Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis System (8ch Can Gateway)
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.
-
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"
-
Turn the ignition switch ON.
-
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.
-
Nissan Sentra Vehicle speed reaches 7.9 km/h or more.
-
Perform the following procedure.
-
Turn the ignition switch OFF.
-
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.
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 comm ...
Other materials:
Hvac branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the a/c auto amp. For damage, bend
and loose connection (unit
side and connector side).
Is the inspection result normal? ...
Ecu diagnosis information
Ipdm e/r (intelligent power distribution module engine room)
Reference Value
Values on the diagnosis tool
Terminal layout
Physical values
Fail-Safe
Can communication control
When can communication with ecm and bcm is impossible, ipdm e/r performs
fail-safe ...
U1000 Can comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real-time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, an ...
