Nissan Altima L32. Manual - part 1536

WCS-10

< FUNCTION DIAGNOSIS >

WARNING CHIME SYSTEM

PARKING BRAKE RELEASE WARNING CHIME
PARKING BRAKE RELEASE WARNING CHIME : System Diagram

INFOID:0000000004204222

PARKING BRAKE RELEASE WARNING CHIME : System Description

INFOID:0000000004204223

DESCRIPTION

• The combination meter receives the vehicle speed signal from the ABS actuator and electric unit (control

unit) via CAN communication line.

• The combination meter judges whether the parking brake is released using the parking brake switch signal

from the parking brake switch, and sounds the warning buzzer if necessary.

WARNING OPERATION CONDITIONS

If all of the following conditions are fulfilled

• Vehicle speed is approximately 7 km/h (4.3 MPH) or higher

• Parking brake switch ON

WARNING CANCEL CONDITIONS

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

• Vehicle speed is approximately 3 km/h (1.9 MPH) or less

• Parking brake switch OFF

BCM

Judges the seat belt warning condition from the seat belt buckle switch signal received from the 
combination meter and transmits a buzzer output signal to the combination meter via CAN commu-
nication line if necessary.

Seat belt buckle switch LH

Transmits seat belt buckle switch signal to combination meter.

Unit

Description

AWNIA0263GB

WCS

WARNING CHIME SYSTEM

WCS-11

< FUNCTION DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

PARKING BRAKE RELEASE WARNING CHIME : Component Parts Location

INFOID:0000000004501306

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]

WCS-12

< FUNCTION DIAGNOSIS >

WARNING CHIME SYSTEM

PARKING BRAKE RELEASE WARNING CHIME : Component Description

INFOID:0000000004204225

Unit

Description

Combination meter

• Judges whether the parking brake is released using the parking brake switch signal from the 

parking brake switch, and sounds the buzzer if necessary.

• Receives a vehicle speed signal from ABS actuator and electric unit (control unit) via CAN 

communication line.

ABS actuator and electric unit 
(control unit)

Transmits the vehicle speed signal to combination meter via CAN communication line.

Parking brake switch

Transmits parking brake switch signal to the combination meter.

WCS

DIAGNOSIS SYSTEM (METER)

WCS-13

< FUNCTION DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

DIAGNOSIS SYSTEM (METER)

Diagnosis Description

INFOID:0000000004501307

SELF-DIAGNOSIS MODE

• Odo/trip meter and information display segment operation can be checked in self-diagnosis mode.

• Meters/gauges can be checked in self-diagnosis mode.

OPERATION PROCEDURE

1. Turn the ignition switch OFF.
2. While pushing the odo/trip meter switch, turn the ignition switch ON again.
3. Push the odo/trip meter switch at least 3 times within 7 seconds after the ignition switch is turned ON.
4. The unified meter control unit is turned to self-diagnosis mode.

• All the segments on the odo/trip meter illuminate.

• Dots in all segments of information display LCD (1) flash alter-

nately.

NOTE:

If any of the segments are not displayed, replace the combina-

tion meter. Refer to 

MWI-176, "Removal and Installation"

.

5. Push the odo/trip meter switch. Each meter/gauge should indicate as shown in the figure.

CONSULT-III Function (METER/M&A)

INFOID:0000000004501308

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

SKIB1206J

JSNIA0020GB

ALNIA0011ZZ