just CAN protocol assignments

1. Instrument cluster
Cruise control
Occupant
Classification
Wiper and Washer
Immobilizer and
Lighting
Minimum requirements to implement:
One HW I/P
One HW O/P
One CAN Rx
One CAN Tx
One Diag
One Memory i/p or o/p
WL WL WL
WL WL
Final Project

2. Cruise control
(Processed data stored in Memory)
Final Project
CC : ON /OFF=>Set/Reset
HW O/P
NRCS
1. Vehicle speed/acceleration command
2. CC ON/ OFF
3. NRCS input status (Valid/Faulty) => Used by IC for WL
ON/OFF
4. Hardware warning lamp status
CAN O/P
CAN I/P
Lamp is ON if :
CC is ON and No input
message from NRCS
HW O/P
Warning lamp
HW I/P
Cruise control
ON/OFF

3. Instrument Cluster
(Processed data stored in Memory)
Final Project
Faulty status if input CAN
message is missing
HW O/P
Warning lamp status input from Cruise control
Occupant Classification
1. Trip Switch status
2. ON Default status + Last status
3. Hardware warning lamp status
4. Occupant Classification
CAN O/P
CAN I/P
Warning lamp
HW I/P
Trip Switch Reset

4. Wiper and Washer
(Processed data stored in Memory)
Final Project
Faulty status if input CAN
message is missing
HW O/P
Battery Monitoring
Washer fluid tank
Rain sensor
1. Hardware warning lamp status
2. Washer output control
3. Headlight Washer
CAN O/P
CAN I/P
Warning lamp
HW I/P
Wiper input status with two
switches indicating 4 states
Wiper Front and
Rear(Simulate on Lamp)
HW O/P

5. Immobilzer
And
Lighting
(Processed data stored in Memory)
Final Project
Status based on Key
HW O/P
Access request with key
1. Hardware warning lamp status
2. Alarm / sound notification
CAN O/P
CAN I/P
Warning lamp
HW I/P
Door status
1. Unlock : Single Beep
Warning lamp ON for 3 sec and then off
2. Lock: Double beep, WL ON/ OFF for 1
sec (3 times)
3. Invalid attempt:
1- beep 3 times, 2 nd :
beep 6 times, 3 : continuous

6. Occupant
Classification
(Processed data stored in Memory)
Final Project
Faulty status if input CAN
message is missing
HW O/P
Seat belt status
Passenger Airbag Disable/Enable
CAN O/P
CAN I/P
Warning lamp
HW I/P
SW3 and SW4 combination
SW3, SW4:
00 : Child : Lamp ON
01 : Adult 95% : LampOFF
10: Small adult : Lamp blink every 5 sec
11 : Empty : Lamp blink every 10 sec
Occupant status
HW O/P

7. CAN DBC

9. Components:
• Power
• Diag
• Memory
• Sensor
• Switch
• CAN
• Lamp
Common requirements:
1) Warning lamp for each node