Nissan Sentra B18 (2020-2025) Service Manual: Component Parts/circuit Diagnosis. Power Supply and Ground Circuit (8ch Can Gateway)
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:
Rear Window Glass
Exploded View
Exploded View
1.
Spacer
2.
Rear window glass
3.
Adhesive ...
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.COLLECT INFORMATION FROM THE CUSTOMER
Get detailed information from the customer about the symptom
(the condition and the environment when the
incident/malfunction occurred) using the diagnostic worksheet. Refer to BRC-52,
"Diagnostic Wor ...
Trouble diagnosis - specification
value
Description
The specification (SP) value indicates the tolerance of the value that is
displayed in “SPEC” of “DATA MONITOR”
mode of CONSULT during normal operation of the Engine Control System. When the
value in “SPEC” of
“DATA MONITOR” mode is within t ...