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 concern
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 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
...
Inspection and adjustment
Additional service when replacing control unit
Additional service when replacing control unit : description
Memory reset procedure
Please observe the following instructions at confirming the moo ...
Other materials:
Engine coolant temperature gauge
NOTE:
The ignition switch must be placed in the
ON position for the gauge to give a reading.
The gauge indicates the engine coolant temperature.
The engine coolant temperature is within the
normal range when the reading is within the zone
A shown in the illustration.
The engine coolan ...
P0460 Fuel level sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0460 is displayed with DTC UXXXX, first perform the trouble
diagnosis for DTC UXXXX.
If DTC P0460 is displayed with DTC P0607, first perform the trouble
diagnosis for DTC P0607. Refer
to EC-350, "DTC Logic".
When the vehicle is ...
P0171 Fuel injection system function
DTC Logic
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from the
A/F sensors 1. The ECM calculates
the necessary compensation to correct th ...
