Nissan Pathfinder (2012 year). Instruction — part 147

FRONT DOOR LOCK ACTUATOR LH (DOOR UNLOCK SENSOR)

DLK-71

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

3.

CHECK UNLOCK SENSOR GROUND CIRCUIT

Check continuity between front door lock assembly LH (door unlock sensor) harness connector D14 terminal 4

and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL

1. Connect Intelligent Key unit harness connector.

2. Check voltage between Intelligent Key unit harness connector M164 terminal 28 and ground.

Is the inspection result normal?

YES

>> Refer to

DLK-71, "Component Inspection"

.

NO

>> Replace Intelligent Key unit. Refer to

SEC-114,

"Removal and Installation"

.

Component Inspection

INFOID:0000000007355435

1.

CHECK DOOR UNLOCK SENSOR

Check door unlock sensor.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace front lock assembly LH (door unlock sensor). Refer to

DLK-202, "Removal and Installa-

tion"

.

4 – Ground

: Continuity should exist.

ALKIA1186ZZ

28 – Ground

: Approx. 5V

WIIA1193E

ALKIA1187ZZ

Terminal

Front door lock assembly LH condition

Continuity

Front door lock assembly LH

4

6

Unlock

Yes

Lock

No

August 2012

2012 Pathfinder

2012 Pathfinder

DLK-72

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DOOR REQUEST SWITCH

DOOR REQUEST SWITCH

FRONT DOOR REQUEST SWITCH
FRONT DOOR REQUEST SWITCH : Description

INFOID:0000000007355436

Transmits lock/unlock operation to Intelligent Key unit.

FRONT DOOR REQUEST SWITCH : Component Function Check

INFOID:0000000007355437

1.

CHECK FUNCTION

With CONSULT

Check door request switch "DR REQ SW" and "AS REQ SW" in DATA MONITOR mode.

Is the inspection result normal?

YES

>> Door request switch is OK.

NO

>> Refer to

DLK-72, "FRONT DOOR REQUEST SWITCH : Diagnosis Procedure"

.

FRONT DOOR REQUEST SWITCH : Diagnosis Procedure

INFOID:0000000007355438

Regarding Wiring Diagram information, refer to

DLK-151, "Wiring Diagram"

.

1.

CHECK FRONT DOOR REQUEST SWITCH

With CONSULT

Check front door request switch (“DR REQ SW” or “AS REQ SW”) in “DATA MONITOR” mode.

Without CONSULT

1. Turn ignition switch OFF.

2. Check voltage between Intelligent Key unit harness connector

M164 terminals 5, 25 and ground.

Is the inspection result normal?

YES

>> Front door request switch is OK.

NO

>> GO TO 2

2.

CHECK FRONT DOOR REQUEST SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect Intelligent Key unit and front door request switch connectors.

Monitor item

Condition

DR REQ SW
AS REQ SW

Door request switch is pressed : ON

Door request switch is released : OFF

Monitor item

Condition

DR REQ SW
AS REQ SW

Front door request switch is pressed: ON

Front door request switch is released: OFF

Connector

Item

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M164

Front door re-
quest switch
LH

5

Ground

Door request

switch is

pressed

↓

Door request

switch is re-

leased

0

↓

Battery voltage

Front door re-
quest switch
RH

25

WIIA1183E

August 2012

2012 Pathfinder

2012 Pathfinder

DOOR REQUEST SWITCH

DLK-73

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

3. Check continuity between Intelligent Key unit harness connector (A) M164 terminals 5 (driver door), 25

(passenger door) and front door request switch harness connector (B) D16 (LH), D116 (RH) terminal 2.

4. Check continuity between Intelligent Key unit harness connector

(A) M164 terminals 5 (driver door), 25 (passenger door) and

ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness between Intelligent Key unit and front door request switch.

3.

CHECK FRONT DOOR REQUEST SWITCH GROUND CIRCUIT

Check continuity between front door request switch harness connector D16 (driver door), D116 (passenger

door) terminal 1 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace door request switch ground circuit.

4.

CHECK FRONT DOOR REQUEST SWITCH OPERATION

Refer to

DLK-74, "FRONT DOOR REQUEST SWITCH : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace front door request switch.

5.

CHECK FRONT DOOR REQUEST SWITCH SIGNAL

1. Connect Intelligent Key unit connector.

2. Check voltage between Intelligent Key unit harness connector

M164 terminals 5, 25 and ground.

