NEXPEAK NX301 Manuale utente

N 301

NEXPEAK

OBDII Scanner

N X 301

Table of Contents

1.Safety Precautions and Warnings

2.General Information

2.1 On-Board Diagnostics(OBD) II

2.2 Diagnostic Trouble Codes(DTCs)

2.3 Location of the Data Link Connector (DLC)

2.4 OBD II Readiness Monitors

2.5 OBD II Monitor Readiness Stauts

2.6 OBD II Definitions

3.Using the Scan Tool

3.1 About NEXPEAK NX301

3.2 Specification

3.3 Package Accessories

3.4 Tool Description

3.5 DTC Look-up

3.6 Product Setup

3.7 Vehicle Coverage

4.Tool Operation

4.1 Start Diagnostics

4.1.1

4.2 Read Codes

4.3 Erase Codes

4.4 Live Data

4.4.1 View Data

4.4.2 Record Data

4.4.3 Playback Data

4.5 View Freeze Frame Data

4.6 Retrieve I/M Readiness Status

4.7 Oxygen (O2) Sensor Monitor Test

4.8 On-Board Monitor Test

4.9 Component Test

4.10 View Vehicle Information

4.11 LED Interpretation

5.Print Diagnostic Report

6.Update The Scan Tool

7.Appendix

7.1 Appendix 1-PID List

7.2 Appendix 2-In-Use Performance Tracking Data List

8.Service Procedures

Connecting to Vehicle Power

4.1.2 Connecting to Personal Computer with USB Cable

1. Sicherheitsvorkehrungen und Warnungen

2. Allgemeine Information

2.1 Über NEXPEAK NX301

2.2 Spezifikation

2.3 Paket Zubehör

3. Verwenden das Scan Werkzeug

3.1 Werkzeug beschreibung

3.2 Sprache einrichten

3.3 Abdeckung Fahrzeug

4. Werkzeug Betrieb1

4.1 Speicherort des Data Link Connector (DLC)

4.2 Starten Diagnose

4.3 Codes lesen

4.4 Codes löschen

4.5 Lebensdaten

4.5.1 Daten anzeigen

4.5.2 Daten aufzeichnen

4.5.3 Wiedergabe Daten

4.6 Aussicht Gefrorener Rahmen Daten

4.7 Abrufen I/M Bereitschaft Status

4.8 Sauerstoff (O2) Sensor Monitor Prüfung

4.9 Am-Bordmonitor Prüfung

4.10 Komponenten Prüfung

4.11 Ansicht Fahrzeuginformationen

4.12 LED Deutung

5. Drucken Diagnose bericht

6. Aktualisieren Das Scan Werkzeug

8. Dienst Verfahren

7. Blinddarm

7.1 Anhang 1-PID-Liste

Verzeichnis DE

7.2 Anhang 2 Liste der Daten zur Leistungs überwachung nach Gebrauch

1.Safety Precautions and Warnings

To prevent personal injury or damage to vehicles and/or the scan

tool, read this instruction manual first and observe the following

safety precautions at a minimum whenever working on a vehicle:

•

• Wear safety eye protection that meets ANSI standards.

• Keep clothing, hair, hands, tools, test equipment, etc. away from

all moving or hot engine parts.

• Operate the vehicle in a well ventilated work area: Exhaust gases

are poisonous.

• Put blocks in front of the drive wheels and never leave the vehicle

unattended while running tests.

• Use extreme caution when working around the ignition coil,

distributor cap, ignition wires and spark plugs. These components

create hazardous voltages when the engine is running.

• Put the transmission in PARK (for automatic transmission) or

NEUTRAL (for manual transmission) and make sure the parking

brake is engaged.

• Keep a fire extinguisher suitable for gasoline/chemical/ electrical

fires nearby.

• Don't connect or disconnect any test equipment while the ignition

is on or the engine is running.

• Keep the scan tool dry, clean, free from oil/water or grease. Use a

mild detergent on a clean cloth to clean the outside of the scan tool,

when necessary.

Always perform automotive testing in a safe environment.

