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:
Abs 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 abs actuator and electric unit
(control unit) for damage, bend
and loose connection (unit side and connector side).
...
B2268 water temp
Description
The engine coolant temperature signal is transmitted from ecm to the
combination meter via can communication.
Dtc logic
Dtc detection logic
Dtc
Consult
Detection condition
Probable malfunction location
B2268
Water temp meter
[b2268]
Ecm continuous ...
Fog light switch (if so equipped)
To turn the fog lights on, turn the headlight switch
to the position, then turn the
fog light
switch to the position.
If the headlight switch is in the AUTO position
and the fog light switch is moved to the ON
position, both the fog lights and the headlights
(including all other ...
