CAN Buses
The Nissan Leaf uses multiple CAN buses. The two most researched and most important are EV-CAN and CAR-CAN.
CAR-CAN (or VEHICLE CAN)[edit | edit source]
This bus connects various low-voltage control systems, including:
- Vehicle Control Module (VCM)
- Intelligent Power Distribution Module (IPDM)
- Combination Meter
- Vehicle Sound for Pedestrians (VSP) module
- Body Control Module (BCM)
- CAN Gateway
EV-CAN[edit | edit source]
This bus connects the high-voltage components, plus the VCM. Devices on this bus:
- Vehicle Control Module (VCM)
- Traction Motor Inverter
- Power Delivery Module (PDM)
- Air Conditioning system
- Lithium Battery Controller (LBC)
- CAN Gateway
CHASSIS-CAN[edit | edit source]
Devices on this bus:
- Steering angle sensor
- EPS control unit
- Chassis Control Module
- Electric parking brake
- Brake control module
- ABS system
- CAN Gateway
ADAS-CAN[edit | edit source]
Stands for "Advanced Driver Assistance System".
Devices on this bus:
- ADAS control unit
- Chassis Control Module
- CAN Gateway
ITS-CAN[edit | edit source]
May stand for "Intelligent Transportation Systems".
Devices on this bus:
- Around View Monitor Control Unit
- Side radars (left and right)
- Distance sensor
- Lane camera unit
- ADAS control unit
- CAN Gateway
AV-CAN[edit | edit source]
Only for ZE0/AZE0. Connects the buttons surrounding the AV Control Unit to the AV Control Unit.
IT-CAN[edit | edit source]
May stand for "Information Technology".
The functionality of the IT-CAN bus is not well-documented. Devices on this bus:
M-CAN[edit | edit source]
Devices on this bus: