Nissan Xterra. Instruction — part 200

DLK-42

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK ACTUATOR

2. Check continuity between BCM connector (A) M20 terminals 65,

66 and back door lock actuator connector (B) D508 terminals 2,

4.

Is the inspection result normal?

YES

>> Replace door lock actuator.

NO

>> Repair or replace harness.

3.

CHECK DOOR LOCK ACTUATOR HARNESS

1. Disconnect BCM and back door lock actuator.

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

and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-50, "Removal and Installation"

.

NO

>> Repair or replace harness.

Terminals

Continuity

65

2

Yes

66

4

AWKIA1571ZZ

Terminals

Continuity

65

Ground

No

66

ALKIA0631ZZ

REMOTE KEYLESS ENTRY RECEIVER

DLK-43

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

REMOTE KEYLESS ENTRY RECEIVER

Description

INFOID:0000000009485052

Receives keyfob operation and transmits to BCM.

Component Function Check

INFOID:0000000009485053

1.

CHECK FUNCTION

With CONSULT

Check remote keyless entry receiver "MULTI REMOTE ENT" in Data Monitor mode with CONSULT. Refer to

BCS-18, "MULTI REMOTE ENT : CONSULT Function (BCM - MULTI REMOTE ENT)"

.

Is the inspection result normal?

YES

>> Remote keyless entry receiver is OK.

NO

>> Refer to

DLK-43, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009485054

Regarding Wiring Diagram information, refer to

DLK-81, "Wiring Diagram"

.

1.

CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL

1. Turn ignition switch OFF.

2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 2.

Monitor item

Condition

KEYLESS LOCK

Indicates condition of lock signal from keyfob.

KEYLESS UNLOCK

Indicates condition of unlock signal from keyfob.

KEYLESS PANIC

Indicates condition of panic signal from keyfob.

Terminals

Condition

Signal

(Reference value)

(+)

(–)

Remote keyless entry

receiver connector

Terminal

M120

2

Ground

Waiting

(All doors closed)

When signal is received

(All doors closed)

LIIA1894E

LIIA1895E

DLK-44

< DTC/CIRCUIT DIAGNOSIS >

REMOTE KEYLESS ENTRY RECEIVER

2.

CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY

1. Disconnect remote keyless entry receiver connector.

2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> GO TO 3

3.

CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 1

1. Disconnect BCM connector.

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

3. Check continuity between BCM connector and ground.

Is the inspection result normal?

YES

>> Reconnect BCM, GO TO 4.

NO

>> Repair or replace harness between BCM and remote keyless entry receiver.

4.

CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT

Check continuity between remote keyless entry receiver connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 5.

5.

CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 2

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

Terminals

Signal

(Reference value)

(+)

(–)

Remote keyless

entry receiver

connector

Terminal

M120

4

Ground

LIIA1893E

BCM connector

Terminal

Remote keyless entry

receiver

connector

Terminal

Continuity

M18

19

M120

4

Yes

BCM connector

Terminal

Ground

Continuity

M18

19

No

Remote keyless entry

receiver

connector

Terminal

Ground

Continuity

M120

1

Yes

REMOTE KEYLESS ENTRY RECEIVER

DLK-45

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace harness between BCM and remote keyless entry receiver.

6.

CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 3

1. Check continuity between BCM connector and remote keyless entry receiver connector.

2. Check continuity between BCM connector and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace harness between BCM and remote keyless entry.

7.

CHECK INTERMITTENT INCIDENT

Refer to

GI-40, "Intermittent Incident"

.

>> Inspection End.

BCM

connector

Terminal

Remote keyless entry

receiver

connector

Terminal

Continuity

M18

18

M120

1

Yes

BCM

connector

Terminal

Remote keyless entry

receiver

connector

Terminal

Continuity

M18

20

M120

2

Yes

BCM connector

Terminal

Ground

Continuity

M18

20

No