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Digital OBD II Code Reader Owners Manual

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Free owners manual of Digital OBD II (OnBoard Diagnostics generation II) code readers
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Content Preview
OWNER’S
MANUAL

The Easiest
And Best Way
To Troubleshoot
1996 and
Newer OBD II
Vehicles!

E1

Table of Contents
Paragraph
Title
Page No.
YOU CAN DO IT! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii
GENERAL INFORMATION
1.1
SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . .
1-1
1.2
VEHICLE SERVICE MANUALS . . . . . . . . . . . . . . . . .
1-2
1.3
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . .
1-3
1.4
VEHICLES COVERED . . . . . . . . . . . . . . . . . . . . . . . . .
1-3
1.5
PRELIMINARY VEHICLE DIAGNOSIS
WORKSHEET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5
ABOUT DIAGNOSTIC SYSTEMS
2.1
HISTORY OF COMPUTER ENGINE CONTROLS . .
2-1
2.2
ON-BOARD DIAGNOSTICS - FIRST GENERATION
(OBD I) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3
2.3
ON-BOARD DIAGNOSTICS - SECOND
GENERATION (OBD II) . . . . . . . . . . . . . . . . . . . . . . . .
2-4
2.4
OBD II TERMINOLOGY . . . . . . . . . . . . . . . . . . . . . . . .
2-5
DIAGNOSTIC TROUBLE CODES
3.1
DIAGNOSTIC TROUBLE CODES (DTC’s) . . . . . . . . .
3-1
3.2
OBD II MONITORS . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4
3.3
OBD II REFERENCE TABLE . . . . . . . . . . . . . . . . . . .
3-12
RETRIEVING CODES
4.1
ABOUT THE CODE READER . . . . . . . . . . . . . . . . . . .
4-1
4.2
RETRIEVING DIAGNOSTIC TROUBLE
CODES (DTC’s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4
4.3
INSPECTION AND MAINTENANCE (I/M) . . . . . . . .
4-8
DTC DEFINITIONS
5.1
DIAGNOSTIC TROUBLE CODE DEFINITIONS . . . .
5-1
5.2
GENERIC CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2
5.3
MANUFACTURER SPECIFIC CODES - CHRYSLER
5-24
5.4
MANUFACTURER SPECIFIC CODES - FORD . . . . .
5-28
5.5
MANUFACTURER SPECIFIC CODES - GENERAL
MOTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-42
5.6
MANUFACTURER SPECIFIC CODES - HONDA . . .
5-53
5.7
MANUFACTURER SPECIFIC CODES - TOYOTA . .
5-55
WARRANTY AND SERVICE
6.1
LIMITED ONE YEAR WARRANTY . . . . . . . . . . . . . . .
6-1
6.2
SERVICE PROCEDURES . . . . . . . . . . . . . . . . . . . . . . .
6-1
i
OBD II
E2

You Can Do It!
1 Connect Code Reader to
Vehicle's Test Connector
Turn the ignition key to the
"On" position.
Turn the Code Reader “On”.
Press the LINK button.
The Code Reader will link to
the vehicle's computer and
retrieve any stored codes.
Displays Inspection and Main-
tenance Readiness status
2 Read Diagnostic Trouble
Codes
The codes are displayed on the
Code Reader’s LCD display
screen.
3 Pinpoint Problem Areas
alfunction
Locate fault code(s) in the
etrieving C
Definition
Fault Code Definition list.
alyst Temperature Below Threshold (Bank
tive Emission Control System M
porative Emission Control System Incorrect Purge Flow
alfunction
Evaporative Emission Control System Leak Detected
(small leak)
Evaporative Emission Control System Purge Control
Valve Circuit M
443
Evaporative Emission Control System Purge Co
Valve Circuit Open
Evaporative Emission Control System Pu
alfunction
P0444
Valve Circuit Shorted
Evaporative Emission Control Syst
P0445
Circuit M
Evaporative Emission Control
P0446
Circuit Open
447
Evaporative Emission C
cuit Shorted
tive Emi
Circu
OBD II
ii
E3

1
1.1 SAFETY PRECAUTIONS
To avoid personal injury, instrument damage and/or
damage to equipment under test; do not operate the
OBD II Code Reader before reading this manual.

