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 |
|
|
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.
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When “CRNT” is displayed on “Self Diagnostic Result”
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The system is presently malfunctioning.
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-
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"
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Turn the ignition switch ON.
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Depress accelerator pedal (5/8 or more) two times within 10 seconds.
When any of the following conditions is satisfied, "Diag Test Mode" will be released.
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Nissan Sentra Vehicle speed reaches 7.9 km/h or more.
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Perform the following procedure.
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Turn the ignition switch OFF.
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Get out of the Nissan Sentra vehicle and close the driver side door.
-
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.
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
...

