Nissan Sentra B18 (2020-2025) Service Manual: Dtc Diagnosis Procedure
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CHECK CAN COMMUNICATION
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Check CAN communication. Refer to Trouble Diagnosis Flow Chart.
Is DTC “U2148-87” displayed?
YES >>Repair or replace the malfunctioning part.
NO >>Check intermittent incident. Refer to Intermittent Incident.
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Confirmation Procedure
Confirmation Procedure
PERFORM DTC CONFIRMATION
PROCEDURE
CONSULT
Ignition switch ON and wait for 2 s ...
Other materials:
Commercial Service Tools
Commercial Service Tools
Tool name
Description
Power tool
Loosening nuts, screws and
...
Refrigerant System Protection
Refrigerant System Protection
Refrigerant pressure sensor
The refrigerant system is protected against
excessively high or low pressures by the refrigerant pressure
sensor, located on the high-pressure pipe. If the system pressure
rises above or falls below the specifications, the ref ...
Confirmation Procedure
Confirmation Procedure
PRECONDITIONING
If “Confirmation Procedure” has been
previously conducted, always place the ignition switch OFF and wait
at least 10 seconds before conducting the next test.
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