Nissan Sentra B18 (2020-2025) Service Manual: 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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Diagnosis Procedure
Diagnosis Procedure
CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT
Ignition switch OFF.
Dis ...
Other materials:
U1000 CAN Comm circuit
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
U1000
CAN COMM CIRCUIT
When CAN communication signal is not continuously
received for 2 seconds or more
CAN communication system malfunction
Diagnosis Procedure
...
Preparation
Special Service Tool
Special Service Tool
The actual shape of the tools may differ from those
illustrated here.
Tool number
(TechMate No.)
Tool name
Descriptio ...
Controls
Fan speed control dial
The
fan speed control dial switches the blower fan on or off and allows precise adjustment
of fan speed. In the Nissan Sentra, this control helps regulate cabin airflow intensity
for daily driving comfort and seasonal climate needs.
Air flow control buttons
The air ...
