Nissan Sentra Service Manual: A-bag branch line circuit
Diagnosis procedure
Warning:
Always observe the following items for preventing accidental activation.
- 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.
1.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.
2.Check air bag diagnosis sensor unit
Check the air bag diagnosis sensor unit. Refer to src-38, "work flow".
Is the inspection result normal? Yes >> replace the main harness.
No >> replace parts whose air bag system has a malfunction.
Tcm branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and ...
Dlc branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the data link connector for ...
Other materials:
System description
Component parts
Component parts location
Front tweeter LH
GPS antenna
Steering switches
AV control unit
Front tweeter RH
Microphone
Front door speaker LH
Front door speaker RH
Rear door speaker LH
Rear door speaker RH
Rear woofer RH
Rear woofer LH
Antenna amp
Satel ...
Basic inspection
Diagnosis and repair work flow
Work flow
OVERALL SEQUENCE
Detailed flow
1.Get information for symptom
Get detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurs)
Check operation condition of the function tha ...
Basic inspection
Diagnosis and repair workflow
Trouble diagnosis flow chart
Trouble diagnosis procedure
Interview with customer
Interview with the customer is important to detect the root cause of can
communication system errors and to
understand vehicle condition and symptoms for proper trouble diagnosi ...