Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSNISSAN-DATSUN2012SENTRA SE-RREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESLAN SYSTEM (CAN FUNDAMENTAL)SERVICE INFORMATIONCAN COMMUNICATION SYSTEMCAN COMMUNICATION CONTROL CIRCUIT

2012 Nissan-Datsun Sentra SE-R

CAN Communication Control Circuit

2012 Nissan-Datsun Sentra SE-RSECTION CAN Communication Control Circuit

Fig 1: Identifying CAN Communication Control Circuit Diagram

Courtesy of NISSAN NORTH AMERICA, INC.

Component

System description

CAN controller

It controls CAN communication signal transmission and reception, error detection, etc.

Transceiver IC

It converts digital signal into CAN communication signal, and CAN communication signal into digital signal.

Noise filter

It eliminates noise of CAN communication signal.

Termination circuit⁽¹⁾
(Resistance of approx. 120 Ω)

It produces potential difference.

⁽¹⁾	These are the only control units wired with both ends of CAN communication system.

RENDER: 1.0x

NO RELATED

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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.