2005 NISSAN NAVARA Repair Workshop Manual

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NISSAN NAVARA 2005 Repair Workshop Manual HOW TO USE THIS MANUAL
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Harness Indication
lLetter designations next to test meter probe indicate harness
(connector) wire color.
lConnector numbers in a single circle M

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NISSAN NAVARA 2005 Repair Workshop Manual GI-20
HOW TO USE THIS MANUAL
Detectable Lines and Non-Detectable Lines
In some wiring diagrams, two kinds of lines, representing wires, with different weight are used.
lA line with regular weight (wid

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NISSAN NAVARA 2005 Repair Workshop Manual HOW TO USE THIS MANUAL
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Multiple Switch
The continuity of multiple switch is described in two ways as shown below.
lThe switch chart is used in schematic diagrams.
lThe

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NISSAN NAVARA 2005 Repair Workshop Manual GI-22
HOW TO USE THIS MANUAL
Reference Area
The Reference Area of the wiring diagram contains references to additional electrical reference pages at the
end of the manual. If connector numbers and tit

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NISSAN NAVARA 2005 Repair Workshop Manual HOW TO USE THIS MANUAL
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AbbreviationsEAS001GZ
The followingABBREVIATIONSare used:
ABBREVIATION DESCRIPTION
A/C Air Conditioner
A/T Automatic Transaxle/Transmission
ATF A

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NISSAN NAVARA 2005 Repair Workshop Manual GI-24
SERVICE INFORMATION FOR ELECTRICAL INCIDENT
SERVICE INFORMATION FOR ELECTRICAL INCIDENT
PFP:00000
How to Perform Efficient Diagnosis for an Electrical IncidentEAS001H0
WORK FLOW
INCIDENT SIMULAT

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SERVICE INFORMATION FOR ELECTRICAL INCIDENT
SERVICE INFORMATION FOR ELECTRICAL INCIDENT
PFP:00000
How to Perform Efficient Diagnosis for an Electrical IncidentEAS001H0
WORK FLOW
INCIDENT SIMULATION TESTS
Introduction
Sometimes the symptom is not present when the vehicle is brought in for service. If possible, re-create the
conditions present at the time of the incident. Doing so may help avoid a No Trouble Found Diagnosis. The fol-
lowing section illustrates ways to simulate the conditions/environment under which the owner experiences an
electrical incident.
The section is broken into the six following topics:
lVehicle vibration
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STEP DESCRIPTION
STEP 1Get 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:
WHATVehicle Model, Engine, Transmission/Transaxle and the System (i.e. Radio).
WHENDate, Time of Day, Weather Conditions, Frequency.
WHERERoad Conditions, Altitude and Traffic Situation.
HOWSystem Symptoms, Operating Conditions (Other Components Interaction).
Service History and if any After Market Accessories have been installed.
STEP 2Operate the system, road test if necessary.
Verify the parameter of the incident.
If the problem cannot be duplicated, refer to “Incident Simulation Tests”.
STEP 3Get the proper diagnosis materials together including:
lPower Supply Routing
lSystem Operation Descriptions
lApplicable Service Manual Sections
lCheck for any Service Bulletins
Identify where to begin diagnosis based upon your knowledge of the system operation and the customer comments.
STEP 4Inspect 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 6Operate the system in all modes. Verify the system works properly under all conditions. Make sure you have not inad-
vertently created a new incident during your diagnosis or repair steps.

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NISSAN NAVARA 2005 Repair Workshop Manual SERVICE INFORMATION FOR ELECTRICAL INCIDENT
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lHeat sensitive
lFreezing
lWater intrusion
lElectrical load
lCold or hot start up
Get a thorough description of the incident

SERVICE INFORMATION FOR ELECTRICAL INCIDENT
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lHeat sensitive
lFreezing
lWater intrusion
lElectrical load
lCold or hot start up
Get a thorough description of the incident from the customer. It is important for simulating the conditions of the
problem.
Vehicle Vibration
The problem may occur or become worse while driving on a rough road or when engine is vibrating (idle with
A/C on). In such a case, you will want to check for a vibration related condition. Refer to the following illustra-
tion.
CONNECTORS & HARNESS
Determine which connectors and wiring harness would affect the electrical system you are inspecting. Gently
shake each connector and harness while monitoring the system for the incident you are trying to duplicate.
This test may indicate a loose or poor electrical connection.
HINT
Connectors can be exposed to moisture. It is possible to get a thin film of corrosion on the connector termi-
nals. A visual inspection may not reveal this without disconnecting the connector. If the problem occurs inter-
mittently, perhaps the problem is caused by corrosion. It is a good idea to disconnect, inspect and clean the
terminals on related connectors in the system.
SENSORS & RELAYS
Gentlyapply a slight vibration to sensors and relays in the system you are inspecting.
This test may indicate a loose or poorly mounted sensor or relay.
ENGINE COMPARTMENT
There are several reasons a vehicle or engine vibration could cause an electrical complaint. Some of the
things to check for are:
lConnectors not fully seated.
lWiring harness not long enough and is being stressed due to engine vibrations or rocking.
lWires laying across brackets or moving components.
lLoose, dirty or corroded ground wires.
lWires routed too close to hot components.
To inspect components under the hood, start by verifying the integrity of ground connections. (Refer to Ground
Inspection described later.) First check that the system is properly grounded. Then check for loose connection
by gently shaking the wiring or components as previously explained. Using the wiring diagrams inspect the
wiring for continuity.
BEHIND THE INSTRUMENT PANEL
An improperly routed or improperly clamped harness can become pinched during accessory installation. Vehi-
cle vibration can aggravate a harness which is routed along a bracket or near a screw.
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NISSAN NAVARA 2005 Repair Workshop Manual GI-26
SERVICE INFORMATION FOR ELECTRICAL INCIDENT
UNDER SEATING AREAS
An unclamped or loose harness can cause wiring to be pinched by seat components (such as slide guides)
during vehicle vibration. I

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