Nissan Pathfinder (2010 year). Manual - part 144

LUGGAGE AREA ANTENNA

DLK-51

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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LUGGAGE AREA ANTENNA

Description

INFOID:0000000005259878

Detects whether Intelligent Key is inside the vehicle.

Component Function Check

INFOID:0000000005259879

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL

With CONSULT-III

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

2. Touch “ROOM ANT2”.

3. When Intelligent Key is inside luggage area antenna detection area, hazard lamps flash.

Is the inspection result normal?

YES

>> luggage area antenna is OK.

NO

>> Refer to 

DLK-51, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005259880

Regarding Wiring Diagram information, refer to 

DLK-149, "Wiring Diagram — INTELLIGENT KEY SYSTEM —

"

.

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

>> Luggage area antenna is OK.

NO

>> GO TO 2

2.

CHECK INSIDE KEY ANTENNA

1. Disconnect Intelligent Key unit connector and luggage area antenna connectors.

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

area antenna harness connector (B) B129 terminals 1, 2.

Test Item

Condition

Possible cause

ROOM ANT2

An excessive high or low voltage from inside 

antenna is sent to the Intelligent Key Unit

• Luggage area antenna
• Between Intelligent Key unit and luggage area antenna

Connector

Item

Terminals

Condition

Signal (V)

(Reference value)

(+)

(–)

M164

Intelligent 

Key unit

33

Ground

Ignition 
switch is 
pushed.

ALKIA0589ZZ

PIIB7441E

2010 Pathfinder

DLK-52

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

LUGGAGE AREA ANTENNA

3. Check continuity between Intelligent Key unit harness connector

(A) M164 terminals 33, 34 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness between Intelligent Key unit and luggage area antenna.

3.

CHECK INSIDE KEY ANTENNA POWER SUPPLY SIGNAL

1. Replace luggage area 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 luggage area antenna.

NO

>> Replace Intelligent Key unit. Refer to 

SEC-118, "Removal and Installation"

.

Intelligent Key 
unit connector

Terminals

Luggage area an-

tenna connector

Terminals

Continuity

A: M164

33

B: B129

1

Yes

34

2

Item

Connector

Terminals

Continuity

Intelligent Key 

unit

A: M164

33

Ground

No

34

ALKIA0590ZZ

Connector

Item

Terminals

Condition

Signal (V)

(Reference value)

(+)

(–)

M164

Intelligent 

Key unit

33

Ground

Ignition 
switch is 
pushed.

ALKIA0589ZZ

PIIB7441E

2010 Pathfinder

POWER SUPPLY AND GROUND CIRCUIT

DLK-53

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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POWER SUPPLY AND GROUND CIRCUIT

INTELLIGENT KEY UNIT
INTELLIGENT KEY UNIT : Diagnosis Procedure

INFOID:0000000005259881

Regarding Wiring Diagram information, refer to 

DLK-149, "Wiring Diagram — INTELLIGENT KEY SYSTEM —

"

.

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:0000000005484557

Regarding Wiring Diagram information, refer to 

BCS-50, "Wiring Diagram"

.

1.

 CHECK FUSES AND FUSIBLE LINK

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

Is the fuse blown?

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)

2010 Pathfinder

DLK-54

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

YES

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

NO

>> GO TO 2

2.

 CHECK POWER SUPPLY 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

2010 Pathfinder

DOOR SWITCH

DLK-55

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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DOOR SWITCH

Description

INFOID:0000000005259883

Detects door open/close condition.

Component Function Check

INFOID:0000000005259884

1.

CHECK FUNCTION

With CONSULT-III

Check door switches in data monitor mode with CONSULT-III.

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to 

DLK-55, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005259885

Regarding Wiring Diagram information, refer to 

DLK-131, "Wiring Diagram — POWER DOOR LOCK SYS-

TEM —"

.

1.

CHECK DOOR SWITCHES INPUT SIGNAL

With CONSULT-III

Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", "BACK DOOR

SW") in DATA MONITOR mode with CONSULT–III.

• When doors are open:

• When doors are closed:

Without CONSULT-III

Check voltage between BCM connector M18 or M19 terminals 12, 13, 43, 47, 48 and ground.

