Nissan Sentra B18 (2020-2025) Service Manual: License Plate Lamp Circuit
Component Function Check
Component Function Check
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CHECK TAIL LAMP LH OPERATION
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Check that tail lamp LH is turned ON when lighting switch is turned 1ST.
Is the inspection result normal?
YES >>GO TO 2.
NO >>Refer to Component Function Check.
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CHECK LICENSE PLATE LAMP OPERATION
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CONSULT-
Select “TAIL LAMP” in “Active Test” mode of “IPDM E/R”.
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With operating the test item, check that the license plate lamp is turned ON.
On
: License plate lamp ON
Off
: License plate lamp OFF
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Is the inspection result normal?
YES >>License plate lamp circuit is normal.
NO >>Refer to Diagnosis Procedure.
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Diagnosis Procedure
Diagnosis Procedure
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CHECK LICENSE PLATE LAMP BULB
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Check the license plate lamp bulb. Refer to Component Inspection.
Is the inspection result normal?
YES >>GO TO 2.
NO >>Replace corresponding license plate lamp. Refer to Removal and Installation.
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CHECK LICENSE PLATE LAMP POWER SUPPLY CIRCUIT
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Ignition switch OFF.
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Disconnect the following connectors:
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IPDM E/R
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Rear combination lamp LH (body side)
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Rear combination lamp LH (trunk lid side)
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License plate lamp LH
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License plate lamp RH
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Check continuity between IPDM E/R harness connector and license plate lamp harness connector.
IPDM E/R
License plate lamp
Continuity
Connector
Terminal
Connector
Terminal
RH
E47
4
B89
1
Yes
LH
B91
-
Is the inspection result normal?
YES >>GO TO 3.
NO >>Repair or replace harness.
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CHECK LICENSE PLATE LAMP GROUND CIRCUIT
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Check continuity between license plate lamp harness connector and ground.
License plate lamp
—
Continuity
Connector
Terminal
RH
B89
2
Ground
Yes
LH
B91
Is the inspection result normal?
YES >>Replace corresponding license plate lamp. Refer to Removal and Installation.
NO >>Repair or replace harness.
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Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
...
Diagnosis System (a/c Amp.)
Diagnosis Description
Diagnosis Description
CONSULT performs the following functions via CAN
communication with A/C amp.:
Diagnostic mode
CGW Status
Descrip ...
C1076-55 Control Unit
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen item
(Trouble diagnosis
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DTC detection condition
...