Nissan Sentra B18 (2020-2025) Service Manual: A-Bag Branch Line Circuit
Diagnosis Procedure
Diagnosis Procedure
Warning:
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Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.)
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Never use unspecified tester or other measuring device.
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CHECK CONNECTOR
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Turn the ignition switch OFF.
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Disconnect the battery cable from the negative terminal.
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Check the terminals and connectors of the air bag diagnosis sensor unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES >>GO TO 2.
NO >>Replace the main harness.
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CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check the air bag diagnosis sensor unit. Refer to Work Flow.
Is the inspection result normal?
YES >>Replace the main harness.
NO >>Replace parts whose air bag system has a malfunction.
Other materials:
Maintenance precautions
When performing any inspection, servicing, or maintenance work on your Nissan
Sentra, always exercise extreme care to avoid serious personal injury or accidental
damage to the vehicle. Routine maintenance plays an important role in the long-term
reliability, safety, and performance of the Niss ...
C161b-86 Abs System
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
...
Cold weather driving
Freeing a frozen door lock
To help prevent the door locks of your Nissan Sentra from freezing in cold weather,
apply a suitable de-icing agent directly into the keyhole. If a lock does become
frozen, gently warm the mechanical key before inserting it into the keyhole. As
an alternative, use t ...