Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis Procedure
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CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUIT
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Check combination meter unit power supply and ground circuit. Refer to Diagnosis Procedure (Type A) or Diagnosis Procedure (Type B).
Is the inspection result normal?
YES >>GO TO 2.
NO >>Repair or replace the malfunctioning parts.
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CHECK HARNESS CONNECTOR
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Check the harness connector.
Is the inspection result normal?
YES >>GO TO 3.
NO >>Replace harness connectors.
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CHECK WIRING HARNESS
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Check the wiring harness externals.
Is the inspection result normal?
YES >>GO TO 4.
NO >>Replace wiring harness.
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CHECK AIR BAG DIAGNOSIS SENSOR UNIT
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Disconnect air bag diagnosis sensor unit connector and place ignition switch in the ON position.
Does air bag warning lamp turn ON?
YES >>Replace air bag diagnosis sensor unit. Refer to Removal and Installation.
NO >>Replace combination meter. Refer to Removal and Installation (Type A) or Removal and Installation (Type B).
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Other materials:
Troubleshooting guide
The system should respond correctly to all voice
commands without difficulty. If problems are encountered,
try the following solutions.
Where the solutions are listed by number, try
each solution in turn, starting with number 1, until
the problem is resolved.
Symptom
Solution
...
P044c Egr Volume Control Valve Position Sensor
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection
condition
...
Precautions
Precaution for Supplemental Restraint System (srs) "air Bag" and "seat Belt Pre-Tensioner"
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as
“AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along wit ...