Monitor item

Condition

DOOR SW-DR

CLOSE 

→

 OPEN: OFF 

→

 ON

DOOR SW-AS

DOOR SW-RL

DOOR SW-RR

BACK DOOR SW

DOOR SW-DR

:ON

DOOR SW-AS

:ON

DOOR SW-RL

:ON

DOOR SW-RR

:ON

BACK DOOR SW

:ON

DOOR SW-DR

:OFF

DOOR SW-AS

:OFF

DOOR SW-RL

:OFF

DOOR SW-RR

:OFF

BACK DOOR SW

:OFF

2010 Pathfinder

DLK-56

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DOOR SWITCH

Is the inspection result normal?

YES

>> Door switch circuit is OK.

NO

>> GO TO 2

2.

CHECK DOOR SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect door switch and BCM.

3. Check continuity between BCM connector (A) M18, M19 terminals 12, 13, 43, 47, 48 and door switch con-

nector (B) B8 (Front LH), B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal 2 or back door latch

connector (C) D502 terminal 3.

4. Check continuity between door switch connector (B) B8 (Front

LH),   B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal

2 or back door latch connector (C) D502 terminal 7 and ground.

Is the inspection result normal?

YES

>> (Front and rear doors) GO TO 3.

YES

>> (Back door) GO TO 4.

NO

>> Repair or replace harness.

3.

CHECK DOOR SWITCH

• Check continuity between door switch terminals.

Connec-

tor

Item

Terminals

Condition

Voltage (V)

(Approx.)

( + )

( – )

M19

Back door 

switch/latch

43

Ground

Open

↓

Closed

0

↓

Battery voltage

Front door 

switch LH

47

Rear door 

switch LH

48

M18

Front door 

switch RH

12

Rear door 
switch RH

13

LIIA1041E

2 - 47

:Continuity should exist

2 - 12

:Continuity should exist

2 - 48

:Continuity should exist

2 - 13

:Continuity should exist

3 - 43

:Continuity should exist

2 - Ground

:Continuity should not exist

3 - Ground

:Continuity should not exist

ALKIA1701ZZ

2010 Pathfinder

DOOR SWITCH

DLK-57

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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Is the inspection result normal?

YES

>> Door switch circuit is OK.

NO

>> Replace door switch.

4.

CHECK BACK DOOR LATCH CIRCUIT

• Check continuity between back door latch connector terminal 4 and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK BACK DOOR LATCH SWITCH

• Check continuity between back door latch switch terminals.

Is the inspection result normal?

YES

>> Back door latch switch circuit is OK.

NO

>> Replace back door latch.

Switch

Terminals

Condition

Continuity

Door switch

2 – Ground

Open

Yes

Closed

No

ALKIA0747ZZ

Connector

Terminals

Continuity

Back door latch

4 – Ground

Yes

ALKIA1703ZZ

Switch

Terminals

Condition

Continuity

Back door latch

3 – 4

Open

Yes

Closed

No

ALKIA1702ZZ

2010 Pathfinder

DLK-58

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

GLASS HATCH AJAR SWITCH

GLASS HATCH AJAR SWITCH

Description

INFOID:0000000005259886

Detects glass hatch open/close condition.

Component Function Check

INFOID:0000000005259887

1.

CHECK FUNCTION

With CONSULT-III

Check glass hatch switch in data monitor mode with CONSULT-III.

Is the inspection result normal?

YES

>> Glass hatch switch is OK.

NO

>> Refer to 

DLK-58, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005259888

Regarding Wiring Diagram information, refer to 

DLK-131, "Wiring Diagram — POWER DOOR LOCK SYS-

TEM —"

.

1.

CHECK GLASS HATCH AJAR SWITCH INPUT SIGNAL

With CONSULT-III

Check glass hatch ajar switch "GLASS HATCH SW" in DATA MONITOR mode with CONSULT–III.

• When glass hatch is open:

• When glass hatch is closed:

Without CONSULT-III

Check voltage between BCM connector M19 terminals 42 and ground.

Is the inspection result normal?

YES

>> Glass hatch ajar switch circuit is OK.

NO

>> GO TO 2

2.

CHECK GLASS HATCH AJAR SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect glass hatch ajar switch and BCM.

3. Check continuity between BCM connector (A) M19 terminal 42 and glass hatch ajar switch connector (B)

D503 terminal 1.

Monitor item

Condition

GLASS HATCH SW

CLOSE 

→

 OPEN: OFF 

→

 ON

GLASS HATCH SW

:ON

GLASS HATCH SW

:OFF

Connector

Item

Terminals

Condition

Voltage (V)

(Approx.)

( + )

( – )

M19

BCM

42

Ground

Open

↓

Closed

0

↓

Battery voltage

ALKIA1708ZZ

2010 Pathfinder