Nissan Pathfinder (2007 year). Manual - part 140

WARNING CHIME

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2007 Pathfinder

Wiring Diagram — CHIME —

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WKWA4219E

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WARNING CHIME

2007 Pathfinder

WKWA5451E

WARNING CHIME

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2007 Pathfinder

Terminals and Reference Values for BCM

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Refer to 

BCS-12, "Terminals and Reference Values for BCM"

 .

Terminals and Reference Values for Combination Meter

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Refer to 

DI-10, "Terminals and Reference Values for Combination Meter"

 .

How to Proceed With Trouble Diagnosis

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1.

Confirm the symptom or customer complaint.

2.

Understand operation description and function description. Refer to 

DI-41, "System Description"

 .

3.

Perform the preliminary check. Refer to 

DI-45, "Preliminary Check"

 .

4.

Check symptom and repair or replace the cause of malfunction.

5.

Does the warning chime operate properly? If so, go to 6. If not, go to 3.

6.

Inspection End.

Preliminary Check

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INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT

Refer to 

BCS-16, "BCM Power Supply and Ground Circuit Check"

 .

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WARNING CHIME

2007 Pathfinder

CONSULT-II Function (BCM)

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CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.

CONSULT-II START PROCEDURE

Refer to 

GI-38, "CONSULT-II Start Procedure"

 .

DATA MONITOR
Display Item List

ACTIVE TEST
Display Item List

SELF-DIAGNOSTIC RESULTS
Display Item List

NOTE:
If "CAN communication [U1000]" is indicated, after printing the monitor item, go to "CAN System". Refer to

LAN-44, "TROUBLE DIAGNOSIS"

 .

BCM

diagnostic test item

Diagnostic mode

Description

Inspection by part

WORK SUPPORT

Supports inspections and adjustments. Commands are transmitted to the BCM 
for setting the status suitable for required operation, input/output signals are 
received from the BCM and received data is displayed.

DATA MONITOR

Displays BCM input/output data in real time.

ACTIVE TEST

Operation of electrical loads can be checked by sending drive signal to them.

SELF-DIAG RESULTS

Displays BCM self-diagnosis results.

CAN DIAG SUPPORT MNTR

The result of transmit/receive diagnosis of CAN communication can be read.

ECU PART NUMBER

BCM part number can be read.

CONFIGURATION

Performs BCM configuration read/write functions.

Monitored item

Description

IGN ON SW

Indicates [ON/OFF] condition of ignition switch.

KEY ON SW

Indicates [ON/OFF] condition of key switch.

DOOR SW-DR

Indicates [ON/OFF] condition of front door switch (driver side).

LIGHT SW 1ST

Indicates [ON/OFF] condition of lighting switch.

BUCKLE SW

Indicates [ON/OFF] condition of seat belt buckle switch LH.

Test item

Malfunction is detected when···

LIGHT WARN ALM

This test is able to check light warning chime operation. Light warning chime sounds for 2 sec-
onds after touching “ON” on CONSULT-II screen.

IGN KEY WARN ALM

This test is able to check key warning chime operation. Key warning chime sounds for 2 seconds 
after touching “ON” on CONSULT-II screen.

SEAT BELT WARN TEST

This test is able to check seat belt warning chime operation. Seat belt warning chime sounds for 2 
seconds after touching “ON” on CONSULT-II screen.

Monitored Item

CONSULT-II display

Description

CAN communication

CAN communication [U1000]

Malfunction is detected in CAN communication.

WARNING CHIME

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2007 Pathfinder

All Warning Chimes Do Not Operate

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1. 

CHECK BCM CHIME OPERATION

Select "BUZZER" on CONSULT-II, and perform "LIGHT WARN
ALM", "IGN KEY WARN ALM", OR "SEAT BELT WARN TEST"
active test.

Does chime sound?

YES

>> Replace the BCM. Refer to 

BCS-25, "Removal and

Installation"

 .

NO

>> Replace the combination meter. Refer to 

IP-14, "COM-

BINATION METER"

 .

Key Warning Chime and Light Warning Chime Do Not Operate (Seat Belt Warn-
ing Chime Does Operate)

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1. 

CHECK BCM INPUT SIGNAL

With CONSULT-II

1.

Select "BCM" on CONSULT-II. 

2.

With "DATA MONITOR" of "BUZZER", confirm "DOOR SW-DR"
changes with the status of front door LH. 

Without CONSULT-II

Check voltage between BCM harness connector M19 terminal 47
and ground.

OK or NG

OK

>> Replace the BCM. Refer to 

BCS-25, "Removal and

Installation"

 .

NG

>> GO TO 2.

