Infiniti EX35. Manual - part 1487

 

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Infiniti EX35. Manual - part 1487

 

 

WCS

DIAGNOSIS AND REPAIR WORKFLOW

WCS-3

< BASIC INSPECTION >

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000003135078

OVERALL SEQUENCE

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 that 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-40, "CONSULT-III Function (METER/M&A)"

.

JSNIA0456GB

WCS-4

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

Are self-diagnosis results normal?

YES

>> GO TO 4.

NO

>> GO TO 5.

4.

NARROW DOWN MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS

Perform symptom diagnosis and narrow down the malfunctioning parts.

>> GO TO 5.

5.

REPAIR OR REPLACE MALFUNCTIONING PARTS

Repair or replace malfunctioning parts.
NOTE:
If DTC is displayed, erase DTC after repair or replace malfunctioning parts.

>> GO TO 6.

6.

FINAL CHECK

Check that the warning buzzer in the combination meter operates normally.

Does it operate normally?

YES

>> INSPECTION END

NO

>> GO TO 1.

WCS

WARNING CHIME SYSTEM

WCS-5

< FUNCTION DIAGNOSIS >

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FUNCTION DIAGNOSIS

WARNING CHIME SYSTEM

WARNING CHIME SYSTEM

WARNING CHIME SYSTEM : System Diagram

INFOID:0000000003135079

WARNING CHIME SYSTEM : System Description

INFOID:0000000003135080

COMBINATION METER

• The buzzer (1) for warning chime system is installed in the combi-

nation meter.

• The buzzer sounds when the combination meter receives buzzer

output signal from each unit through unified meter and A/C amp.

UNIFIED METER AND A/C AMP.

The unified meter and A/C amp. transmits the buzzer output signal received from BCM with CAN communica-
tion line to the combination meter.

BCM

BCM receives signals from various units and transmits a buzzer output signal to the unified meter and A/C
amp. with CAN communication line if it judges that the warning buzzer should be activated.

BCM warning function list

JSNIA0500GB

JPNIA0764ZZ

Warning functions

Signal name

Light reminder warning chime

• Lighting switch position signal
• Door switch signal

Seat belt warning chime

Seat belt buckle switch signal

WCS-6

< FUNCTION DIAGNOSIS >

WARNING CHIME SYSTEM

WARNING CHIME SYSTEM : Component Parts Location

INFOID:0000000003135081

WARNING CHIME SYSTEM : Component Description

INFOID:0000000003135082

1.

BCM

2.

ABS actuator and electric unit (con-
trol unit)

3.

Unified meter and A/C amp.

4.

Front door switch (driver side)

5.

Combination switch
(Lighting switch)

6.

Parking brake switch

7.

Seat belt buckle switch (driver side)

8.

Combination meter

A.

Dash side lower (passenger side)

B.

Hoodledge cover (LH)

C.

Behind cluster lid C

JPNIA0869ZZ

Unit

Description

Combination meter

• Receives a buzzer output signal from the unified meter and A/C amp. and sounds the buzzer.
• Judges whether the parking brake is released from the vehicle speed signal received from the 

unified meter and A/C amp. with CAN communication line and the parking brake switch signal 
from the parking brake switch, and sounds the buzzer if necessary. 

Unified meter and A/C amp.

• Receives the seat belt buckle switch signal from the seat belt buckle switch and transmits it to 

BCM with CAN communication line.

• Receives a buzzer output signal from BCM with CAN communication line and transmits it to 

the combination meter by means of communication line.

BCM

Transmits signals provided by various units to the unified meter and A/C amp. with CAN com-
munication line.

ABS actuator and electric unit 
(control unit)

Transmits the vehicle speed signal to BCM with CAN communication line.

Seat belt buckle switch (driver 
side)

Transmits a seat belt buckle switch signal to the unified meter and A/C amp.

 

 

 

 

 

 

 

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