Nissan Pathfinder. Manual — part 356

DLK-190

< DTC/CIRCUIT DIAGNOSIS >

UNLOCK SENSOR

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-80, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK UNLOCK SENSOR GROUND CIRCUIT

Check continuity between front door lock assembly LH harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK UNLOCK SENSOR

Refer to

DLK-190, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace front door lock assembly LH. Refer to

DLK-301, "DOOR LOCK : Removal and Installa-

tion"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to

GI-49, "Intermittent Incident"

.

>> Inspection End.

Component Inspection

INFOID:0000000009175737

1.

CHECK UNLOCK SENSOR

1. Turn ignition switch OFF.

2. Disconnect front door lock assembly LH connector.

3. Check continuity between front door lock assembly LH terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace front door lock assembly LH. Refer to

DLK-301, "DOOR LOCK : Removal and Installa-

tion"

.

Front door lock assembly LH

Ground

Continuity

Connector

Terminal

D14

4

Yes

Front door lock assembly LH

Condition

Continuity

Terminal

3

4

Driver side door

Unlock

Yes

Lock

No

DOOR KEY CYLINDER SWITCH

DLK-191

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DOOR KEY CYLINDER SWITCH

Component Function Check

INFOID:0000000009175738

1.

CHECK FUNCTION

1. Select DOOR LOCK of BCM using CONSULT.

2. Select KEY CYL LK-SW, KEY CYL UN-SW in DATA MONITOR mode.

3. Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Door key cylinder switch is OK.

NO

>> Refer to

DLK-191, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009175739

Regarding Wiring Diagram information, refer to

DLK-61, "Wiring Diagram"

.

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect front door lock assembly LH connector.

3. Check voltage between front door lock assembly LH harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR KEY CYLINDER SWITCH SIGNAL CIRCUIT

1. Disconnect power window main switch connector.

2. Check continuity between main power window and door lock/unlock switch harness connector and front

door lock assembly LH harness connector.

3. Check continuity between power window main switch harness connector and ground.

Monitor item

Condition

Status

KEY CYL LK-SW

Driver side door key cylinder

Lock

ON

Neutral / Unlock

OFF

KEY CYL UN-SW

Unlock

ON

Neutral / Lock

OFF

(+)

(–)

Voltage

(Approx.)

Front door lock assembly LH

Connector

Terminal

D14

5

Ground

5 V

6

Main power window and door lock/unlock switch

Front door lock assembly LH

Continuity

Connector

Terminal

Connector

Terminal

D25

3

D14

6

Yes

15

5

DLK-192

< DTC/CIRCUIT DIAGNOSIS >

DOOR KEY CYLINDER SWITCH

Is the inspection result normal?

YES

>> Replace main power window and door lock/unlock switch. Refer to

PWC-62, "Removal and Instal-

lation"

.

NO

>> Repair or replace harness.

3.

CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT

Check continuity between front door lock assembly LH harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK DOOR KEY CYLINDER SWITCH

Refer to

DLK-192, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace front door lock assembly LH. Refer to

DLK-301, "DOOR LOCK : Removal and Installa-

tion"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to

GI-49, "Intermittent Incident"

.

>> Inspection End.

Component Inspection

INFOID:0000000009175740

1.

CHECK DOOR KEY CYLINDER SWITCH

1. Turn ignition switch OFF.

2. Disconnect front door lock assembly LH connector.

3. Check continuity between front door lock assembly LH terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace front door lock assembly LH. Refer to

DLK-301, "DOOR LOCK : Removal and Installa-

tion"

.

Main power window and door lock/unlock switch

Ground

Continuity

Connector

Terminal

D25

3

No

15

Front door lock assembly LH

Ground

Continuity

Connector

Terminal

D14

4

Yes

Front door lock assembly LH

Condition

Continuity

Terminal

5

4

Driver side door key cylinder

Unlock

Yes

Neutral / Lock

No

6

Lock

Yes

Neutral / Unlock

No

REMOTE KEYLESS ENTRY RECEIVER

DLK-193

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

REMOTE KEYLESS ENTRY RECEIVER

Component Function Check

INFOID:0000000009175741

1.

CHECK FUNCTION

1. Select “INTELLIGENT KEY” of “BCM” using CONSULT.

2. Select “RKE OPE COUN1” in “DATA MONITOR” mode.

3. Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Remote keyless entry receiver is OK.

NO

>> Refer to

DLK-193, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009175742

Regarding Wiring Diagram information, refer to

DLK-74, "Wiring Diagram"

.

1.

CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL

1. Turn ignition switch OFF.

2. Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-80, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 1

1. Disconnect BCM and remote keyless entry receiver connectors.

2. Check continuity between BCM harness connector and remote keyless entry receiver harness connector.

Monitor item

Condition

RKE OPE COUN1

Checks whether value changes when operating Intelligent Key

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M80

119

Ground

Standby state

Press the Intelligent
Key lock or unlock
button

OCC3881D

OCC3880D

BCM

Remote keyless entry receiver

Continuity

Connector

Terminal

Connector

Terminal

M80

119

M86

2

Yes