Actron ABS BrakeScan CP9449 User manual

ABS BrakeScan™
User Manual
CP9449

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Section 1 – Safety Precautions
Foryoursafety,readthismanualthoroughlybeforeoperatingtheTool.Always
refer to and follow safety messages and test procedures provided by the
manufacturer of the vehicle or equipment being tested.
The safety messages presented below and throughout this user’s manual are
reminders to the operator to exercise care when using this test instrument.
Read All Instructions
Read, understand and follow all safety messages and instructions in this
manual and on the test equipment. Safety messages in this section of the
manual contain a signal word with a three-part message and, in some
instances, an icon.
Safety Messages
Safety messages are provided to help prevent personal injury and equipment
damage.Allsafetymessages areintroduced bya signalword.The signal word
indicates the level of the hazard in a situation. The types of safety messages
are:
Type Styles Used
Safety messages contain three different type styles.
• Normal type states the hazard.
•Bold type states how to avoid the hazard.
•Italic type states the possible consequences of not avoiding the hazard.
Indicates a possible hazardous situation which, if
not avoided, will result in death or serious injury to
operator or bystanders.
Indicates a possible hazardous situation which, if
not avoided, could result in death or serious injury
to operator or bystanders.
Indicates a possible hazardous situation which, if
not avoided, may result in moderate or minor injury
to operator or bystanders.
Indicates a condition which, if not avoided, may
result in damage to test equipment or vehicle.
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DANGER
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CAUTION
IMPORTANT
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DANGER
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DANGER
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WARNING

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Safety Precautions
1 – 2 ••••••••••••••••••••••••••••••••••••••••••••••••••••••••
Icons Used
An icon, when present, gives a graphical description of a potential hazard.
Example:
Engine systems can malfunction expelling fuel, oil vapors, hot
steam, hot toxic exhaust gases, acid, refrigerant and other
debris.
Safety goggles and protective gloves must be worn by
the operator and any bystanders. Even if everyday eye-
glasses have impact resistant lenses, they are NOT safety
glasses.
Engine systems that malfunction can cause injury.
Important Safety Messages
Risk of electric shock.
•Do not exceed voltage limits between inputs indicated
in the Specifications.
•Use extreme caution when working with circuits that
have voltage greater than 60 volts DC or 24 volts AC.
Electric shock can cause injury.
Risk of explosion.
•Safety goggles and protective clothing must be worn
by the operator and any bystanders.
- Even if everyday glasses have impact resistant lenses,
they are NOT safety glasses, and may not provide ade-
quate protection.
•Do not use this Tool in environments where explosive
vapors may collect. These areas include:
-below-ground pits.
- confined areas.
- areas that are less than 18 inches above floor.
•If used indoors, use the Tool in locations with mechan-
ical ventilation providing at least 4 air changes per
hour.
!
WARNING

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Safety Precautions
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• Flammable fuel and vapors can ignite.
• Do not smoke, strike a match, or cause a spark in the
vicinity of the battery. Battery gases can ignite.
• Avoid making an accidental connection between the
battery terminals. Do not place anything on the battery.
• When removing battery cables, remove the ground
cable first.
• Avoid sparks when connecting or disconnecting
power leads to the battery.
• Make sure ignition is off, headlights and other acces-
sories are off and vehicle doors are closed before dis-
connecting the battery cables.
- This also helps prevent damage to on-board computer
systems.
• Always disconnect the battery ground cable before
servicing electrical system components.
Explosion can cause injury.
Risk of poisoning.
• If used indoors, use the Tool in locations with mechan-
ical ventilation providing at least 4 air changes per
hour. Engine exhaust contains odorless gas which can
be lethal.
• Route the exhaust outside while testing with the
engine running.
Poisoning can result in death or serious injury.
Battery acid is a highly corrosive sulfuric acid.
• Safety goggles and protective gloves must be worn by
the operator and any bystanders.
- Even if your everyday glasses have impact resistant
lenses, they are NOT safety glasses, and may not pro-
vide adequate protection.
• Make sure someone can hear you or is close enough
to provide aid when working near a battery.
• Have plenty of fresh water nearby.
!
WARNING
!
WARNING