SKIA6331E

When front door LH is 
opened

: DOOR SW-DR ON

When front door LH is 
closed

: DOOR SW-DR OFF

LKIA0335E

When front door LH is 
opened

: Approx. 0V

When front door LH is 
closed

: Approx. 5V

WKIA1515E

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WARNING CHIME

2007 Pathfinder

2. 

CHECK FRONT DOOR SWITCH LH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector M19 and front door switch LH connector B8.

3.

Check continuity between BCM harness connector M19 terminal
47 and front door switch LH harness connector B8 terminal 2.

4.

Check continuity between BCM harness connector M19 terminal
47 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK FRONT DOOR SWITCH LH

Check continuity between front door switch LH terminal 2 and
exposed metal of switch while pressing and releasing switch.

OK or NG

OK

>> Replace the BCM. Refer to 

BCS-25, "Removal and

Installation"

 .

NG

>> Replace the front door switch LH.

Key Warning Chime Does Not Operate

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1. 

CHECK FUSE

Check if the key switch fuse (No. 25, located in the fuse and fusible link box) is blown. Refer to 

DI-43, "Wiring

Diagram — CHIME —"

 .

Is the fuse blown?

YES

>> Replace the fuse. Be sure to repair the cause of malfunction before installing new fuse.

NO

>> GO TO 2.

2. 

CHECK WARNING CHIME OPERATION

With key removed from the ignition and the front door LH open, turn the lighting switch to 1st or 2nd position.

Does warning chime sound?

YES

>> GO TO 3.

NO

>> Go to 

DI-47, "All Warning Chimes Do Not Operate"

  or 

DI-47, "Key Warning Chime and Light

Warning Chime Do Not Operate (Seat Belt Warning Chime Does Operate)"

 .

Continuity should exist.

Continuity should not exist.

WKIA1516E

When front door switch 
LH is released

: Continuity should exist.

When front door switch 
LH is pushed

: Continuity should not 
exist.

WKIA2023E

WARNING CHIME

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2007 Pathfinder

3. 

CHECK BCM INPUT SIGNAL

With CONSULT-II

With "DATA MONITOR" of "BUZZER", confirm "KEY ON SW"
changes when the key is inserted/removed from the ignition key cyl-
inder. 

Without CONSULT-II

Check voltage between BCM harness connector M18 terminal 37
and ground.

OK or NG

OK

>> Replace the BCM. Refer to 

BCS-25, "Removal and

Installation"

 .

NG

>> GO TO 4.

4. 

CHECK KEY SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect key switch connector M27.

3.

Check continuity between key switch terminals 1 and 2.

OK or NG

OK

>> GO TO 5.

NG

>> Replace the key switch.

When key is inserted in ignition 
key cylinder

: KEY ON SW ON

When key is removed from 
ignition key cylinder

: KEY ON SW OFF

SKIA1960E

Terminals

Condition

Voltage (V)

(+)

(–)

Connector

Terminal

M18

37

Ground

Key is inserted

Battery voltage

Key is removed

0V

LKIA0255E

Key switch

Terminals

Condition

Continuity

1

2

Key is inserted

Yes

Key is removed

No

WKIA4101E

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WARNING CHIME

2007 Pathfinder

5. 

CHECK KEY SWITCH CIRCUIT 

1.

Disconnect BCM connector M18.

2.

Check continuity between BCM harness connector M18 (A) ter-
minal 37 and key switch harness connector M27 (B) terminal 1.

3.

Check continuity between BCM harness connector M18 (A) ter-
minal 37 and ground.

OK or NG

OK

>> GO TO 6.

NG

>> Repair harness or connector.

6. 

CHECK KEY SWITCH POWER SUPPLY CIRCUIT

Check voltage between key switch harness connector M27 terminal
2 and ground.

OK or NG

OK

>> Replace the BCM. Refer to 

BCS-25, "Removal and

Installation"

 .

NG

>> Check harness for open between fuse and key switch.

Light Warning Chime Does Not Operate

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1. 

CHECK WARNING CHIME OPERATION

Check key warning chime and seat belt warning chime functions.

Do key warning chime and seat belt warning chime sound?

YES

>> GO TO 2.

NO

>> Go to 

DI-47, "All Warning Chimes Do Not Operate"

 .

A

B

Continuity

Connector

Terminal

Connector

Terminal

BCM: M18

37

Key switch: M27

1

Yes

A

Ground

Continuity

Connector

Terminal

BCM: M18

37

No

WKIA4102E

Terminals

Voltage 

(Approx.)

(+)

(-)

Key switch connector

Terminal

M27

2

Ground

Battery voltage

WKIA4103E