Nissan Pathfinder (2009 year). Manual - part 155

 

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Nissan Pathfinder (2009 year). Manual - part 155

 

 

INSIDE KEY ANTENNA 1 (INSTRUMENT PANEL)

DLK-49

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

INSIDE KEY ANTENNA 1 (INSTRUMENT PANEL)

Description

INFOID:0000000003938143

Detects whether Intelligent Key is inside the vehicle.

Component Function Check

INFOID:0000000003938144

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL

With CONSULT-III

1.

Check “ANTENNA” in “Active Test” mode with CONSULT-III.

2.

Touch “INSIDE KEY ANTENNA 1”.

3.

When Intelligent Key is inside key antenna (instrument panel) detection area, hazard lamps flash.

Is the inspection result normal?

YES

>> Inside key antenna 1 (instrument panel) is OK.

NO

>> Refer to 

DLK-49, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003938145

1.

CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL

1.

Turn ignition switch OFF.

2.

Check signal between Intelligent Key unit connector and ground with an oscilloscope.

Is the inspection result normal?

YES

>> Inside key antenna 1 (instrument panel) is OK.

NO

>> GO TO 2

2.

CHECK INSIDE KEY ANTENNA

1.

Disconnect Intelligent Key unit connector and inside key antenna 1 (instrument panel) connectors.

2.

Check continuity between Intelligent Key unit harness connector (A) M164 terminals 15, 16 and inside key
antenna 1 (instrument panel) harness connector (B) M68 terminals 1, 2.

3.

Check continuity between Intelligent Key unit harness connector
(A) M164 terminals 15, 16 and ground.

Test Item

Condition

Possible cause

INSIDE KEY ANTENNA 1

An excessive high or low voltage from inside 

antenna is sent to the Intelligent Key Unit

•  Inside key antenna 1 (instrument panel)
•  Between Intelligent Key unit and inside key antenna 1 (in-

strument panel)

Connector

Item

Terminals

Condition

Signal (V)

(Reference value)

(+)

(–)

M164

Intelligent 

Key unit

15

Ground

Ignition 
switch is 
pushed.

ALKIA0585ZZ

PIIB7441E

Intelligent Key 
unit connector

Terminals

Inside key antenna 

1 (instrument panel) 

connector

Terminals

Continuity

A: M164

15

B: M68

1

Yes

16

2

ALKIA0586ZZ

2009 Pathfinder

DLK-50

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INSIDE KEY ANTENNA 1 (INSTRUMENT PANEL)

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness between Intelligent Key unit and inside key antenna 1 (instrument

panel).

3.

CHECK INSIDE KEY ANTENNA POWER SUPPLY SINGAL

1.

Replace inside key antenna. (New antenna or other antenna)

2.

Connect Intelligent Key unit connector.

3.

Check signal between Intelligent Key unit connector and ground
with oscilloscope.

Is the inspection result normal?

YES

>> Replace inside key antenna 1 (instrument panel).

NO

>> Replace Intelligent Key unit. Refer to 

SEC-119, "Removal and Installation"

.

Item

Connector

Terminals

Continuity

Intelligent Key 

unit

A: M164

15

Ground

No

16

Connector

Item

Terminals

Condition

Signal (V)

(Reference value)

(+)

(–)

M164

Intelligent 

Key unit

15

Ground

Ignition 
switch is 
pushed.

ALKIA0585ZZ

PIIB7441E

2009 Pathfinder

INSIDE KEY ANTENNA 2 (CENTER CONSOLE)

DLK-51

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

INSIDE KEY ANTENNA 2 (CENTER CONSOLE)

Description

INFOID:0000000003938146

Detects whether Intelligent Key is inside the vehicle.

Component Function Check

INFOID:0000000003938147

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL

With CONSULT-III

1.

Check “ANTENNA” in “Active Test” mode with CONSULT-III.

2.

Touch “INSIDE KEY ANTENNA 2”.

3.

When Intelligent Key is inside key antenna (center console) detection area, hazard lamps flash.

Is the inspection result normal?

YES

>> Inside key antenna 2 (center console) is OK.

