Nissan Sentra Service Manual: Basic inspection
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. Refer to WW-46, "Symptom Table".
>> 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.
Wiring diagram
Wiper and washer system
Wiring diagram - with intelligent key
Wiring diagram - without intelligent key
...
Other materials:
Compression pressure
Inspection
Warm up the engine to full operating temperature.
Release fuel pressure. Refer to EC-143, "Work Procedure".
Remove ignition coil and spark plug from each cylinder. Refer to EM-46,
"Exploded View".
Connect engine tachometer (not required in use of CONSULT). ...
P2101 Electric throttle control function
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P2101 is displayed with DTC P2100, first perform the trouble
diagnosis for DTC P2100. Refer
to EC-423, "DTC Logic".
If DTC P2101 is displayed with DTC P2119, first perform the trouble
diagnosis for DTC P2119. Refer
to EC-430, &qu ...
P0720 Output speed sensor
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P0720
OUTPUT SPEED SENSOR
(Output Speed Sensor Circuit)
The output speed sensor value is less than
150 rpm continuously for 5 seconds ...
