 9 and
ground

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

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

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M18

9

Ground

Rear window defogger
switch is pressed.

0

Rear window defogger
switch is OFF.

5

WIIA0523E

9 - 11

: Continuity should exist.

9 - Ground

: Continuity should not exist.

LIIA2047E

GW-70

REAR WINDOW DEFOGGER

2005 Pathfinder

3.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM.

2.

Turn ignition switch ON.

3.

Check voltage between BCM connector M18 terminal 9 and
ground.

OK or NG

OK

>> Replace front air control. Refer to

ATC-24, "AIR CONDI-

TIONER CONTROL"

.

NG

>> Replace BCM. Refer to

BCS-19, "Removal and Installa-

tion of BCM"

.

Rear Window Defogger Circuit Check

EIS0042S

1.

CHECK FUSES

Check if any of the following fuses for IPDM E/R are blown.

NOTE:
Refer to

GW-58, "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

GW-

58, "Component Parts and Harness Connector Location"

.

2.

CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear window defogger.

3.

Turn ignition switch ON.

4.

Check voltage between rear window defogger connector D651 terminal + and ground.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 4.

9 - Ground

: Approx. 5V

WIIA0523E

COMPONENT PARTS

AMPERE

FUSE NO.

IPDM E/R

15A

46

IPDM E/R

15A

47

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

D651

+

Ground

Rear window defogger
switch ON.

Battery voltage

Rear window defogger
switch OFF.

0

LIIA2048E