Nissan Tiida C11. Manual - part 1431

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WARNING CHIME SYSTEM

WARNING CHIME SYSTEM : Component Description

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LIGHT REMINDER WARNING CHIME

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 (driver side) 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

7.

ABS actuator and electric unit (control 
unit) E33 (RHD models)

8.

ABS actuator and electric unit (control 
unit) E33 (LHD models)

9.

Seat belt buckle switch (driver side) B9

10.

Parking brake switch M17

11.

Seat belt warning lamp control unit 
B51 (located under passenger seat)

Unit

Description

Combination meter

• Judges whether the parking brake is released using the vehicle speed signal and the parking 

brake switch signal, and sounds the buzzer if necessary.

• Receives the seat belt buckle switch signal from the seat belt warning lamp control unit 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 and ignition knob 
switch (with Intelligent Key)

Transmits key switch signal to BCM.

Key switch and key lock solenoid 
(without Intelligent Key)

Seat belt buckle switch (driver 
side)

Transmits a seat belt buckle switch signal to the seat belt warning lamp control unit.

Combination switch
(lighting switch)

Transmits the lighting switch position signal to BCM.

Front door switch (driver side)

Transmits the door switch signal to BCM.

ABS actuator and electric unit 
(control unit)

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

Parking brake switch

Transmits parking brake signal to combination meter.

Seat belt warning lamp control 
unit

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

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WARNING CHIME SYSTEM

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< FUNCTION DIAGNOSIS >

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• Lighting switch is at 1st or 2nd position
• Ignition switch is at OFF or ACC
• Front door switch (driver side) 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 (driver side) is OFF

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< FUNCTION DIAGNOSIS >

WARNING CHIME SYSTEM

LIGHT REMINDER WARNING CHIME : Component Parts Location

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1.

Combination meter M24

2.

BCM M18 (view with glove box re-
moved)

3.

Key switch and key lock solenoid M27 
(without Intelligent Key)

4.

Key switch and ignition knob switch 
M32 (with Intelligent Key)

5.

Combination switch (lighting switch) 
M28

6.

Front door switch (driver side) B9

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WARNING CHIME SYSTEM

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< FUNCTION DIAGNOSIS >

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LIGHT REMINDER WARNING CHIME : Component Description

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SEAT BELT WARNING CHIME

SEAT BELT WARNING CHIME : System Diagram

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SEAT BELT WARNING CHIME : System Description

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DESCRIPTION

With ignition switch turned ON and driver seat belt unfastened, seat belt warning chime will sound for approxi-
mately 6 seconds.
• BCM receives seat belt buckle switch signal from combination meter with CAN communication line.
• BCM detects ignition switch turned ON and seat belt buckle switch (driver side) ON. And then transmits

buzzer output signal (seat belt warning chime) to combination meter with CAN communication line.

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

WARNING OPERATION CONDITIONS

If all of the following conditions are fulfilled

• Ignition switch OFF

→

ON

• Seat belt buckle switch (driver side) is ON (driver seat belt not fastened)

WARNING CANCEL CONDITIONS

Cancels the warning if any of the following conditions is fulfilled.

• Ignition switch OFF
• Seat belt buckle switch (driver side) is OFF (driver seat belt fastened)

7.

ABS actuator and electric unit (control 
unit) E33 (RHD models)

8.

ABS actuator and electric unit (control 
unit) E33 (LHD models)

9.

Seat belt buckle switch (driver side) B9

10.

Parking brake switch M17

11.

Seat belt warning lamp control unit 
B51 (located under passenger seat)

Unit

Description

Combination meter

Receives a buzzer output signal from BCM via CAN communication line and sounds the buzzer.

BCM

Judges the light warning conditions from the signals provided by various switches and transmits a 
buzzer output signal to the combination meter via CAN communication line if necessary.

Combination switch
(Lighting switch)

Transmits the lighting switch position signal to BCM.

Front door switch (driver side)

Transmits the door switch signal to BCM.

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