NO

>> Refer to 

DLK-51, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003938148

1.

CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL

1.

Turn ignition switch OFF.

2.

Check signal between Intelligent Key unit connector and ground with an oscilloscope.

Is the inspection result normal?

YES

>> Inside key antenna 2 (center console) is OK.

NO

>> GO TO 2

2.

CHECK INSIDE KEY ANTENNA

1.

Disconnect Intelligent Key unit connector and inside key antenna 2 (center console) connectors.

2.

Check continuity between Intelligent Key unit harness connector (A) M164 terminals 13, 14 and inside key
antenna 2 (center console) harness connector (B) M212 terminals 1, 2.

3.

Check continuity between Intelligent Key unit harness connector
(A) M164 terminals 13, 14 and ground.

Test Item

Condition

Possible cause

INSIDE KEY ANTENNA 2

An excessive high or low voltage from inside 

antenna is sent to the Intelligent Key unit

•  Inside key antenna 2 (center console)
•  Between Intelligent Key unit and inside key antenna 2 

(center console)

Connector

Item

Terminals

Condition

Signal (V)

(Reference value)

(+)

(–)

M164

Intelligent 

Key unit

13

Ground

Ignition 
switch is 
pushed.

ALKIA0583ZZ

PIIB7441E

Intelligent Key 
unit connector

Terminals

Inside key antenna 

2 (center console) 

connector

Terminals

Continuity

A: M164

13

B: M212

1

Yes

14

2

ALKIA0584ZZ

2009 Pathfinder

DLK-52

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INSIDE KEY ANTENNA 2 (CENTER CONSOLE)

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness between Intelligent Key unit and inside key antenna 2 (center console).

3.

CHECK INSIDE KEY ANTENNA POWER SUPPLY SINGAL

1.

Replace inside key antenna (New antenna or other antenna).

2.

Connect Intelligent Key unit connector.

3.

Check signal between Intelligent Key unit connector and ground
with oscilloscope.

Is the inspection result normal?

YES

>> Replace inside key antenna 2 (center console).

NO

>> Replace Intelligent Key unit. Refer to 

SEC-119, "Removal and Installation"

.

Item

Connector

Terminals

Continuity

Intelligent Key 

unit

A: M164

13

Ground

No

14

Connector

Item

Terminals

Condition

Signal (V)

(Reference value)

(+)

(–)

M164

Intelligent 

Key unit

13

Ground

Ignition 
switch is 
pushed.

ALKIA0583ZZ

PIIB7441E

2009 Pathfinder

INSIDE KEY ANTENNA 3 (3RD ROW SEAT)

DLK-53

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

INSIDE KEY ANTENNA 3 (3RD ROW SEAT)

Description

INFOID:0000000003938149

Detects whether Intelligent Key is inside the vehicle.

Component Function Check

INFOID:0000000003938150

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL

With CONSULT-III

1.

Check “ANTENNA” in “Active Test” mode with CONSULT-III.

2.

Touch “LUG Ant”.

3.

When Intelligent Key is inside key antenna 3 (3rd row seat) detection area, hazard lamps flash.

Is the inspection result normal?

YES

>> Inside key antenna 3 (3rd row seat) is OK.

NO

>> Refer to 

DLK-53, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003938151

1.

CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL

1.

Turn ignition switch OFF.

2.

Check signal between Intelligent Key unit connector and ground with an oscilloscope.

Is the inspection result normal?

YES

>> Inside key antenna 3 (3rd row seat) is OK.

NO

>> GO TO 2

2.

CHECK INSIDE KEY ANTENNA

1.

Disconnect Intelligent Key unit connector and inside key antenna 3 (3rd row seat) connectors.

2.

Check continuity between Intelligent Key unit harness connector (A) M164 terminals 33, 34 and inside key
antenna 3 (3rd row seat) harness connector (B) B129 terminals 1, 2.

3.

Check continuity between Intelligent Key unit harness connector
(A) M164 terminals 33, 34 and ground.

