Nissan Sentra B18 (2020-2025) Service Manual: Power Supply and Ground Circuit (8ch Can Gateway)
Diagnosis Procedure
-
CHECK FUSE
Check that the following fuse are not blown.
Signal name
Fuse No.
Battery power supply
20
Ignition power supply
49
Is the fuse blown (open)?
YES >>Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO >>GO TO 2.
-
CHECK POWER SUPPLY CIRCUIT
-
Turn the ignition switch OFF.
-
Disconnect the connector of 8CH CAN gateway.
-
Check voltage between 8CH CAN gateway harness connector and ground.
Terminals
Condition
Voltage
(Standard)
Voltage
(Reference value)
(+)
(−)
8CH CAN gateway
Ground
Ignition switch
Connector
Terminal
M37
32
OFF
6 – 16 V
Battery
voltage
16
ON
7 – 16 V
Battery
voltage
Is the measurement value normal?
YES >>GO TO 3.
NO >>Repair harness or connector.
-
-
CHECK GROUND CIRCUIT
Check continuity between 8CH CAN gateway harness connector and ground.
8CH CAN gateway
Ground
Continuity
Connector
Terminal
M37
15
Existed
31
Does continuity exist?
YES >>INSPECTION END
NO >>Repair harness or connector.
Other materials:
Cluster lid C
Removal and Installation - Cluster Lid C
REMOVAL
Remove cluster lid C lower. Refer to IP-20, "Removal and Installation -
Cluster Lid C Lower".
Remove the cluster lid C screws (A).
Disconnect the harness connector from cluster lid C.
Remove the center ventilator grill ...
Parking Brake Release Warning Chime
Parking Brake Release Warning Chime
Parking Brake Release Warning Chime
SYSTEM DIAGRAM
WARNING OPERATION CONDITIONS
If all of the following conditions are
fulfilled:
Operation conditions
...
Resetting the drive computer
The drive computer on the Nissan Sentra is organized into three separate information
screens, allowing the driver to easily monitor key trip and driving data during
everyday use:
Average Speed
Average Fuel Economy
Trip Distance & Time
1. Press the
buttons repeatedly until the ...
