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:

P1550 Battery current sensor
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P1550 BAT CURRENT SENSOR (Battery current sensor) The output voltage of the battery current sensor remains within the specified r ...

Component parts
Component parts location Bcm (view with instrument panel removed) Ipdm e/r (rear window defogger relay) A/c auto amp. (View with a/c switch assembly removed) A/C switch assembly (rear window defogger switch) (with auto A/C) A/c switch assembly (rear window defogger switch) (wit ...

Symptom diagnosis
CVT CONTROL SYSTEM Symptom Table The diagnosis item number indicates the order of check. Start checking in the order from 1. ...

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