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Safety Precautions
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- If battery acid contacts skin, clothing, or eyes, flush
exposed area with water for 10 minutes. Seek medical
help.
• Do not touch eyes while working near battery.
Battery acid can burn eyes and skin.
Risk of fire.
• Safety goggles and protective clothing must be worn
by the operator and any bystanders.
- Even if your everyday glasses have impact resistant
lenses, they are NOT safety glasses, and may not pro-
vide adequate protection.
• Do not position your head directly in front of or over
the throttle body.
• Do not pour gasoline down the throttle body when
cranking or running the engine, when working with
fuel delivery systems or any open fuel line.
- Engine backfire can occur when the air cleaner is out of
position.
• Do not use fuel injector cleaning solvents when per-
forming diagnostic testing.
• Keep cigarettes, sparks, open flame and other sources
of ignition away from vehicle.
• Keep a dry chemical (Class B) fire extinguisher rated
for gasoline, chemical and electrical fires in work area.
Fire can cause death or serious injury.
Risk of flying particles.
• Safety goggles must be worn by the operator and any
bystanders while using electrical equipment.
- Electrical equipment or rotating engine parts can cause
flying particles.
- Even if your everyday glasses have impact resistant
lenses, they are NOT safety glasses, and may not pro-
vide adequate protection.
Flying particles can cause eye injury.

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Safety Precautions
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Risk of burns.
•Batteries can produce a short-circuit current
high enough to weld jewelry to metal.
-Remove jewelry such as rings, bracelets and watches
before working near batteries.
Short circuits can cause injury.
Risk of burns.
• Do not remove radiator cap unless engine is cold.
- Pressurized engine coolant may be hot.
• Do not touch hot exhaust systems, manifolds,
engines, radiators, sample probe.
• Wear insulated gloves when handling hot engine com-
ponents.
• Tester leads can become hot after extended testing in
close proximity to manifolds.
Hot components can cause injury.
Risk of expelling fuel, oil vapors, hot steam, hot toxic exhaust
gases, acid, refrigerant and other debris.
• Safety goggles and protective clothing must be worn
by the operator and any bystanders.
- Even if your everyday glasses have impact resistant
lenses, they are NOT safety glasses, and may not pro-
vide adequate protection.
• Engine systems can malfunction, expelling fuel, oil
vapors, hot steam, hot toxic exhaust gases, acid,
refrigerant and other debris.
Fuel, oil vapors, hot steam, hot toxic exhaust gases, acid,
refrigerant and other debris can cause serious injury.
Engine compartment contains electrical connections and hot
or moving parts.
• Keep yourself, test leads, clothing and other objects
clear of electrical connections and hot or moving
engine parts.

!
Safety Precautions
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• Do not wear watches, rings, or loose fitting clothing
when working in an engine compartment.
• Do not place tools or test equipment on fenders or
other places in engine compartment.
• Barriers are recommended to help identify danger
zones in the test area.
• Prevent personnel from walking through test area.
Contacting electrical connections and hot or moving parts can
cause injury.
Risk of injury.
• Use the Tool only as described in the user’s manual.
• Use only manufacturer’s recommended attachments.
• Do not operate the Tool with damaged cables.
• Do not operate the Tool if it has been dropped or dam-
aged, until examined by a qualified service representa-
tive.
Operation of the Tool by anyone other than qualified personnel
may result in injury.
Risk of unexpected vehicle movement.
• Block drive wheels before performing a test with the
engine running.
• Unless instructed otherwise:
- Set parking brake
- Put gear selector in neutral for manual transmissions
- Put gear selector in park for automatic transmissions
- Disconnect release mechanism on the automatic park-
ing brake release for testing and reconnect when testing
is completed.
• Do not leave a running engine unattended.
A moving vehicle can cause injury.
PRNDL2
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CAUTION

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Safety Precautions
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Risk of equipment or circuit damage.
• Unless specifically directed by manufacturer, make
sure ignition is off before connecting or disconnect-
ing connectors or any vehicle electrical terminals.
• Do not create a short between battery terminals with a
jumper wire or tools.
Improper equipment use can cause equipment or circuit dam-
age.
Misdiagnosis may lead to incorrect or improper repair and/or
adjustment.
• Do not rely on erratic, questionable, or obviously erro-
neous test information or results.
-If test information or results are erratic, question-
able, or obviously erroneous, make sure all con-
nections and data entry information are correct
and test procedures were performed correctly.
-If test information or results are still suspicious, do
not use them for diagnosis.
Improper repair and/or adjustment may cause vehicle or
equipment damage or unsafe operation.
Some vehicles are equipped with air bags.
• Follow service manual warnings when working around
air bag components or wiring.
- If service manual instructions are not followed, an air
bag may deploy unexpectedly, resulting in injury.
- Note an air bag can still deploy several minutes after
ignition key is off (or even if vehicle battery is discon-
nected) because of a special energy reserve module.
An air bag opening can cause injury.
!
CAUTION
!
CAUTION
!
DANGER

