Nissan Sentra Service Manual: Work Flow
| STEP | DESCRIPTION | |
| STEP 1 | Get detailed information about the conditions and the
environment when the incident occurred.
The following are key pieces of information required to make a good analysis: |
|
| WHAT | Vehicle Model, Engine, Transmission/Transaxle and the System (i.e. Radio). | |
| WHEN | Date, Time of Day, Weather Conditions, Frequency. | |
| WHERE | Road Conditions, Altitude and Traffic Situation. | |
| HOW | System Symptoms, Operating Conditions (Other Components
Interaction).
Service History and if any After Market Accessories have been installed. |
|
| STEP 2 | Operate the system, road test if necessary.
Verify the parameter of the incident. If the problem cannot be duplicated, refer to “Incident Simulation Tests”. |
|
| STEP 3 | Get the proper diagnosis materials together including:
Identify where to begin diagnosis based upon your knowledge of the system operation and the customer comments. |
|
| STEP 4 | Inspect the system for mechanical binding, loose
connectors or wiring damage.
Determine which circuits and components are involved and diagnose using the Power Supply Routing and Harness Layouts. |
|
| STEP 5 | Repair or replace the incident circuit or component. | |
| STEP 6 | Operate the system in all modes. Verify the system works properly under all conditions. Make sure you have not inadvertently created a new incident during your diagnosis or repair steps. | |
Control Units and Electrical Parts
PRECAUTIONS
Never reverse polarity of battery terminals.
Install only parts specified for a vehicle.
Before replacing the control unit, check the input and output and
functions of the compo ...
Other materials:
Heater and Air Conditioner (manual) (if so equipped)
WARNING
The air conditioner cooling function operates
only when the engine is running.
Do not leave children or adults who would
normally require the assistance of others
alone in your vehicle. Pets should also not
be left alone. They could accidentally injure
them ...
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 injur ...
Symptom diagnosis
CVT CONTROL SYSTEM
Symptom Table
The diagnosis item number indicates the order of check. Start checking in the
order from 1.
...
