Nissan Sentra Service Manual: Basic inspection
Diagnosis and repair workflow
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 occurred).
>> GO TO 2
2.CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer. Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 3
3.DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE
Inspect according to Diagnostic Procedure of the system.
Is malfunctioning part detected? YES >> GO TO 4
NO >> GO TO 2
4.Repair or replace the malfunctioning part
- Repair or replace the malfunctioning part.
- Reconnect parts or connectors disconnected during Diagnostic Procedure.
>> Go to 5
5.Final check
Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
Has the symptom been repaired? YES >> Inspection End.
NO >> GO TO 2
Wiring diagram
Base audio
Wiring diagram
...
Dtc/circuit diagnosis
Power supply and ground circuit
Audio unit
Audio unit : diagnosis procedure
Regarding wiring diagram information, refer to av-25, "wiring diagram".
1.Check fuse
Check that the following ...
Other materials:
Event Data Recorders (EDR)
This vehicle is equipped with an Event Data Recorder
(EDR). The main purpose of an EDR is to
record, in certain crash or near crash-like situations,
such as an air bag deployment or hitting a
road obstacle, data that will assist in understanding
how a vehicle’s systems performed. The EDR
is ...
Main line between dlc and av circuit
Diagnosis procedure
1.Check harness continuity (open circuit)
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
ECM
AV control unit
Check the continuity between the data link connector and the av ...
Control buttons
The control buttons for the Bluetooth® Hands-Free
Phone System are located on the steering wheel.
PHONE/SEND
Press the button to
initiate a
VR session or answer an incoming
call.
You can also use the button to
interrupt the system feedback and
give a command at once. See “L ...