2
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Section 2 – Getting Started
Introduction
ABS BrakeScan is the first tool designed for Do-It-Yourselfers to access the
ABSdiagnosticinformation.TheToolretrievescodesfromtheABSsystemand
provides the definition of each code to help pinpoint the problem areas within
the Antilock Brake System that may have caused the ABS light to turn on.
TheToolwasdevelopedbyexpertsintheautomotiveserviceindustrytoaccess
the information stored in the ABS module.
All information, illustrations and specifications contained in this manual are
based on the latest information available from industry sources at the time of
publication. No warranty (expressed or implied) can be made for its accuracy
or completeness, nor is any responsibility assumed by the manufacturer or
anyone connected with it for loss or damages suffered through reliance on any
information contained in this manual or misuse of accompanying product. The
manufacturer reserves the right to make changes at any time to this manual or
accompanying product without obligation to notify any person or organization
of such changes.
ABS Overview
Anti-Lock Brake Systems (ABS) began being used on vehicles in the
mid-1980's. The mechanical components of the hydraulic-brake system
(master cylinder, shoes, pads, wheel cylinders, calipers, rotors, drums, and
assortedhardware)workthesameastheydidbeforeABS.Whathaschanged,
however,istheadditionofanABScomputermodule,wheelspeedsensors,and
a hydraulic control unit consisting of solenoid valves.
How ABS works
When the brake pedal is pressed with normal force, the vehicle decelerates. If,
during deceleration, the ABS computer detects wheels going at different
speeds(wheelsslipping)fromdataprovidedby the wheelspeedsensors,then
the vehicle enters antilock mode. During antilock mode, the ABS computer will
control brake fluid hydraulic pressure delivered to the wheels. The brake fluid
hydraulicpressurewillbeequaltoorlessthanthevaluedeliveredbythemaster
cylinder. By controlling pressure to the wheels, the ABS computer can prevent
onewheelfromlockingupwhileotherskeepturning.Itcanalsopreventwheels
from turning at different rates, so the vehicle should stop in a straight line.
ABS Configurations
ABS has had three different configurations for distribution of wheel speed
sensors and hydraulic lines from the hydraulic control unit since its conception:
• The earliest ABS configuration used one wheel speed sensor that monitor
the speed of both rear wheels. If the rear wheels would lock up, the ABS
computer would pulse a solenoid in the hydraulic control unit, which would
then change the brake fluid hydraulic pressure applied to the rear wheels.
• The next evolution in ABS added wheel speed sensors to both front
wheels, while still having a single wheel speed sensor in the reartomonitor

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2
Getting Started
both rear wheels. Under this system, if the left front, right front, or both rear
wheelsrotateat aspeeddifferentfrom each other, the ABS computercould
useuptothreeseparatesolenoids tocontrol brakefluidhydraulicpressure.
This allowed the ABS system to control the left front, right front, and both
rear wheels together independently.
• Today, some vehicles have one wheel speed sensor per wheel for a total of
four.Onthesevehicles, theABScomputercanindependentlycontrolbrake
fluid hydraulic pressure on every wheel.
ABS Malfunction Indicator Lamp (MIL)
The dashboard or instrument panel of your vehicle contains a light labeled
something similar to ABS, or Anti-Lock, if the vehicle is ABS equipped. Some
vehicleswillalsohavealightmarkedBRAKE.Thislightusuallyindicatesaloss
ofbrakefluidhydraulicpressureorthatthemastercylinderislowonbrakefluid.
Refertoyourowner'smanualforadescriptionofthelightsinyourvehicle.Each
time your vehicle is started, the ABS computer performs a self-test called a
DriveCycleduring the firstaccelerationto make sure the ABScomponentsare
working correctly. If the ABS computer detects a malfunction at completion of
the Drive Cycle, ABS will turn on the ABS MIL. When the ABS MIL is on, a
Diagnostic Trouble Code (DTC) is stored in the ABS computer. Once a repair
has been successfully made, the ABS computer, on most vehicles,
should turn off the ABS MIL at completion of the next Drive Cycle.
ABS Repair Tips
• Before servicing your ABS, refer to the manufacturer's recommendations.
• Torque the wheel lug nuts properly to avoid bending a rotor or drum, which
can cause inaccurate wheel speed sensor readings.
• Bleed the brake system properly.
• Always add fresh brake fluid to the master cylinder.
• Always replace tires with the manufacturer's recommended size.
• Always rotate tires as recommended by manufacturer.
• When interpreting DTCs retrieved from the vehicle, always follow the man-
ufacturer's recommendations for repair.
The Tool may not detect every malfunction. Do not take
chances with brakes, steering, or other vital functions of
your vehicle, as a serious accident could result. Always
follow vehicle manufacturer’s warnings, cautions, and
service procedures.
!
WARNING