2.General Information

2.1 On-Board Diagnostics(OBD)II

The first generation of On-Board Diagnostics (called OBD I) was

developedby the California Air Resources Board (CARB )and

implemented in 1988 tomonitor some of the emission control

components on vehicles.As technologyevolved and the desire to

improve the On-Board Diagnostic system increased,a new generation

of On-Board Diagnostic system was developed,This second generation

of On-Board Diagnostic regulations is called "OBD II".

The OBD II system is designed to monitor emission control systems

and key engine components by performing either continuous or

periodic tests of specific omponents and vehicle conditions.When a

problem is detected,the OBD II system turns on a warning lamp(MIL)

on the vehicle instrument panel to alert the driver typically with the

phrase"Check Engine" or "Service Engine Soon".

The system will also store important information about the detected

malfunction so the a technician can accurately find and fix the

problem,The system will give the following information:

1) Whether the Malfuncaion Indicator Lght (MIL) is commanded 'on'

or 'off';

2) Which,if any ,Diagnostic Trouble Codes (DTCs)are sored;

3) Readiness Monitor status.

2.2 Diagnostic Trouble Codes(DTCs)

OBD II Diagnostic Trouble Codes are codes that are stored by the

on-board computer diagnostic system in response to a problem found

in vehicle.These codes identify a particular problem area and are

intendedd to provide you with a guide as to where a fault might be

occurring within a vehicle.OBD II Diagnostic Trouble Codes consist

of a five-digit alphanumeric code:The first character, a letter,identifies

which control system sets the code.The other four characters,all

numbers ,provide additional information on where the DTC originated

and the operating conditions that caused it to occur,Below is an example

to illustrate the structure of the digits:

DTC Example

P 0 2 0 2

Systems

B=Body

C=Chassis

P=Powertrain

U=Network

Identifying specific

malfunctioning

section of the

systems

Code Type

Generic (SAE):

P0,P2,P34--P39

B0,B3

C0,C3

U0,U3

Manufacturer specific:

P1,P30--P33

B1,B2

C1,C2

U1,U2

Sub-systems

1=Fuel and Air Metering

2=Fuel and Air Metering

3=Ignition System or Engine Misfire

4=Auxiliary Emission Controls

5=Vehicle Speed Control and Idle

Controls

6=Computer Output Circuits

7=Transmission Controls

8=Transmission Controls

2.3 Location of the Data Link Connector (DLC)

The DLC (Data Link Connector or Diagnostic Link Connector) is the

standardized 16-cavity connector where diagnostic sacn tools interface

with the vehicle's on-board computer. The

DLC is usually located 12 inches from the

center of the instrument panel (dash),under

or around the driver's side for most

vehicles.If the Data Link Connector is not

located under the dashboard,a label should

be there indicating an alternate location. For

some Asian and European vehicles, the DLC

is located behind the ashtray, which must be removed to access the

connector. If the DLC cannot be found,refer to the vehicle's service

manual for the location.

2. 4 OBD II Readiness Monitors

An important part of a vehicle's OBD II system the Readiness Monitors.

These are indicators used to find out if all of the emissions components

have been evaluated by the OBD II system.They run periodic tests on

specific systems and components to ensure that they are performing

within allowable limits.

Currently, there are eleven OBD II Readiness Monitors (or I/M

Monitors) defined by the U.S. Environmental Protection Agency(EPA).

Not all monitors are supported by all vehicles and the exact number

of monitors in any vehicle depends on the motor vehicle manufacturer

and their emissions control strategy, Continuous Monitors- Some of

the vehicle components or systems are continuously tested by the

vehicles's OBD II system, while others are tested only under specific

vehicle operating conditions. The continuously monitored

components are listed below.

1) Misfire

2) Fuel System

3) Comprehensive Components (CCM)

Once the vehicle is running, the OBD II system is continuously

checking the above components, monitoring key engine sensors,

watching for engine misfire, and monitoring fuel demands.

Non-Continuous Monitors-Unlike the continuous monitors, many

emissions and engine system components require the vehicle to be

operated under specific conditions before the monitor is ready.

These monitors are termed non-continuous monitors and are listed

below:

1) EGR System

2) O2 Sensors

3) Catalyst

4) Evaporative System

5) O2 Sensor Heater

6) Secondary air

7) Heated Catalyst

8) A/C system

2.5 OBD II Monitor Readiness Status

OBD II systems must indicate whether or not the vehicle's Powertrain

Control Module (PCM) has completed testing on each component.