This manual describes common test procedures used by
experienced service personnel and technicians. Many test
procedures require precautions to avoid accidents that can
result in personal injury, and/or vehicle or equipment damage.
Always read your vehicle’s service manual and follow it’s safety
precautions before any test or service procedure is performed.
a.
When an engine is running, it produces carbon monoxide
(a toxic and poisonous gas). To prevent serious injury or
death from carbon monoxide poisoning, operate a vehicle
ONLY in a well-ventilated area.
b.
To protect your eyes from propelled objects as well as hot
or caustic liquids, always wear approved safety eye
protection.
c.
When an engine is running, several objects rotate at a
very high rate of speed (coolant fan, pulleys, fan belt etc.).
To avoid serious injury, always be conscious of moving
parts, and keep a safe distance from all these items as
well as other potentially moving objects.
d.
Engine parts become extremely hot when the engine is
running. To prevent severe burns, avoid contact with hot
engine parts.
e.
Before starting an engine for troubleshooting, make sure
the parking brake is engaged. Put the transmission in
“park” (for automatic transmission) or “neutral” (for
manual transmission). Block the drive wheels with a
suitable blocking device.
f.
Connecting or disconnecting test equipment when the
ignition is “on” can cause a spark. This spark is
potentially damaging to the test equipment and to the
vehicle’s electronic components. Always turn the ignition
off” before connecting or disconnecting any test
equipment.
g.
To prevent damage to the on-board computer when taking
vehicle electrical measurements, always use a digital
multimeter with at least 10 Megohms of impedance.
1-1
OBD II
E4

General Information
h.
The vehicle’s battery produces highly flammable hydrogen
gas. To prevent an explosion, keep all sparks, high
temperature items or open flames away from the battery.
i.
Don't wear loose clothing or jewelry when working on an
engine. Loose clothing can get caught on the fan, pulleys,
belts, etc. Jewelry is highly conductive, and can cause a
severe burn if it makes contact between a power source
and ground.
1.2 VEHICLE SERVICE MANUALS
It is recommended that you consult the manufacturer’s service
manual for your vehicle before any test or repair procedures
are performed.
Contact your local car dealership, auto parts store or bookstore
for availability of these manuals. The following companies
publish valuable repair manuals:
s
Haynes Publications
861 Lawrence Drive
Newbury Park, California 91320
Phone: CA 800-442-9637
s
Mitchell International
14145 Danielson Street
Poway, California 92064
Phone: 888-724-6742
s
Motor Publications
5600 Crooks Road, Suite 200
Troy, Michigan 48098
Phone: 800-426-6867
FACTORY SOURCES
Ford, GM, Chrysler, Honda, Isuzu
Hyundai and Subaru Service Manuals
s
Helm Inc.
14310 Hamilton Avenue
Highland Park, Michigan 48203
Phone: 800-782-4356
OBD II
1-2
E5

1
1.3 GENERAL INFORMATION
This Code Reader and manual are designed for use both by
consumers with little or no experience in retrieving codes, or by
experienced technicians desiring a more in-depth explanation
of OBD II system basics.
If you are having problems with your vehicle and only want to
know if any Diagnostic Trouble Codes are present in the vehicle’s
computer system, go directly to paragraph 4.2 and follow the
simple directions to retrieve the codes. The codes retrieved, and
their definitions, will give you valuable information and a
starting point from which to proceed to the next step.
Once the codes have been retrieved, you can choose to:
• Take your vehicle to an Automotive Service Center
for repair: Take your vehicle, a copy of the completed
Preliminary Vehicle Diagnosis Worksheet (see page 1-5)
and codes retrieved to your technician for evaluation. This
will demonstrate to your technician that you are an
informed motorist and will also assist him in pinpointing
the location of the problem.
• Attempt to fix the problem yourself: If you choose to
fix the problem yourself, read and follow all of the
manual’s recommendations and procedures.
1.4 VEHICLES COVERED
The 3100 OBD II Code Reader is designed to work on all
OBD II compliant vehicles. All 1996 and newer vehicles
(cars and light trucks) sold in the United States are
OBD II compliant.
NOTE: Federal law requires that all 1996 and newer cars
and light trucks sold in the United States must be OBD II
compliant; this includes all Domestic, Asian and
European vehicles.

Some 1994 and 1995 vehicles are OBD II compliant. To
find out if a 1994 or 1995 vehicle is OBD II compliant,
check the following:
1.
The Vehicle Emissions Control Information (VECI)
Label.
This label is located under the hood or by the
radiator of most vehicles. If the vehicle is OBD II
compliant, the label will state “OBD II Certified”.
1-3
OBD II
E6

General Information
VEHICLE EMISSION CONTROL INFORMATION
ENGINE FAMILY EFN2.6YBT2BA
OBD II
DISPLACEMENT 2.6L
CERTIFIED
VEHICLE
THIS VEHICLE CONFORMS TO U.S. EPA AND STATE
MANUFACTURER
OF CALIFORNIA REGULATIONS APPLICABLE TO
1999 MODEL YEAR NEW TLEV PASSENGER CARS.
OBD II
REFER TO SERVICE MANUAL FOR ADDITIONAL INFORMATION
CERTIFIED
TUNE-UP CONDITIONS: NORMAL OPERATING ENGINE TEMPERATURE,
ACCESSORIES OFF, COOLING FAN OFF, TRANSMISSION IN NEUTRAL
EXHAUST EMISSIONS STANDARDS STANDARD CATEGORY
CERTIFICATION
TLEV
IN-USE
TLEV INTERMEDIATE
SPARK PLUG
TYPE NGK BPRE-11
CATALYST
GAP: 1.1MM
2.
Government Regulations require
that all OBD II compliant vehicles
1 2 3 4 5 6 7 8
must have a “common” sixteen-pin
9 10111213141516
Data Link Connector (DLC).
NOTE: Some 1994 and 1995 vehicles have 16-pin connectors but
are not OBD II compliant, only the ones where the Vehicle
Emissions Control Label states that, they are “OBD II Certified”.

