Nissan Titan A60. Manual - part 982

WCS

DIAGNOSIS AND REPAIR WORKFLOW

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< BASIC INSPECTION >

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

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DETAILED FLOW

1.

OBTAIN INFORMATION ABOUT SYMPTOM

Interview the customer to obtain as much information as possible about the conditions and environment under

which the malfunction occurred.

>> GO TO 2

2.

CHECK SYMPTOM

• Check the symptom based on the information obtained from the customer.

• Check to see if any other malfunctions are present.

>> GO TO 3

3.

CHECK CONSULT-III SELF-DIAGNOSIS RESULTS

Connect CONSULT-III and perform “SELF-DIAGNOSIS”. Refer to 

MWI-28, "CONSULT-III Function (METER/

M&A)"

.

Are self-diagnosis results normal?

YES

>> GO TO 4

NO

>> Repair or replace the malfunctioning parts, GO TO 5

4.

NARROW DOWN MALFUNCTIONING PARTS THROUGH SYMPTOM DIAGNOSIS

Perform symptom diagnosis and repair or replace the identified malfunctioning parts.

>> GO TO 5

5.

FINAL CHECK

Check that the warning buzzer in the combination meter operates normally.
Does it operate normally?

YES

>> Inspection End.

NO

>> GO TO 1

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< SYSTEM DESCRIPTION >

WARNING CHIME SYSTEM

SYSTEM DESCRIPTION

WARNING CHIME SYSTEM

WARNING CHIME SYSTEM
WARNING CHIME SYSTEM : System Diagram

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WARNING CHIME SYSTEM : System Description

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COMBINATION METER

• The buzzer for warning chime system is installed in the combination meter.

• The buzzer sounds when the combination meter receives a buzzer output signal from each unit.

BCM

BCM receives signals from various units and transmits a buzzer output signal to the combination meter with

CAN communication line if it judges that the warning buzzer should be activated.

BCM warning function list

ABNIA2611GB

Warning functions

Signal name

Light reminder warning chime

• Lighting switch position signal
• Door switch signal

Seat belt warning chime

Seat belt buckle switch signal

Key warning chime

• Key switch signal
• Door switch signal

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WARNING CHIME SYSTEM

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< SYSTEM DESCRIPTION >

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WARNING CHIME SYSTEM : Component Parts Location

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WARNING CHIME SYSTEM : Component Description

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LIGHT REMINDER WARNING CHIME

AWNIA0176ZZ

1.

Combination meter M24

2.

Combination switch (lighting and turn 
signal switch) M28

3.

BCM M18, M19, M20 (view with instru-
ment lower panel LH removed)

4.

Front door switch LH B8

5.

Key switch and key lock solenoid M27 
(floor shift)
Key switch M80 (column shift)

6.

Seat belt buckle switch LH B12

Unit

Description

Combination meter

• Receives the seat belt buckle switch signal from the seat belt buckle switch LH and transmits 

it to BCM with CAN communication line.

• Receives a buzzer output signal from BCM with CAN communication line.

BCM

Transmits signals provided by various units to the combination meter with CAN communication 
line.

Key switch (column shift)

Transmits key switch signal to BCM.

Key switch and key lock solenoid 
(floor shift)

Seat belt buckle switch LH

Transmits a seat belt buckle switch signal to the combination meter.

Combination switch
(lighting and turn signal switch)

Transmits the lighting switch position signal to BCM.

Front door switch LH

Transmits the door switch signal to BCM.

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< SYSTEM DESCRIPTION >

WARNING CHIME SYSTEM

LIGHT REMINDER WARNING CHIME : System Diagram

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LIGHT REMINDER WARNING CHIME : System Description

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DESCRIPTION

With ignition switch in OFF or ACC position, driver door open, and lighting switch in 1ST or 2ND position, the

light warning chime will sound. 

• BCM detects ignition switch in OFF or ACC position, front door switch LH ON, and lighting switch in 1ST or

2ND position. And then transmits buzzer output signal (light reminder warning chime) to combination meter

with CAN communication line.

• When combination meter receives buzzer output signal (light reminder warning chime), it sounds the buzzer.

WARNING OPERATION CONDITIONS

If all of the following conditions are fulfilled

• Lighting switch is at 1st or 2nd position

• Ignition switch is at OFF or ACC

• Front door switch LH is ON

WARNING CANCEL CONDITIONS

Warning is canceled if any of the following conditions is fulfilled.

• Lighting switch OFF

• Ignition switch ON

• Front door switch LH is OFF

WKIA5465E