Nissan Sentra B18 (2020-2025) Service Manual: Dlc Branch Line Circuit
Diagnosis Procedure
Diagnosis Procedure
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CHECK CONNECTOR
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Turn the ignition switch OFF.
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Disconnect the battery cable from the negative terminal.
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Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
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8CH CAN gateway
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Data link connector
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Is the inspection result normal?
YES >>GO TO 2.
NO >>Repair the terminal and connector.
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CHECK HARNESS FOR OPEN CIRCUIT
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Disconnect the connector of 8CH CAN gateway.
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Check the resistance between the 8CH CAN gateway harness connector terminals.
8CH CAN gateway harness connector
Continuity
Connector No.
Terminal No.
M37
13
29
Existed
14
30
Existed
Is the measurement value within the specification?
YES >>GO TO 3.
NO >>Repair the harness and repair the root cause (Diagnostic CAN communication circuit side).
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CHECK HARNESS FOR OPEN CIRCUIT
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Connect the connector of 8CH CAN gateway.
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Check the resistance between the data link connector terminals.
Data link connector
Resistance (Ω)
Connector No.
Terminal No.
M22
6
14
Approx. 54 – 66
Is the measurement value within the specification?
YES (Present error) >>Check CAN system type decision again.
YES (Past error) >>Error was detected in the data link connector branch line circuit.
NO >>Repair the data link connector branch line.
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Other materials:
Front Bumper
Exploded View
Exploded View
1.
Front bumper side bracket (RH)
2.
Front bumper reinforcement support
(RH)
...
Power Supply, Ground & Circuit Elements. Basic Inspection
Battery
How to Handle Battery
How to Handle Battery
CAUTION:
If it becomes necessary to start the engine with
a booster battery and jumper cables, use a 12-volt booster
battery.
After connecting battery cables, ensure that they
...
Rear Window Glass
Exploded View
Exploded View
1.
Spacer
2.
Rear window glass
3.
Adhesive ...