Nissan Sentra Service Manual: Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1. OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.
>> GO TO 2.
2. CONFIRM THE SYMPTOM
Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.
>> GO TO 3.
3. IDENTIFY THE MALFUNCTIONING SYSTEM WITH SYMPTOM DIAGNOSIS
Use Symptom diagnosis from the symptom inspection result in step 2 and then identify where to start performing the diagnosis based on possible causes and symptoms.
>> GO TO 4.
4. PERFORM THE COMPONENT DIAGNOSIS OF THE OF THE APPLICABLE SYSTEM
Perform the diagnosis with Component diagnosis of the applicable system.
>> GO TO 5.
5. REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the specified malfunctioning parts.
>> GO TO 6.
6. FINAL CHECK
Check that malfunctions are not reproduced when obtaining the malfunction information from the customer, referring to the symptom inspection result in step 2.
Are the malfunctions corrected? YES >> Inspection End.
NO >> GO TO 3.
Basic inspection
...
Additional service when removing battery negative terminal
Description
When the battery negative terminal is disconnected, the initialization is
necessary for normal operation of
power window system.
CAUTION:
The following specified operations can not b ...
Other materials:
Power steering
WARNING
If the engine is not running or is turned
off while driving, the power assist for
the steering will not work. Steering will
be harder to operate.
When the power steering warning light
illuminates with the engine running,
there will be no power assist for th ...
P0078 EVT Control solenoid valve
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0078
EX V/T ACT/CIRC-B1
(Exhaust valve control solenoid circuit
bank 1)
An improper voltage is sent to the ECM
through exhaust v ...
How to use this manual
Description
This volume explains “Removal, Disassembly, Installation, Inspection and
Adjustment” and “Trouble Diagnoses”.
Terms
The captions WARNING and CAUTION warn you of steps that must be followed
to prevent personal injury
and/or damage to some part of the vehi ...