Test Item

Condition

Possible cause

LUG Ant

An excessive high or low voltage from inside 

antenna is sent to the Intelligent Key Unit

•  Inside key antenna 3 (3rd row seat)
•  Between Intelligent Key unit and inside key antenna 3 

(3rd row seat)

Connector

Item

Terminals

Condition

Signal (V)

(Reference value)

(+)

(–)

M164

Intelligent 

Key unit

33

Ground

Ignition 
switch is 
pushed.

ALKIA0589ZZ

PIIB7441E

Intelligent Key 
unit connector

Terminals

Inside key antenna 

3 (3rd row seat) 

connector

Terminals

Continuity

A: M164

33

B: B129

1

Yes

34

2

ALKIA0590ZZ

2009 Pathfinder

DLK-54

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INSIDE KEY ANTENNA 3 (3RD ROW SEAT)

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness between Intelligent Key unit and inside key antenna 3 (3rd row seat).

3.

CHECK INSIDE KEY ANTENNA POWER SUPPLY SINGAL

1.

Replace inside key antenna (New antenna or other antenna).

2.

Connect Intelligent Key unit connector.

3.

Check signal between Intelligent Key unit connector and ground
with oscilloscope.

Is the inspection result normal?

YES

>> Replace inside key antenna 3 (3rd row seat).

NO

>> Replace Intelligent Key unit. Refer to 

SEC-119, "Removal and Installation"

.

Item

Connector

Terminals

Continuity

Intelligent Key 

unit

A: M164

33

Ground

No

34

Connector

Item

Terminals

Condition

Signal (V)

(Reference value)

(+)

(–)

M164

Intelligent 

Key unit

33

Ground

Ignition 
switch is 
pushed.

ALKIA0589ZZ

PIIB7441E

2009 Pathfinder

POWER SUPPLY AND GROUND CIRCUIT

DLK-55

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

POWER SUPPLY AND GROUND CIRCUIT

INTELLIGENT KEY UNIT

INTELLIGENT KEY UNIT : Diagnosis Procedure

INFOID:0000000003938152

1.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit connector.

3.

Check voltage between Intelligent Key unit harness connector
M70 terminals 6, 11 and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace Intelligent Key power supply circuit.

2.

CHECK GROUND CIRCUIT

Check continuity between Intelligent Key unit harness connector
M70 terminal 12 and ground.

Is the inspection result normal?

YES

>> Power supply and ground circuits are OK.

NO

>> Repair or replace the Intelligent Key unit ground circuit.

BCM (BODY CONTROL MODULE)

BCM (BODY CONTROL MODULE) : Diagnosis Procedure

INFOID:0000000004404651

1.

 CHECK FUSES AND FUSIBLE LINK

Check that the following fuses and fusible link are not blown.

Is the fuse blown?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit.

NO

>> GO TO 2

2.

 CHECK POWER SUPPLY CIRCUIT

Connector

Terminals

Ignition switch position

M70

(+)

(–)

OFF

ON

6

Ground

0V

Battery voltage

11

Battery voltage

Battery voltage

WIIA1171E

12 - Ground

: Continuity should exist.

WIIA1172E

Terminal No.

Signal name

Fuses and fusible link No.

57

Battery power supply

18 (10A)

70

G (50A)

11

Ignition ACC or ON

4 (10A)

38

Ignition ON or START

1 (10A)

2009 Pathfinder

DLK-56

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair or replace harness.

Connector

Terminals 

Power

source

Condition

Voltage (V) (Ap-

prox.)

(+)

(-)

M18

11

Ground

ACC 

power 

supply

Ignition 

switch 

ACC or 

ON

Battery voltage

38

Ground

Ignition 

power 

supply

Ignition 

switch ON 

or START

Battery voltage

M20

57

Ground

Battery 

power 

supply

Ignition 

switch 

OFF

Battery voltage

70

Ground

Battery 

power 

supply

Ignition 

switch 

OFF

Battery voltage

LIIA2415E

BCM

Ground

Continuity

Connector

Terminal

M20

67

Yes

LIIA0915E

2009 Pathfinder

 

 

 

 

 

 

 

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