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:

Wiring diagram
Interior room lamp control system Wiring diagram Illumination Wiring diagram ...

Evap leak check
Inspection CAUTION: Do not use compressed air or a high pressure pump. Do not exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP system. NOTE: Do not start engine. Improper installation of EVAP service port adapter [commercial service tool: (J-41413-OBD)] to the EVAP ...

Diagnosis description : counter system
RELATIONSHIP BETWEEN MIL, 1ST TRIP DTC, DTC, AND DETECTABLE ITEMS When a malfunction is detected for the first time, the 1st trip DTC and the 1st trip freeze frame data are stored in the ECM memory. When the same malfunction is detected in two consecutive trips, the DTC and the freeze ...

© 2014-2020 Copyright www.nisentra.com