Nissan Pathfinder (2008 year). Manual - part 458

 

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Nissan Pathfinder (2008 year). Manual - part 458

 

 

POWER SUPPLY AND GROUND CIRCUIT

INL-15

< COMPONENT DIAGNOSIS >

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COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

BCM

BCM : Inspection Procedure

INFOID:0000000001712573

POWER SUPPLY AND GROUND CIRCUIT INSPECTION FOR BCM

For information about power and ground circuit inspection for the BCM, refer to 

BCS-32, "Diagnosis Proce-

dure"

.

INL-16

< COMPONENT DIAGNOSIS >

BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT

BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT

Description

INFOID:0000000001712574

Provides the battery saver output/power supply. Also cuts the power supply when the interior room lamp bat-
tery saver is activating.

Component Function Check

INFOID:0000000001712575

1.

CHECK BATTERY SAVER OUTPUT/POWER SUPPLY FUNCTION

CONSULT-III

1.

Turn ignition switch ON.

2.

Turn each interior room lamp ON.

-

Front room/map lamp assembly

-

Vanity lamps (if equipped)

-

Cargo lamp

-

Personal lamp 2nd row (with rear map lamps)

-

Room lamp 2nd row (without rear map lamps)

3.

Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.

4.

 With operating the test items, check that each interior room lamp turns ON/OFF.

Does the interior room lamp turn ON/OFF?

YES

>> Battery saver output/power supply circuit is normal.

NO

>> Refer to 

INL-16, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001712576

1.

CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OUTPUT

CONSULT-III

1.

Turn ignition switch ON.

2.

Select “BATTERY SAVER” of BCM (BATTERY SAVER) active
test item.

3.

With test item operating, check voltage between BCM harness
connector M20 terminal 56 and ground.

Is the voltage reading as specified?

YES

>> GO TO 2

NO

>> Replace BCM. Refer to 

BCS-54, "Removal and Installation"

 .

2.

CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect the following connectors.

-

BCM  M20

-

Ignition key hole illumination

-

Front room/map lamp assembly

-

Vanity lamp LH (if equipped)

-

Vanity lamp RH (if equipped)

-

Cargo lamp

-

Personal lamp 2nd row (with rear map lamps)

-

Room lamp 2nd row (without rear map lamps)

OFF

: Interior room lamp OFF

ON

: Interior room lamp ON

(+)

(-)

Test item

Voltage

Connector

Terminal

BATTERY SAVER

M20

56

Ground

OFF

0V

ON

Battery voltage

ALLIA0408GB

BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT

INL-17

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3.

Check continuity between BCM harness connector and each interior room lamp harness connector.

Does continuity exist?

YES

>> GO TO 3

NO

>> Repair the harnesses or connectors.

3.

CHECK BATTERY SAVER OUTPUT/POWER SUPPLY SHORT CIRCUIT

Check continuity between BCM harness connector M20 terminal 56
and ground.

Does continuity exist?

YES

>> Repair the harnesses or connectors.

NO

>> Check that each interior room lamp has no internal short

circuit.

BCM

Each interior room lamp

Continuity

Connector

Terminal

Connector

Terminal

M20

56

Ignition key hole illumination

M150

1

Yes

Front room/map lamp assembly

R9

1

Vanity lamp LH (if equipped)

B80

1

Vanity lamp RH (if equipped)

B81

1

Cargo lamp

R11

2

Personal lamp 2nd row (with rear map lamps)

R10

1

Room lamp 2nd row (without rear map lamps)

R12

2

Connector

Terminal

—

Continuity

M20

56

Ground

No

ALLIA0409GB

INL-18

< COMPONENT DIAGNOSIS >

INTERIOR ROOM LAMP CONTROL CIRCUIT

INTERIOR ROOM LAMP CONTROL CIRCUIT

Description

INFOID:0000000001712577

Controls the following interior room lamps (ground side) by PWM signal
• Front room/map lamp assembly
• Personal lamp 2nd row (with rear map lamps)
• Room lamp 2nd row (without rear map lamps)
NOTE:
PWM signal control period is approximately 250 Hz (in the gradual brightening/dimming).

