SEAT BELT WARNING CHIME
WARNING CHIME SYSTEM
System Diagram
System Description
DESCRIPTIONWith ignition switch turned ON and driver seat belt unfastened, seat belt warning chime will sound for approximately 6 seconds.
- The combination meter receives the seat belt buckle switch signal from seat belt buckle switch (driver side) and transmits it to the BCM via CAN communication.
- The BCM receives seat belt buckle switch signal from combination meter via CAN communication.
- The BCM detects seat belt reminder warning based on the received signal and transmits the buzzer output signal to combination meter via CAN communication.
- The combination meter receives the buzzer output signal from BCM via CAN communication and sounds the warning buzzer.
WARNING OPERATION CONDITIONSIf all of the following conditions are fulfilled, the warning buzzer will sound.
- Ignition switch OFF→ON
- Seat belt buckle switch (driver side) is ON (driver seat belt not fastened)
WARNING CANCEL CONDITIONSWarning is canceled if any of the following conditions are fulfilled.
- Ignition switch OFF
- Seat belt buckle switch (driver side) is OFF (driver seat belt fastened)
Component Parts Location
|
1. |
Door switch (driver side) |
2. |
Seat belt buckle switch (driver side) |
3. |
Parking brake switch |
|
4. |
Combination meter |
5. |
Combination switch (lighting switch) |
6. |
BCM |
|
A. |
Lower part of passenger side dashboard |
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Component Description
|
Unit |
Description |
|
Combination meter |
|
|
BCM |
Judges the seat belt warning condition according to the seat belt buckle switch signal received from the combination meter via CAN communication and transmits a buzzer output signal to the combination meter via CAN communication line if necessary. |
|
Seat belt buckle switch (driver side) |
Transmits the seat belt buckle switch signal to the combination meter. |