Nissan Sentra manuals

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:
  • Power Supply Routing
  • System Operation Descriptions
  • Applicable Service Manual Sections
  • Check for any Service Bulletins

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.
Service information for electrical incident
...

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:

Battery
How to handle battery CAUTION: If it becomes necessary to start the engine with a booster battery and jumper cables, use a 12-volt booster battery. After connecting battery cables, ensure that they are tightly clamped to battery terminals for good contact. Never add distilled wat ...

Dtc/circuit diagnosis
Eco mode switch Component function check 1. Check eco mode switch operation Turn ignition switch on. Check ECO mode indicator lamp turns ON/OFF on combination meter when turn ECO mode switch ON/ OFF. Is the inspection result normal? YES >> GO TO 2. NO >> Proceed to DM ...

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 SYMPTO ...

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