Nissan Sentra B18 (2020-2025) Service Manual: Intelligent Key Warning Buzzer
Component Function Check
Component Function Check
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CHECK FUNCTION
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CONSULT-
Select "OUTSIDE BUZZER" in "Active Test" mode of "HANDS FREE MODULE".
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Select “On” or “Off” to check that it works normally.
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Is the inspection result normal?
YES>>Intelligent Key warning buzzer is OK.
NO>>Refer to Diagnosis Procedure.
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Diagnosis Procedure
Diagnosis Procedure
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CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT
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Ignition switch OFF.
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Disconnect Intelligent Key unit connector and Intelligent Key warning buzzer connector.
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Check continuity between Intelligent Key unit harness connector and Intelligent Key warning buzzer harness connector.
Intelligent Key unit
Intelligent Key warning buzzer
Continuity
Connector
Terminal
Connector
Terminal
M155
3
E70
1
Yes
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Check continuity between Intelligent Key unit harness connector and ground.
Intelligent Key unit
—
Continuity
Connector
Terminal
M155
3
Ground
No
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Is the inspection result normal?
YES >>GO TO 2.
NO >>Repair or replace harness.
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CHECK INTELLIGENT KEY WARNING BUZZER
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Refer to Component Inspection.
Is the inspection result normal?
YES >>Replace Intelligent Key unit. Refer to Removal and Installation.
NO >>Replace Intelligent Key warning buzzer. Refer to Removal and Installation.
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Component Inspection
Component Inspection
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CHECK INTELLIGENT KEY WARNING BUZZER
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Ignition switch OFF.
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Disconnect Intelligent Key warning buzzer connector.
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Connect battery power supply directly to Intelligent Key warning buzzer terminals and check the operation.
Intelligent Key warning buzzer
Operation
Terminals
(+)
(−)
1
2
Buzzer sounds
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Is the inspection result normal?
YES>>Inspection End.
NO>>Replace Intelligent Key warning buzzer. Refer to Removal and Installation.
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Other materials:
Intelligent Key Unit. Removal and Installation
Removal and Installation
Removal and Installation
REMOVAL
CAUTION:
Be sure to perform “ADDITIONAL
SERVICE WHEN REPLACING INTELLIGENT KEY UNIT” when replacing
Intelligent Key unit. Refer to Work Procedure.
Remove
instrument panel assembly. Refer to Removal and ...
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 ...
Heater and air conditioner (automatic)
AUTO (automatic) climate control button / temperature control dial (driver's
side)
Display screen
Heated seat switches (if so equipped)
SYNC button / temperature control dial (passenger's side)
A/C (air conditioner) button
Air recirculation button
A ...