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.

Nissan Sentra B18 (2020-2025) Service Manual: Precaution. Precautions

Precautions

Precautions for Trouble Diagnosis

Precautions for Trouble Diagnosis

CAUTION:

Follow the instructions listed below. Failure to do this may cause damage to parts:

  • Never apply 7.0 V or more to the measurement terminal.

  • Use a tester with open terminal voltage of 7.0 V or less.

  • Turn the ignition switch OFF and disconnect the battery cable from the negative terminal when checking the harness.

Precautions for Harness Repair

Precautions for Harness Repair

  • Solder the repaired area and wrap tape around the soldered area.

    Note:

    A fray of twisted lines must be within 110 mm (4.33 in).

  • Bypass connection is never allowed at the repaired area.

    Note:

    Bypass connection may cause CAN communication error. The spliced wire becomes separated and the characteristics of twisted line are lost.

  • Replace the applicable harness as an assembly if error is detected on the shield lines of CAN communication line.

    How to Use This Manual. How to Use This Section
    How to Use This Section Information Information “CAN FUNDAMENTAL” of LAN Section describes the basic knowledge of the CAN communication system and the method of trouble diag...
    System Description
    System Can Communication System System Description System Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-Nissan ...

    Other materials:

    Fuel Tank Temperature Sensor
    Component Inspection Component Inspection CHECK FUEL TANK TEMPERATURE (FTT) SENSOR Turn ignition switch OFF. Disconnect fuel level sensor unit and fuel pump harness connector. Remov ...

    Manifold Absolute Pressure Sensor
    Component Inspection Component Inspection CHECK MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR-1 Turn ignition switch OFF. Start engine and warm it up to normal operating temperature. Turn ...

    Trip computer
    1. Vehicle speed The vehicle speed screen shows the current speed of the Nissan Sentra as well as the average vehicle speed calculated since the last reset. Average vehicle speed: Press the OK button on the steering wheel to open the drive computer Reset menu, then follow the on-screen in ...