Nissan Sentra. Manual - part 288

DLK-268

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

REMOTE KEYLESS ENTRY RECEIVER

REMOTE KEYLESS ENTRY RECEIVER

Description

INFOID:0000000009756585

Receives keyfob operation and transmits to BCM.

Component Function Check

INFOID:0000000009756586

1.

CHECK FUNCTION

 With CONSULT

Check remote keyless entry receiver KEYLESS LOCK, KEYLESS UNLOCK, and KEYLESS PANIC in Data

Monitor mode with CONSULT.

Is the inspection result normal?

YES

>> Remote keyless entry receiver is OK.

NO

>> Refer to 

DLK-268, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009756587

Regarding Wiring Diagram information, refer to 

DLK-224, "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

Monitor item

Condition

KEYLESS LOCK

Checks whether value changes from "Off" to "On" when operating keyfob lock button.

KEYLESS UNLOCK

Checks whether value changes from "Off" to "On" when operating keyfob unlock button.

KEYLESS PANIC

Checks whether value changes from "Off" to "On" when operating keyfob panic button.

Terminals

Condition

Signal

(Reference value)

(+)

(–)

Remote keyless entry 

receiver connector

Terminal

M131

2

Ground

Key inserted into ignition key cylinder

0 V

Waiting

When signal is received

PIIB7728J

PIIB7729J

REMOTE KEYLESS ENTRY RECEIVER

DLK-269

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

NO

>> GO TO 2

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

Condition

Signal

(Reference value)

(+)

(–)

Remote keyless en-
try receiver connec-

tor

Terminal

M131

4

Ground

Key inserted into ignition key cylinder

0 V

Key removed from ignition key cylinder
(Any door open)

5 V

Key removed from ignition key cylinder
(Any door closed)

JPMIA0338JP

BCM connector

Terminal

Remote keyless entry 

receiver

connector

Terminal

Continuity 

M21

19

M131

4

Yes

BCM connector

Terminal

Ground

Continuity 

M21

19

No

Remote keyless entry 

receiver

connector

Terminal

Ground

Continuity

M131

1

Yes

DLK-270

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

REMOTE KEYLESS ENTRY RECEIVER

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-39, "Intermittent Incident"

.

>> Inspection End.

BCM

connector

Terminal

Remote keyless entry 

receiver

connector

Terminal

Continuity 

M21

18

M131

1

Yes

BCM

connector

Terminal

Remote keyless entry 

receiver

connector

Terminal

Continuity 

M21

20

M131

2

Yes

BCM connector

Terminal

Ground

Continuity 

M21

20

No

KEYFOB BATTERY AND FUNCTION

DLK-271

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

KEYFOB BATTERY AND FUNCTION

Description

INFOID:0000000009756588

The following functions are available when having and carrying the keyfob.

• Door lock/unlock

• Panic mode (horn and headlamp operation)

Remote control entry function and panic alarm function are available when operating the remote buttons.

Component Function Check

INFOID:0000000009756589

NOTE:

The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II

User Guide for additional information.

• Check keyfob relative signal strength

• Confirm vehicle antenna signal strength

1.

CHECK FUNCTION

 With CONSULT

Check remote keyless entry receiver KEYLESS LOCK, KEYLESS UNLOCK, and KEYLESS PANIC in Data

Monitor mode with CONSULT.

Is the inspection result normal?

YES

>> Keyfob is OK.

NO

>> Refer to 

DLK-271, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009756590

NOTE:

The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II

User Guide for additional information.

• Check keyfob relative signal strength

• Confirm vehicle antenna signal strength

1.

CHECK KEYFOB FUNCTION

Check keyfob function using Signal Tech II Tool J-50190 or Remote

Keyless Entry Tester J-43241 (shown).
Does the test pass?

YES

>> Keyfob is OK. 

NO

>> GO TO 2

2.

 CHECK KEYFOB COMPONENTS

Monitor item

Condition

KEYLESS LOCK

Checks whether value changes from "Off" to "On" when operating keyfob lock button.

KEYLESS UNLOCK

Checks whether value changes from "Off" to "On" when operating keyfob unlock button.

KEYLESS PANIC

Checks whether value changes from "Off" to "On" when operating keyfob panic button.

ALKIA2300ZZ