Is the inspection result normal?

YES

>> Refer to

GI-37, "Intermittent Incident"

.

NO

>> Replace Intelligent Key unit. Refer to

SEC-114, "Removal and Installation"

.

Driver side

5 - 2

: Continuity should exist.

Passenger side

25 - 2

: Continuity should exist.

5 - Ground

: Continuity should not exist.

25 - Ground

: Continuity should not exist.

ALKIA1188ZZ

1 - Ground

: Continuity should exist.

ALKIA1189ZZ

Connector

Item

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M164

Front door re-
quest switch
LH

5

Ground

Door request

switch is

pressed

↓

Door request

switch is re-

leased

0

↓

Battery voltage

Front door re-
quest switch
RH

25

WIIA1183E

August 2012

2012 Pathfinder

2012 Pathfinder

DLK-74

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DOOR REQUEST SWITCH

FRONT DOOR REQUEST SWITCH : Component Inspection

INFOID:0000000007355439

1.

CHECK FRONT DOOR REQUEST SWITCH OPERATION

1. Turn ignition switch OFF.

2. Disconnect front door request switch connector.

3. Check continuity between front door request switch terminals 1

and 2.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace front door request switch.

BACK DOOR REQUEST SWITCH
BACK DOOR REQUEST SWITCH : Description

INFOID:0000000007355440

Transmits lock/unlock operation to Intelligent Key unit.

BACK DOOR REQUEST SWITCH : Component Function Check

INFOID:0000000007355441

1.

CHECK FUNCTION

With CONSULT

Check door request switch "BD/TR REQ SW" in DATA MONITOR mode.

Is the inspection result normal?

YES

>> Back door request switch is OK.

NO

>> Refer to

DLK-74, "BACK DOOR REQUEST SWITCH : Diagnosis Procedure"

.

BACK DOOR REQUEST SWITCH : Diagnosis Procedure

INFOID:0000000007355442

Regarding Wiring Diagram information, refer to

DLK-151, "Wiring Diagram"

.

1.

CHECK BACK DOOR REQUEST SWITCH

With CONSULT

Check back door request switch “BD/TR REQ SW” in “DATA MONITOR” mode.

Without CONSULT

1. Turn ignition switch OFF.

Component

Terminals

Condition

Continuity

Front door request
switch (LH or RH)

1

2

Front door request
switch is pressed

Yes

Front door request
switch is released

No

ALKIA1190ZZ

Monitor item

Condition

BD/TR REQ SW

Back door request switch is pressed : ON

Back door request switch is released : OFF

Monitor item

Condition

BD/TR REQ SW

Back door request switch is pressed: ON

Back door request switch is released: OFF

August 2012

2012 Pathfinder

2012 Pathfinder

DOOR REQUEST SWITCH

DLK-75

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

2. Check voltage between Intelligent Key unit harness connector

M164 terminal 29 and ground.

Is the inspection result normal?

YES

>> Back door request switch is OK.

NO

>> GO TO 2

2.

CHECK BACK DOOR REQUEST SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect Intelligent Key unit and back door request switch connectors.

3. Check continuity between Intelligent Key unit harness connector (A) M164 terminal 29 and back door

request switch harness connector (B) D552 terminal 1.

4. Check continuity between Intelligent Key unit harness connector

(A) M164 terminal 29 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness between Intelligent Key unit

and back door request switch.

3.

CHECK BACK DOOR REQUEST SWITCH GROUND CIRCUIT

Check continuity between back door request switch harness connector D552 terminal 2 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace back door request switch ground cir-

cuit.

4.

CHECK BACK DOOR REQUEST SWITCH OPERATION

Refer to

DLK-76, "BACK DOOR REQUEST SWITCH : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace back door request switch.

5.

CHECK BACK DOOR REQUEST SWITCH SIGNAL

1. Connect Intelligent Key unit connector.

Connector

Item

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M164

Back door re-
quest switch

29

Ground

Back door re-

quest switch is

pressed

↓

Back door re-

quest switch is

released

0

↓

5

WIIA1185E

29 - 1

: Continuity should exist.

29 - Ground

: Continuity should not exist.

WIIA1188E

2 - Ground

: Continuity should exist.

WIIA1187E

August 2012

2012 Pathfinder

2012 Pathfinder

DLK-76

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DOOR REQUEST SWITCH

2. Check voltage between Intelligent Key unit harness connector

M164 terminal 29 and ground.