Components that have been tested will be reported as "Ready" or

"Complete", meaning they have been tested by OBD II system. The

purpose of recording readiness status is to allow inspectors to

determine if the vehicle's OBD II system has tested all the components

and/or systems.

The PCM sets a monitor to "Ready" or "Complete" after an appropriate

drive cycle has been performed. The drive cycle that enables a monitor

and sets the readiness codes to "Ready" varies for each individual

monitor. Once a monitor is set as "Ready" or "Complete",it will remain

in this state. A number of factors, including erasing of Diagnostiv

Trouble Codes(DTCs)

With a scan tool can result in Readiness Monitors being set to "Not

Ready". Since the three continuous monitors are constantly evaluating,

they will be reported as "Ready" at all times. If testing of a particular

supported non-continuous monitor has not been completed, the monitor

status will be reported as" Not Complete" or "Not Ready".

In order for the OBD monitor system to be ready, the vehicle should be

driven under a variety of normal operating conditions. These operating

conditions may include a mix of highway driving, stop-and-go city type

driving, and at least one overnight-off period. For specific informaion

on priming your vehicle's OBD monitor system,please consult your

vehicle owner's manual.

2.6 OBD II Definitions

Powertrain Control Module (PCM)—OBD II terminology for the

on-board computer that controls engine and drivetrain.

Malfunction Indicator Light (MIL)—Malfunction Indicator Light

(Service Engine Soon, Check Engine) is a term used for the light on

the instrument panel. It is to alert the driver and/or the repair

technician that there is a problem with one or more of vehicle's systems

and may cause emissions to exceed federal standards. If the MIL

illuminates with a steady light, it indicates that a problem has been

detected and the vehicle should be serviced as soon as possible. Under

certain conditions, the dashboard light will blink or fash. This indicates

a severe problem and flashing is intended to discourage vehicle

operation. The vehicle on board diagnostic system can not turn the

MIL off until the necessary repairs are completed or the condition no

longer exists.

DTC—Diagnostic Trouble Codes (DTC) are codes that identify which

section of the emission control system has malfunctioned.

Enabkubg Cruterua—Also termed Enabling Conditions. They are the

Vehicle—specific events or conditions that must occur within the engine

before the various monitors require the engine before the various

monitors will set, or run.Some monitors require the vehicle to follow

a prescribed "drive cycle" routine as parit of the enabling criteria.

Drive cycles vary among vehicles and for each monitor in any

particular vehicle.

OBD II Drive Cycle—A specific mode of vehicle operation that

provides conditions required to set all the applicable readiness

monitors in the vehicle to the "ready" cibdutuib. The purpose of

completing an OBD II drive cycle is to force the vehicle to run its on

board diagnostics .Some form of a drive cycle needs to be performed

after DTCs have been erased from the PCM's memory. Running

through a vehicle's complete drive cycle will "set" the readiness

monitors so that future faults can be detected. Drive cycles vary

deoending on the vehicle and the monitor that needs to be reset . For

vehicle specfic drive cycle,consult the vehicle's Owner's Manu

Freeze Frame Data—When an emissions related fault occurs,OBD II

system not only sets a code but also records a snapshot of the vehicle

operating parameter to help in identifying the proble. This set of

values is referred to as Freeze Frane Data and may include:engine

parameters such as engine PRM,vehicle speed ,air flow,engine load ,

fuel pressure,fuel trim vale,engine coolants ignition timing advance,

or colosed loop status.

3. Using the Scan Tool

3.1 About NEXPEAK N X301

NEXPEAK NX301 Features the unique patented logical navigation

buttons, TFT backlit display screen and built-in speaker. The

NEXPEAK NX301 is the ultimate in ease and affordability, enabling

users to verify repairs, road test, check State, Emission Monitor Status

and solve engine systems and drive ability problems. The car diagnostic

functions of NX301 is much more reliable and completely superior to

other model, it support full OBDII 10 Modes diagnostics. Besides,

with built-in Memory chip, allows users to print out stored diagnostic

data via PC, and life-time free update makes you no more worry about

your car malfunction in the future.

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