1.4.1 Data Link Connector (DLC) Location
The sixteen-pin DLC is
usually located under the
instrument panel (dash),
within 12 inches (300 mm)
of center of the panel, on
the drivers side of most
vehicles. It should be easily
accessible and visible from
NEAR
BEHIND
a kneeling position outside
CENTER
ASHTRAY
OF DASH
the vehicle with the door
LEFT CORNER
OF DASH
open.
NOTE: On some Asian and European vehicles the DLC is
located behind the “ashtray” (the ashtray must be removed to
access it) or on the far left corner of the dash. If the DLC cannot
be located, consult the vehicle’s service manual for the location.

OBD II
1-4
E7

1
1.5 PRELIMINARY VEHICLE DIAGNOSIS WORKSHEET
The purpose of this form is to help you gather preliminary information
on your vehicle before you retrieve codes. By having a complete
account of your vehicle's current problem(s), you will be able to
systematically pinpoint the problem(s) by comparing your answers to
the fault codes you retrieve. You can also provide this information to
your mechanic to assist in diagnosis and help avoid costly and
unnecessary repairs. It is important for you to complete this form to help
you and/or your mechanic have a clear understanding of your vehicle's
problems.
NAME:
DATE:
VIN*:
YEAR:
MAKE:
MODEL:
ENGINE SIZE:
VEHICLE MILEAGE:
*VIN: Vehicle Identification Number, found at the base of the
windshield on a metallic plate, or at the driver door latch area (consult
your vehicle owner's manual for location).
TRANSMISSION:
u Automatic
u Manual
Please check all applicable items in each category.
DESCRIBE THE PROBLEM:
1-5
OBD II
E8

General Information
WHEN DID YOU FIRST NOTICE THE PROBLEM:
u Just Started
u Started Last Week
u Started Last Month
u Other:
LIST ANY REPAIRS DONE IN THE PAST SIX MONTHS:
PROBLEMS STARTING
u No symptoms
u Cranks, but will not start
u Will not crank
u Starts, but takes a long time
ENGINE QUITS OR STALLS
u No symptoms
u Right after vehicle comes to a stop
u Right after starting
u While idling
u When shifting into gear
u During acceleration
u During steady-speed driving
u When parking
IDLING CONDITIONS
u No symptoms
u Is sometimes too fast or too slow
u Is too slow at all times
u Is rough or uneven
u Is too fast
u Fluctuates up and down
RUNNING CONDITIONS
u No symptoms
u Backfires
u Runs rough
u Misfires or cuts out
u Lacks power
u Engine knocks, pings or rattles
u Bucks and jerks
u Surges
u Poor fuel economy
u Dieseling or run-on
u Hesitates or stumbles on
accelerations
OBD II
1-6
E9

1
AUTOMATIC TRANSMISSION PROBLEMS (if applicable)
u No symptoms
u Vehicle does not move when in
u Shifts too early or too late
gear
u Changes gear incorrectly
u Jerks or bucks
PROBLEM OCCURS
u Morning
u Afternoon
u Anytime
ENGINE TEMPERATURE WHEN PROBLEM OCCURS
u Cold
u Warm
u Hot
DRIVING CONDITIONS WHEN PROBLEM OCCURS
u Short - less than 2 miles
u With headlights on
u 2 ~ 10 miles
u During acceleration
u Long - more than 10 miles
u Mostly driving downhill
u Stop and go
u Mostly driving uphill
u While turning
u Mostly driving level
u While braking
u Mostly driving curvy roads
u At gear engagement
u Mostly driving rough roads
u With A/C operating
DRIVING HABITS
u Mostly city driving
u Drive less than 10 miles per day
u Highway
u Drive 10 to 50 miles per day
u Park vehicle inside
u Drive more than 50 miles per day
u Park vehicle outside
GASOLINE USED
u 87 Octane
u 91 Octane
u 89 Octane
u More than 91 Octane
WEATHER CONDITIONS WHEN PROBLEM OCCURS
u 32 ~ 55° F (0 ~ 13° C)
u Above 55° F (13° C)
u Below freezing (32° F / 0° C)
CHECK ENGINE LIGHT / DASH WARNING LIGHT
u Sometimes ON
u Always ON
u Never ON
PECULIAR SMELLS
u "Hot"
u Gasoline
u Sulfur ("rotten egg")
u Burning oil
u Burning rubber
u Electrical
STRANGE NOISES
u Rattle
u Squeak
u Knock
u Other
1-7
OBD II
E10

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