Nissan Altima L32. Instruction — part 1536
WCS-10
< FUNCTION DIAGNOSIS >
WARNING CHIME SYSTEM
PARKING BRAKE RELEASE WARNING CHIME
PARKING BRAKE RELEASE WARNING CHIME : System Diagram
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PARKING BRAKE RELEASE WARNING CHIME : System Description
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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 >
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PARKING BRAKE RELEASE WARNING CHIME : 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]
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 >
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DIAGNOSIS SYSTEM (METER)
Diagnosis Description
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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
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