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: Dlc Branch Line Circuit

Diagnosis Procedure

Diagnosis Procedure

  1. CHECK CONNECTOR

    1. Turn the ignition switch OFF.

    2. Disconnect the battery cable from the negative terminal.

    3. Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).

      • 8CH CAN gateway

      • Data link connector

    Is the inspection result normal?

    YES >>

    GO TO 2.

    NO >>

    Repair the terminal and connector.

  2. CHECK HARNESS FOR OPEN CIRCUIT

    1. Disconnect the connector of 8CH CAN gateway.

    2. Check the resistance between the 8CH CAN gateway harness connector terminals.

      8CH CAN gateway harness connector

      Continuity

      Connector No.

      Terminal No.

      M37

      13

      29

      Existed

      14

      30

      Existed

    Is the measurement value within the specification?

    YES >>

    GO TO 3.

    NO >>

    Repair the harness and repair the root cause (Diagnostic CAN communication circuit side).

  3. CHECK HARNESS FOR OPEN CIRCUIT

    1. Connect the connector of 8CH CAN gateway.

    2. Check the resistance between the data link connector terminals.

      Data link connector

      Resistance (Ω)

      Connector No.

      Terminal No.

      M22

      6

      14

      Approx. 54 – 66

    Is the measurement value within the specification?

    YES (Present error) >>

    Check CAN system type decision again.

    YES (Past error) >>

    Error was detected in the data link connector branch line circuit.

    NO >>

    Repair the data link connector branch line.

    Av Branch Line 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 ...
    Vehicle Can Communication 1 Circuit
    Diagnosis Procedure Diagnosis Procedure CONNECTOR INSPECTION Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect all the unit conne...

    Other materials:

    Handling Precaution
    Description Description PRECAUTIONS FOR AUTOMATIC EMERGENCY BRAKING (AEB) The automatic emergency braking (AEB) system is a supplemental aid to the driver. It is not a replacement for the driver′s attention to traffic conditions or responsibility to drive ...

    Corrosion protection
    Most common factors contributing to vehicle corrosion Corrosion affecting your Nissan Sentra is most commonly caused by the following factors: The accumulation of moisture-retaining dirt, sand, and debris in body panel seams, cavities, and concealed areas. Damage to paint or other protec ...

    P0326 Knock Sensor
    Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detected conditio ...