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:
P1650 Starter motor relay 2
Description
ECM controls ON/OFF state of the starter relay, according to the engine and
vehicle condition. ECM transmits
a control signal to IPDM E/R via BCM by CAN communication.
Under normal conditions, ECM controls and maintains the starter relay in OFF
state during following condition:
...
Checking engine oil level
Park the vehicle on a level surface and apply
the parking brake.
Start the engine and let it idle until it reaches
operating temperature.
Turn off the engine. Wait more than
10 minutes for the oil to drain back into
the oil pan.
Remove the dipstick and wipe it clean. Reinsert
...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of inju ...
