CAN has two lines as a pair which make communication with operating voltage. CAN has excellent data speed and error detecting capacity. It consists of vehicle control systems such as A/C amplifier, AFS ECU, air suspension control ECU, bus buffer ECU, center airbag ECU, certification ECU, clearance sonar ECU, combination meter, DLC3, driving support ECU, electric power control ECU, engine control module, front center millimeter wave radar sensor, front controller, front door control ECU LH, front door control ECU RH, front power seat control ECU LH, front power seat switch RH, integration control and panel assembly, main body ECU, multi-display, multiplex tilt and telescopic ECU, outer mirror switch assembly, parking assist ECU, parking brake ECU, power steering ECU, power trunk lid control ECU, rear console switch, rear door control ECU LH, rear door control ECU RH, rear junction block ECU, seat belt control ECU, skid control ECU, spiral cable, steering angle sensor, steering control ECU, tire pressure warning ECU, transmission control module, windshield wiper switch and yaw rate sensor.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

System Outline

Use the Manual With the Right Hardware

When to See a Mechanic