Is the inspection result normal?

YES

>> Refer to

GI-37, "Intermittent Incident"

.

NO

>> Replace Intelligent Key unit. Refer to

SEC-114, "Removal and Installation"

.

BACK DOOR REQUEST SWITCH : Component Inspection

INFOID:0000000007355443

1.

CHECK BACK DOOR REQUEST SWITCH OPERATION

1. Turn ignition switch OFF.

2. Disconnect back door request switch connector.

3. Check continuity between back door request switch terminals 1

and 2.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace back door request switch.

Connector

Item

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M164

back door re-
quest switch

29

Ground

Back door re-

quest switch is

pressed

↓

Back door re-

quest switch is

released

0

↓

5

WIIA1183E

Component

Terminals

Condition

Continuity

Back door request
switch

1

2

Back door request
switch is pressed

Yes

Back door request
switch is released

No

WIIA1186E

August 2012

2012 Pathfinder

2012 Pathfinder

DOOR LOCK ACTUATOR

DLK-77

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DOOR LOCK ACTUATOR

DRIVER SIDE
DRIVER SIDE : Description

INFOID:0000000007355444

Locks/unlocks the door with the signal from BCM.

DRIVER SIDE : Component Function Check

INFOID:0000000007355445

1.

CHECK FUNCTION

1. Use CONSULT to perform Active Test "DOOR LOCK".

2. Touch “ALL LOCK” or “ALL UNLOCK” to check that it works normally.
Is the inspection result normal?

YES

>> Door lock actuator is OK.

NO

>> Refer to

DLK-77, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000007355446

Regarding Wiring Diagram information, refer to

DLK-139, "Wiring Diagram - With Intelligent Key System"

.

1.

CHECK DOOR LOCK ACTUATOR SIGNAL

1. Turn ignition switch OFF.

2. Check voltage between BCM connector M20 terminals 59, 65

and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> GO TO 3

2.

CHECK DOOR LOCK ACTUATOR HARNESS

1. Disconnect BCM and front door lock assembly LH (actuator).

2. Check continuity between BCM connector (A) M20 terminals 59,

65 and front door lock assembly LH (actuator) connector (B)

D14 terminals 1, 2.

Is the inspection result normal?

YES

>> Replace front door lock assembly LH (actuator).

NO

>> Repair or replace harness.

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M20

59

Ground

Driver door lock/unlock
switch is turned to UN-
LOCK

0

→

Battery voltage

65

Driver door lock/unlock
switch is turned to LOCK

0

→

Battery voltage

LIIA1046E

Connector

Terminals

Connector

Terminals

Continuity

M20

59

D14

2

Yes

65

1

ALKIA1191ZZ

August 2012

2012 Pathfinder

2012 Pathfinder

DLK-78

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DOOR LOCK ACTUATOR

3.

CHECK DOOR LOCK ACTUATOR HARNESS

1. Disconnect BCM and front door lock assembly LH (actuator).

2. Check continuity between BCM connector M20 terminals 59, 65

and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-53, "Removal and Installation"

.

NO

>> Repair or replace harness.

PASSENGER SIDE
PASSENGER SIDE : Description

INFOID:0000000007355447

Locks/unlocks the door with the signal from BCM.

PASSENGER SIDE : Component Function Check

INFOID:0000000007355448

1.

CHECK FUNCTION

1. Use CONSULT to perform Active Test DOOR LOCK.

2. Touch “ALL LOCK” or “ALL UNLOCK” to check that it works normally.
Is the inspection result normal?

YES

>> Door lock actuator is OK.

NO

>> Refer to

DLK-78, "PASSENGER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000007355449

Regarding Wiring Diagram information, refer to

DLK-139, "Wiring Diagram - With Intelligent Key System"

.

1.

CHECK FRONT DOOR LOCK ACTUATOR RH SIGNAL

1. Turn ignition switch OFF.

2. Check voltage between BCM connector M20 terminals 65, 66

and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> GO TO 3

Connector

Terminals

Continuity

M20

59

Ground

No

65

ALKIA0633ZZ

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M20

65

Ground

Door lock/unlock switch is
turned to LOCK

0

→

Battery voltage

for 300 ms

66

Door lock/unlock switch is
turned to UNLOCK

LIIA1048E

August 2012

2012 Pathfinder

2012 Pathfinder