Component Function Check

INFOID:0000000001712578

CAUTION:

 Before performing the diagnosis, check that the following is normal.
• Battery saver output/power supply
• Front room/map lamp bulbs
• Personal lamp 2nd row bulbs
• Room lamp 2nd row bulbs

1.

CHECK INTERIOR ROOM LAMP CONTROL FUNCTION

CONSULT-III

1.

Switch the map lamp switch to DOOR.

2.

Turn ignition switch ON.

3.

Select “INT LAMP” of BCM (INT LAMP) active test item.

4.

With the test items operating, check that each interior room lamp turns ON/OFF (gradual brightening/dim-
ming).

Do the interior room lamps turn ON/OFF (gradual brightening/dimming)?

YES

>> Interior room lamp control circuit is normal.

NO

>> Refer to 

INL-18, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001712579

1.

CHECK INTERIOR ROOM LAMP CONTROL OUTPUT

CONSULT-III

1.

Turn ignition switch ON.

2.

Select “INT LAMP” of BCM (INT LAMP) active test item.

3.

While operating the test item, check voltage between BCM har-
ness connector M20 terminal 63 and ground.

Are voltage readings as specified?

YES

>> Interior room lamp control circuit is operating normally.

Fixed ON>> GO TO 3
Fixed OFF>> GO TO 2

2.

CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector M20, personal lamp 2nd row connector (with rear map lamps) or room lamp
2nd row connector (without rear map lamps) and front room/map lamp connector.

ON

: Interior room lamp gradual brightening

OFF

: Interior room lamp gradual dimming

(+)

(-)

INT LAMP

Voltage

Connector

Terminal

M20

63

Ground

ON

0V

OFF

Battery voltage

ALLIA0410GB

INTERIOR ROOM LAMP CONTROL CIRCUIT

INL-19

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3.

Check continuity between BCM harness connector M20 terminal
63 and interior room lamp connectors.

Are the continuity test results as specified?

YES

>> Replace the BCM. Refer to 

BCS-54, "Removal and

Installation"

 .

NO

>> Repair the harnesses or connectors.

3.

CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector M20, personal lamps 2nd row con-
nector (with rear map lamps) or room lamp 2nd row connector
(without rear map lamps).

3.

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> Repair the harnesses or connectors.

NO

>> Replace BCM. Refer to 

BCS-54, "Removal and Installa-

tion"

 .

Terminal

Terminal

Continuity

Connector

Terminal

Component

Connector

Terminal

A: M20

63

Front room/map 
lamp 

B: R9

1

Yes

Personal lamp 
2nd row (with rear 
map lamps)

C: R10

2

Room lamp 2nd 
row (without rear 
map lamps) 

D: R12

1

ALLIA0648GB

Connector

Terminal

—

Continuity

M20

63

Ground

No

ALLIA0413GB

INL-20

< COMPONENT DIAGNOSIS >

CARGO LAMP CONTROL CIRCUIT

CARGO LAMP CONTROL CIRCUIT

Description

INFOID:0000000001712583

Controls the cargo lamp (ground side) to turn the cargo lamp ON and OFF.

Component Function Check

INFOID:0000000001712584

CAUTION:

 Before performing the diagnosis, check that the following is normal.
• Battery saver output/power supply
• Cargo lamp bulb

1.

CHECK CARGO LAMP OPRATION 

CONSULT-III

1.

Turn ignition switch ON.

2.

Select “LUGGAGE LAMP TEST” of BCM (INT LAMP) active test item.

3.

With operating the test items, check that cargo lamp turns ON/OFF.

Does the cargo lamp turn ON/OFF?

YES

>> Cargo lamp circuit is normal.

