Nissan Sentra B18 (2020-2025) Service Manual: Component Inspection
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CHECK REAR WINDOW DEFOGGER RELAY
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Ignition switch OFF.
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Disconnect rear window defogger relay.
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Check continuity between rear window defogger relay terminals.
Rear window defogger relay
Condition
Continuity
Terminals
3
5
12 V direct current supply between terminals 1 and 2.
Yes
No current supply
No
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Is the inspection result normal?
YES >>Inspection End.
NO >>Replace rear window defogger relay.
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Diagnosis Procedure
Diagnosis Procedure
CHECK FUSE
Ignition switch OFF.
Check that the following fuse is not blo ...
Other materials:
Diagnostic Can Communication Circuit
Diagnosis Procedure
Diagnosis Procedure
CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the
negative terminal.
Check the following terminals and
...
INSTALLATION
CAUTION:
Verify that the connector direction is within the
specification shown when assembling the bumper fascia.
(A)
: Horizontal position
(a)
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Combination Switch Reading System
System Description
System Description
SYSTEM DIAGRAM
OUTLINE
The BCM reads the status of the combination switch
and recognizes the status of each switch.
The BCM has a combination of 6 input terminals
(INPUT 1 - 6) and 6 output terminals (OUTPU ...
