S Nissan Sentra Manuals Library
Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Quick access Sentra Docs
B18 Owner's 2020-2025 Sentra owner information B18 Service 2020-2025 Sentra Workshop manual B17 Owner's 2013-2019 Sentra owner documentation B17 Service 2013-2019 Sentra service information

Nissan Sentra B18 (2020-2025) Service Manual: Malfunction Area Chart

Vehicle Can Communication 1 Circuit

Vehicle CAN Communication 1 Circuit

MAIN LINE

Malfunction area

Reference

Main line between ABS actuator and electric unit (control unit) and combination meter

Diagnosis Procedure

BRANCH LINE

Malfunction area

Reference

ECM branch line circuit (Nissan Sentra Vehicle CAN communication 1 circuit)

Diagnosis Procedure

ABS actuator and electric unit (control unit) branch line circuit (Nissan Sentra Vehicle CAN communication 1 circuit)

Diagnosis Procedure

EPS control unit branch line circuit

Diagnosis Procedure

IPDM E/R branch line circuit

Diagnosis Procedure

TCM branch line circuit (Nissan Sentra Vehicle CAN communication 1 circuit)

Diagnosis Procedure

Air bag diagnosis sensor unit branch line circuit

Diagnosis Procedure

A/C auto amp. branch line circuit

Diagnosis Procedure

A/C amp. branch line circuit

Combination meter branch line circuit

Diagnosis Procedure

Intelligent Key unit branch line circuit

Diagnosis Procedure

BCM branch line circuit

Diagnosis Procedure

SHORT CIRCUIT

Malfunction area

Reference

Nissan Sentra Vehicle CAN communication 1 circuit

Diagnosis Procedure

Vehicle Can Communication 2 Circuit

Vehicle CAN Communication 2 Circuit

MAIN LINE

Malfunction area

Reference

Main line between sonar control unit and BOSE speaker amp.

Diagnosis Procedure

BRANCH LINE

Malfunction area

Reference

Sonar control unit branch line circuit

Diagnosis Procedure

BOSE speaker amp. branch line circuit

Diagnosis Procedure

SHORT CIRCUIT

Malfunction area

Reference

Nissan Sentra Vehicle CAN communication 2 circuit

Diagnosis Procedure

Its Can Communication Circuit

ITS CAN Communication Circuit

BRANCH LINE

Malfunction area

Reference

Front camera unit branch line circuit (ITS CAN communication circuit)

Diagnosis Procedure

ADAS control unit 2 branch line circuit (ITS CAN communication circuit)

Diagnosis Procedure

Distance sensor branch line circuit (ITS CAN communication circuit)

Diagnosis Procedure

SHORT CIRCUIT OR OPEN CIRCUIT

Malfunction area

Reference

ITS CAN communication circuit

Diagnosis Procedure

Chassis Can Communication 1 Circuit

Chassis CAN Communication 1 Circuit

BRANCH LINE

Malfunction area

Reference

Chassis control module (with built in steering angle sensor) branch line circuit (Chassis CAN communication 1 circuit)

Diagnosis Procedure

ABS actuator and electric unit (control unit) branch line circuit (Chassis CAN communication 1 circuit)

Diagnosis Procedure

SHORT CIRCUIT OR OPEN CIRCUIT

Malfunction area

Reference

Chassis CAN communication 1 circuit

Diagnosis Procedure

Chassis Can Communication 2 Circuit

Chassis CAN Communication 2 Circuit

MAIN LINE

Malfunction area

Reference

Main line between ADAS control unit 2 and distance sensor

Diagnosis Procedure

BRANCH LINE

Malfunction area

Reference

Distance sensor branch line circuit (Chassis CAN communication 2 circuit)

Diagnosis Procedure

Chassis control module (with built in steering angle sensor) branch line circuit (Chassis CAN communication 2 circuit)

Diagnosis Procedure

ADAS control unit 2 branch line circuit (Chassis CAN communication 2 circuit)

Diagnosis Procedure

Front camera unit branch line circuit (Chassis CAN communication 2 circuit)

Diagnosis Procedure

SHORT CIRCUIT

Malfunction area

Reference

Chassis CAN communication 2 circuit

Diagnosis Procedure

Chassis Can Communication 3 Circuit

Chassis CAN Communication 3 Circuit

MAIN LINE

Malfunction area

Reference

Main line between ADAS control unit 2 and around view monitor control unit

Diagnosis Procedure

Main line between ADAS control unit 2 and side radar LH

Diagnosis Procedure

Main line between around view monitor control unit and side radar LH

Diagnosis Procedure

BRANCH LINE

Malfunction area

Reference

Side radar LH branch line circuit

Diagnosis Procedure

Side radar RH branch line circuit

Diagnosis Procedure

Around view monitor control unit branch line circuit

Diagnosis Procedure

ADAS control unit 2 branch line circuit (Chassis CAN communication 3 circuit)

Diagnosis Procedure

SHORT CIRCUIT

Malfunction area

Reference

Chassis CAN communication 3 circuit

Diagnosis Procedure

Drivetrain Can Communication Circuit

Drivetrain CAN Communication Circuit

BRANCH LINE

Malfunction area

Reference

ECM branch line circuit (Drivetrain CAN communication circuit)

Diagnosis Procedure

TCM branch line circuit (Drivetrain CAN communication circuit)

Diagnosis Procedure

SHORT CIRCUIT

Malfunction area

Reference

Drivetrain CAN communication circuit

Diagnosis Procedure

Engine Can Communication Circuit

Engine CAN Communication Circuit

SHORT CIRCUIT

Malfunction area

Reference

Engine CAN communication circuit

Diagnosis Procedure

It Can Communication Circuit

IT CAN Communication Circuit

BRANCH LINE

Malfunction area

Reference

AV control unit branch line circuit

Diagnosis Procedure

TCU branch line circuit

Diagnosis Procedure

SHORT CIRCUIT

Malfunction area

Reference

IT CAN communication circuit

Diagnosis Procedure

Diagnostic Can Communication Circuit

Diagnostic CAN Communication Circuit

BRANCH LINE

Malfunction area

Reference

Data link connector branch line circuit

Diagnosis Procedure

SHORT CIRCUIT

Malfunction area

Reference

Diagnostic CAN communication circuit

Diagnosis Procedure

    Main Line Between Abs and M&a Circuit
    Diagnosis Procedure Diagnosis Procedure CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals and ...

    Other materials:

    Decel G Sensor Calibration
    Description Description TCM stores calibration data (inherent characteristic value) of decel G sensor to provide accurate control. Therefore, it is required to perform calibration of decel G sensor after the following work is performed. Removing/ installing ABS actuator ...

    Dtc/circuit Diagnosis
    C1b80-54 Control Module Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) ...

    Accelerator Control System. Removal and Installation. Accelerator Control System
    Accelerator Control System Exploded View Exploded View 1. Accelerator pedal assembly 2. Brake pedal bracket ...