Infiniti M35/M45 Y50. Manual - part 371

WARNING CHIME

DI-67

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Terminals and Reference Value for BCM

NKS003V4

71

B

Ground (Power)

ON

—

0 V

72

P

CAN–L

—

—

—

Terminal 

No.

Wire 

color

Item

Condition

Reference value

(Approx.)

Ignition 

switch

Operation or condition

Terminal 

No.

Wire 

color

Item

Condition

Reference value

(Approx.)

Ignition 

switch

Operation or condition

2

L/R

Combination switch input 5

ON

Lighting switch is 1ST position
(Wiper dial position 4)

Lighting switch is OFF position

0 V

33

GR

Combination switch output 4

ON

Lighting switch is 1ST position
(Wiper dial position 4)

Lighting switch is OFF position

37

LG

Key switch signal

OFF

Intelligent Key is inserted into 
key slot

12 V

Intelligent Key is removed from 
key slot

0 V

38

W

Ignition switch ON or START

ON

—

Battery voltage

39

L

CAN–H

—

—

—

40

P

CAN–L

—

—

—

42

P

Battery power supply

OFF

—

Battery voltage

52

B

Ground

ON

—

 0 V

55

W

Battery power supply

OFF

—

Battery voltage

62

V

Front door switch (driver side)

OFF

When driver side door is 
opened (Door switch ON)

0 V

When driver side door is closed 
(Door switch OFF)

12 V

PKIB4957J

PKIB4958J

PKIB4960J

DI-68

WARNING CHIME

CONSULT-II Function (BCM)

NKS003V5

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

CONSULT-II BASIC OPERATION

Refer to 

GI-38, "CONSULT-II Start Procedure"

 .

DATA MONITOR
Operation Procedure

1.

Touch “BCM” on “SELECT SYSTEM” screen.

2.

Touch “BUZZER” on “SELECT TEST ITEM” screen.

3.

Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.

4.

Touch “ALL SIGNALS” or “SELECTION FROM MENU” on “DATA MONITOR” screen.

5.

If “SELECTION FROM MENU” is selected, touch the desired monitor item. If “ALL SIGNALS” is selected,
all items required to control are monitored.

6.

Touch “START”.

7.

During monitoring, touching “RECORD” can start recording the monitored item status.

Display Item List

×

: Applicable

System

Test item

Diagnosis mode

Description

Reference 

page

BCM

BUZZER

DATA MONITOR

Displays BCM input data in real time.

DI-68

ACTIVE TEST

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

DI-69

BCM

SELF-DIAG RESULTS

BCM performs self-diagnosis of CAN communication.

DI-69

PKIB4914E

ALL SIGNALS

Monitors main items.

SELECTION FROM MENU

Selects and monitors items.

Display item [Unit]

ALL SIGNALS

SELECTION 

FROM MENU

Description

IGN ON SW [ON/OFF]

X

X

Displays [ON/OFF] condition of ignition switch.

KEY ON SW [ON/OFF]

X

X

Displays [ON/OFF] condition of key switch.

DOOR SW-DR [ON/OFF]

X

X

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

TAIL LAMP SW [ON/OFF]

X

X

Displays [ON/OFF] condition of lighting switch.

FR FOG SW [ON/OFF]

X

X

Displays [ON/OFF] condition of front fog lamp switch.

BUCKLE SW [ON/OFF]

X

X

Displays [ON/OFF] condition of seat belt buckle switch (driver side).

WARNING CHIME

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ACTIVE TEST
Operation Procedure

1.

Touch “BCM” on “SELECT SYSTEM” screen.

2.

Touch “BUZZER” on “SELECT TEST ITEM” screen.

3.

Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.

4.

Touch the item to be tested, and check the operation.

5.

During the operation check, touching “OFF” deactivates the operation.

Display Item List

SELF-DIAG RESULTS
Operation Procedure

1.

Touch “BCM” on “SELECT TEST ITEM” screen.

2.

Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.

3.

Self-diagnosis results are displayed.

Display Item List

NOTE:
If “CAN communication [U1000]” is indicated, after printing the monitor item, go to “LAN system”. Refer to

LAN-44, "CAN Diagnostic Support Monitor"

 .

CONSULT-II Function (METER A/C AMP)

NKS003V6

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

NOTE:
For the further details, refer to 

DI-69, "CONSULT-II Function (METER A/C AMP)"

 .

PKIB4914E

Display item

Description

LIGHT WARN ALM

This test is able to check light warning chime operation.

IGN KEY WARN ALM

This test is able to check key warning chime operation.

SEAT BELT WARN TEST

This test is able to check seat belt warning chime operation.

Display item [Code]

Malfunction is detected when...

CAN communication [U1000]

Malfunction is detected in CAN communication.

System

Diagnosis mode

Description

Reference 

page

METER A/C 

AMP

SELF-DIAG RESULTS

Unified meter and A/C amp. checks the conditions and displays 
memorized error.

DI-31

DATA MONITOR

Displays unified meter and A/C amp. input data in real time.

DI-32

DI-70

WARNING CHIME

Trouble Diagnosis

NKS003V7

HOW TO PERFORM TROUBLE DIAGNOSIS

1.

Confirm the symptom and customer complaint.

2.

Understand the outline of system. Refer to 

DI-59, "System Description"

 .

3.

Perform the preliminary inspection. Refer to 

DI-70, "PRELIMINARY INSPECTION"

 .

4.

Referring to trouble diagnosis chart, make sure the cause of the malfunction and repair or replace applica-
ble parts. Refer to 

DI-70, "SYMPTOM CHART"

 .

5.

Does warning chime system operate normally? If yes, GO TO 6. If no, GO TO 3.

6.

INSPECTION END

PRELIMINARY INSPECTION

1. 

CHECK BCM (CONSULT-II)

Perform self-diagnosis of BCM. Refer to 

BCS-12, "CONSULT-II Function (BCM)"

 .

Self-diagnostic results content

No malfunction detected>> GO TO 2.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.

2. 

CHECK UNIFIED METER AND A/C AMP.  (CONSULT-II)

Perform self-diagnosis of unified meter and A/C amp. Refer to 

DI-69, "CONSULT-II Function (METER A/C

AMP)"

 .

Self-diagnostic results content

No malfunction detected>> INSPECTION END
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.

SYMPTOM CHART

Meter Buzzer Circuit Inspection

NKS004F7

1. 

CHECK BATTERY POWER SUPPLY OF COMBINATION METER

Check battery power supply of combination meter. Refer to 

DI-19, "Power Supply and Ground Circuit Inspec-

tion"

  in combination meter.

OK or NG

OK

>> GO TO 2.

NG

>> Repair battery power supply circuit of combination meter.

Symptom

Diagnosis/Service procedure

All warning chime systems do not activate.

Perform 

DI-70, "Meter Buzzer Circuit Inspection"

 .

Light warning chime does not activate.

Perform the following inspections.

1.

DI-71, "Lighting Switch Signal Inspection"

2.

DI-72, "Front Door Switch (Driver Side) Signal Inspection"

Replace BCM, found normal function in the above inspections. 

Seat belt warning chime does not activate.

Perform 

DI-73, "Seat Belt Buckle Switch Signal Inspection"

 .

Replace BCM, found normal function in the above inspection.