Nissan Sentra B18 (2020-2025) Service Manual: A-Bag Branch Line Circuit
Diagnosis Procedure
Diagnosis Procedure
Warning:
-
Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.)
-
Never use unspecified tester or other measuring device.
-
CHECK CONNECTOR
-
Turn the ignition switch OFF.
-
Disconnect the battery cable from the negative terminal.
-
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.
-
-
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:
Bluetooth connections screen
"
"
(back) key
Bluetooth tab
Connections screen
"Add New" key
"
"
(settings) key
"
"
(info) key
"
"
(Bluetooth Audio connection) key
"
"
(Bluetooth Hands-Free Phone
System connection) key
U ...
Knock Sensor
Component Inspection
Component Inspection
CHECK KNOCK SENSOR
Turn ignition switch OFF.
Disconnect knock sensor harness
connector.
Check resistance between knock sensor
terminals ...
Front Camera Unit
Values on the Diagnosis Tool
Values On The Diagnosis Tool
Note:
The following table includes information (items)
inapplicable to this Nissan Sentra vehicle. For information (items) applicable to this
vehicle, refer to CONSULT display items.
...