Nissan Altima L32. Manual - part 1534

WCS-2

Wiring Diagram-Sedan  ...........................................

29

ECU DIAGNOSIS  ........................................

36

COMBINATION METER  ....................................

36

Reference Value .....................................................

36

Wiring Diagram - Coupe  .........................................

38

Wiring Diagram - Sedan  .........................................

55

Fail Safe  .................................................................

71

DTC Index  ..............................................................

72

BCM (BODY CONTROL MODULE)  ..................

73

Reference Value .....................................................

73

Terminal Layout ......................................................

78

Physical Values  ......................................................

78

Wiring Diagram-Coupe  ...........................................

97

Wiring Diagram-Sedan  ..........................................

106

Fail Safe ................................................................

114

DTC Inspection Priority Chart .............................

116

DTC Index .............................................................

117

SYMPTOM DIAGNOSIS  ............................

120

THE PARKING BRAKE RELEASE WARNING 
CONTINUES SOUNDING, OR DOES NOT 
SOUND .............................................................

120

Description ............................................................

120

Diagnosis Procedure .............................................

120

THE LIGHT REMINDER WARNING DOES 
NOT SOUND .....................................................

121

Description ............................................................

121

Diagnosis Procedure .............................................

121

THE SEAT BELT WARNING CONTINUES 
SOUNDING, OR DOES NOT SOUND ..............

122

Description ............................................................

122

Diagnosis Procedure .............................................

122

PRECAUTION ...........................................

123

PRECAUTIONS  ................................................

123

Supplemental Restraint System (SRS) "AIR BAG" 
and "SEAT BELT PRE-TENSIONER"  ..................

123

WCS

DIAGNOSIS AND REPAIR WORKFLOW

WCS-3

< 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-38, "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

WCS-4

< FUNCTION DIAGNOSIS >

WARNING CHIME SYSTEM

FUNCTION DIAGNOSIS

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

nation 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

AWNIA0290GB

AWNIA0063ZZ

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

WARNING CHIME SYSTEM

WCS-5

< FUNCTION DIAGNOSIS >

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WARNING CHIME SYSTEM : Component Parts Location

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ALNIA1068ZZ

1.

Combination meter M24

2.

Combination switch (lighting switch) 
M28

3.

Seat belt buckle switch LH B202

4.

Door switch LH B8

5.

BCM M16, M17, M18, M19 (view with 
instrument panel removed)

6.

ABS actuator and electric unit (control 
unit) E26

7.

Parking brake switch M73 (sedan with 
M/T or coupe) (view with center con-
sole removed)

8.

Parking brake switch E35 (sedan with 
CVT) [view with instrument panel low-
er cover (LH) removed]