NO

>> Refer to 

INL-20, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001712585

1.

CHECK CARGO LAMP OUTPUT

CONSULT-III

1.

Turn ignition switch ON.

2.

Select “LUGGAGE LAMP TEST” of BCM (INT LAMP) active test
item.

3.

While operating the test item, check voltage between BCM har-
ness connector M19 terminal 49 and ground.

Are the voltage readings as specified?

YES

>> Cargo lamp control circuit is operating normally.

Fixed ON>> GO TO 3
Fixed OFF>> GO TO 2

2.

CHECK CARGO LAMP OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector M19 and cargo lamp connector.

3.

Check continuity between BCM harness connector M19 (A) ter-
minal 49 and cargo lamp harness connector R11 (B) terminal 1.

Does continuity exist?

YES

>> Replace cargo lamp. 

NO

>> Repair harnesses or connectors.

ON

: Cargo lamp ON

OFF

: Cargo lamp OFF

Connector

Terminal

—

LUGGAGE 

LAMP TEST

Voltage

M19

49

Ground

ON

0V

OFF

Battery voltage

ALLIA0417GB

A

B

Continuity

Connector

Terminal

Connector

Terminal

M19

49

R11

1

Yes

ALLIA0418GB

CARGO LAMP CONTROL CIRCUIT

INL-21

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3.

CHECK CARGO LAMP SHORT CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector M19 and cargo lamp connector R11.

3.

Check continuity between BCM harness connector M19 terminal
49 and ground.

Does continuity exist?

YES

>> Repair harnesses or connectors.

NO

>> Replace BCM. Refer to 

BCS-54, "Removal and Installa-

tion"

 .

Connector

Terminal

—

Continuity

M19

49

Ground

No

ALLIA0419GB

INL-22

< COMPONENT DIAGNOSIS >

IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT

IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT

Description

INFOID:0000000001712586

Controls the ignition keyhole illumination (ground side) to turn the ignition keyhole illumination ON and OFF.

Component Function Check

INFOID:0000000001712587

CAUTION:

Before performing the diagnosis, check that the following is normal.
• Battery saver output/power supply circuit
• Ignition keyhole illumination bulb

1.

CHECK IGNITION KEYHOLE ILLUMINATION OPERATION

CONSULT-III

1.

Turn the ignition switch ON.

2.

Select “IGN ILLUM” of BCM (INT LAMP) active test item.

3.

With operating the test items, check that the ignition keyhole illumination turns ON/OFF

Does the ignition keyhole illumination turn ON/OFF?

YES

>> Ignition keyhole illumination circuit is normal.

NO

>> Refer to 

INL-22, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001712588

1.

CHECK IGNITION KEYHOLE OUTPUT

CONSULT-III

1.

Turn ignition switch ON.

2.

Select “IGN ILLUM” of BCM (INT LAMP) active test item.

3.

While operating the test item, check voltage between BCM har-
ness connector M18 terminal 1 and ground.

Are the voltage readings as specified?

YES

>> Ignition keyhole illumination control circuit is operating

normally.

Fixed ON>> GO TO 3.
Fixed OFF>> GO TO 2.

2.

CHECK IGNITION KEYHOLE ILLUMINATION OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector M18 and ignition keyhole illumina-
tion connector M150.

3.

Check continuity between BCM harness connector M18 (A) ter-
minal 1 and ignition keyhole illumination harness connector
M150 (B) terminal 2.

Does continuity exist?

YES

>> Replace ignition keyhole illumination. 

ON

: Ignition keyhole illumination ON

OFF

: Ignition keyhole illumination OFF

Connector

Terminal

—

IGN ILLUM

Voltage

M18

1

Ground

ON

0V

OFF

Battery voltage

ALLIA0420GB

A

B

Continuity

Connector

Terminal

Connector

Terminal

M18

1

M150

2

Yes

ALLIA0421GB

 

 

 

 

 

 

 

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