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: Description

Component Parts (8ch Can Gateway)

Component Parts Location

Component Parts Location

Behind the instrument panel

(view with instrument panel assemble removed)

Nissan Sentra Vehicle front

No.

Component

Function

1.

8CH CAN gateway

Refer to Component Description.

Component Description

Component Description

EXPLANATIONS OF COMPONENT PARTS

Component Function Within The System

Individual Component Function

8CH CAN gateway transmits CAN signals from each network.

Component Operation

Refer to System Description.

Component Parts Location

8CH CAN gateway is installed at behind the instrument panel. Refer to Component Parts Location.

System (8ch Can Gateway)

System Description

System Description

8CH CAN GATEWAY

System Diagram

System Description

  • The 8CH CAN gateway system communicates between Nissan Sentra vehicle CAN communication circuits, chassis CAN communication circuits, IT CAN communication circuit, Drivetrain CAN communication circuit, and diagnostic CAN communication circuit.

  • This system selects and transmits only necessary information.

Diagnosis System (8ch Can Gateway)

Consult Function

CONSULT Function

APPLICATION ITEM

CONSULT performs the following functions via CAN communication with 8CH CAN gateway.

Diagnosis mode

CGW status

Function Description

Restricted Mode

Diag Test Mode

Open Mode

Self Diagnostic Result

Display

Display

Display

Display non–network DTC which 8CH CAN gateway memorizes.

CGW Information*1

Display*1

Display*1

Display*1

  • Displays the current CGW status.*1

  • CGW status can be set.*1

ECU Identification

Display

Display

Display

The 8CH CAN gateway part number is displayed.

CAN Diag Support Monitor*2

Display

Display

Display

Note:

The mode is indicated, but not monitored.

Network-DTC*2

Display

Display

Display

Display network DTC which 8CH CAN gateway memorizes when performing "Diagnosis (All System)".

*1: In some Nissan Sentra vehicles, it is not malfunctioning in case of no display of "CGW Information". In this case, it is not necessary to switch the CGW status.

*2: Displays when performing "Diagnosis (All System)".

SELF DIAGNOSTIC RESULT

Refer to DTCIndex.

  • When “CRNT” is displayed on “Self Diagnostic Result”

    • The system is presently malfunctioning.

  • When “PAST” is displayed on “Self Diagnostic Result”

    • System malfunction in the past is detected, but the system is presently normal.

Freeze Frame Data (FFD)

When DTC is detected, a Nissan Sentra vehicle state shown below is recorded and displayed on CONSULT.

Item name

Display item

ODO/TRIP METER

(km)

Displays the total mileage when a DTC detected.

CGW INFORMATION

Display the diagnosis mode which a user can perform in Diag Test mode/Open Mode by switching the CGW status from Restricted mode to Diag Test Mode/Open Mode.

Note:

In some Nissan Sentra vehicles, it is not malfunctioning in case of no display of "CGW Information". In this case, it is not necessary to switch the CGW status.

  • Set to "Open Mode"

    • Refer to “CONSULT Operation Manual”.

  • Set to "Diag Test Mode"

    1. Turn the ignition switch ON.

    2. Depress accelerator pedal (5/8 or more) two times within 10 seconds.

    Note:

    When any of the following conditions is satisfied, "Diag Test Mode" will be released.

    • Nissan Sentra Vehicle speed reaches 7.9 km/h or more.

    • Perform the following procedure.

      1. Turn the ignition switch OFF.

      2. Get out of the Nissan Sentra vehicle and close the driver side door.

      3. Wait at least 3 minutes.

        CAUTION:

        While waiting, never operate the Nissan Sentra vehicle such as locking, opening, and closing doors. Violation of this caution results in the activation of ACC power supply according to the Auto ACC function.

ECU IDENTIFICATION

The part number of 8CH CAN gateway is displayed.

CAN DIAG SUPPORT MONITOR

The results of receive diagnosis of CAN communication can be read.

    Precaution. Precautions
    Precautions Precautions for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner" Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT B...
    Ecu Diagnosis Information. 8ch Can Gateway (8ch Can Gateway)
    8ch Can Gateway (8ch Can Gateway) Dtc Index DTC Index Self Diagnostic Result DTC CONSULT display Reference — No DTC is detected. Further testing may be required. — B2600-42 ...

    Other materials:

    Chime Does Not Sound
    Diagnosis Procedure Diagnosis Procedure The warning chime may not sound in some cases when there is a short distance between vehicles. Some examples are: When the Nissan Sentra vehicles are traveling at the same speed and the distance between vehicles is not changing. ...

    P0101 Maf Sensor
    Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition ...

    P052a Intake Valve Timing Control
    Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition ...