Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis Procedure
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CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
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Check BCM power supply and ground circuit.
Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>GO TO 2.
NO >>Repair or replace malfunctioning parts.
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CHECK MOONROOF MOTOR ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT
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Check moonroof motor assembly power supply and ground circuit.
Refer to Component Function Check.
Is the inspection result normal?
YES >>Check intermittent incident. Refer to Intermittent Incident.
NO >>Repair or replace malfunctioning parts.
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Other materials:
P0171 Fuel injection system function
DTC Logic
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from the
A/F sensors 1. The ECM calculates
the necessary compensation to correct th ...
Additional Service After Automatic Report
Description
Description
When the automatic report function of the TCU is activated, the
TCU is locked. After the automatic report function of the TCU is activated, it
is necessary to release the lock.
Work Procedure
Work Procedure
AUTOMATIC REPORT PREVENTION
R ...
Dtc Inspection Priority Chart
DTC Inspection
Priority Chart
If multiple DTCs are detected simultaneously, check
them one by one depending on the following DTC inspection priority
chart:
Priority
Detected items (DTC)
...