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2
Getting Started
Data Link Connector (DLC)
The Data Link Connector (DLC) is used with the Tool to communicate with the
vehicle’s control module.
Data Link Connector Location:
❒Under dashboard on driver
side of vehicle.
❒If Data Link Connector is not
located under the dashboard,
a label should be there telling
you where it is located.
Data Link Connector (DLC) Pins
1 - Manufacturer Reserved
2 - J1850 Bus+
3 - Manufacturer Reserved
4 - Chassis Ground
5 - Signal Ground
6 - CAN High, J-2284
7 - K Line, ISO 9141-2 & ISO/DIS 14230-4
8 - Manufacturer Reserved
9 - Manufacturer Reserved
10 - J1850 Bus-
11 - Manufacturer Reserved
12 - Manufacturer Reserved
13 - Manufacturer Reserved
14 - CAN Low, J-2284
15 - L Line, ISO 9141-2 & ISO/DIS 14230-4
16 - Battery Power
1
9
8
16

3
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Section 3 – Using the Tool
The Tool
1 LCD Display - Backlit, 128 x 64 pixel display with contrast adjustment.
2/
LEFT/RIGHT and / UP/DOWN arrow keys - Moves the cursor to
select functions or to select YES or NO.
3
ENTER key - Selects displayed items.
4 BACK key - Goes to the previous screen or level.
5
USER key - allows the operator to perform Read Codes with a touch of
a key.
6
ON/OFF - turns the tool power ON or OFF.
7
DLC Port - Provides a connection for interfacing with the vehicle.
8
USB Port - Provides a USB connection to the computer.
9 Serial Number Decal - Provides serial number of the Tool.
10
Battery Compartment - Provides power to the Tool when reprogramming
fromapersonalcomputerorforoff-vehicleusesuchasreviewingofcodes,
code lookup, and system setup. (Battery not required to use tool for
reading codes.)
1
2
34
6 5
9 10
7
8

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3
Using the Tool
Specifications
✓A minimum of 8.0 V is required for most vehicle control modules to operate
properly.
Power Dissipation: 5 Watts maximum.
Dimensions: Height Width Length
7/8” 3.50” 8.25”
22.56 mm 89 mm 210 mm
Included with the Tool
Table 1: Specifications
Display: 128 x 64 pixel display with contrast adjust
Operating Temperature: 0 to 500C (32 to 1220F)
Storage Temperature: -20 to 700C (-4 to 1580F)
Internal Power: 9V Battery (not required to read codes)
External Power: 7 to 16 Volts
Table 2: Package Contents
BrakeScan Tool: Used to run diagnostics on ABS.
Vehicle Diagnostics
Cable: Provides link between the vehicle and Tool so the Tool can communicate with the vehi-
cle. Also supplies power to the Tool.
Carry Case: Place to store the Tool when not in use.

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3
Using the Tool
Display
The display has a large viewing area for posting messages, instructions, and
diagnostic information.
✓The back-lit liquid crystal display (LCD) is a 128 x 64 pixel display.
❒The following symbols may appear on the display. The chart below
describes what each symbol means:
Indicates that additional information is available on the previous
screen. Press the
UP arrow key to view the data.
Indicatesthatadditionalinformationisavailableonthenextscreen.
Press the
DOWN arrow key to view the data.
ZIndicatesthattheinternalbatteryneedsreplacingorisnotinstalled.
Replace or install the internal battery.
Indicates that the USER key is active. Press the USER key to
read codes.
Keypad
Thekeypadisusedtomove through thedifferentmenusofthe Tool.TheTool’s
software is designed for easy operation with an intuitive navigation system.
Donotusesolventssuchasalcoholtocleanthekeypad
or display. Use a mild nonabrasive detergent and a soft
cotton cloth.
Do not soak the keypad in water because the water
might find its way inside the Tool.
C0023
Left Front Whe el 
Spe ed Sensor Circuit
Malfunction

Current MIL Code
1 of 3
ABS
Z
!
CAUTION
!
CAUTION

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3
Using the Tool
Tool Power Up
Power for the Tool can come from the vehicle or an internal 9V battery. All
functions work when the Tool is connected to
the car. The Review Codes, Code Lookup,
and System Setup functions will also work on
internal battery power.
Vehicle Power
The Tool will automatically turn on when
connected to the vehicle.
1. Attach the unit to the car.
2. Connect the
Vehicle Diagnostics Cable
to the Tool.
3. Connect the end of the
Vehicle Diagnostics Cable
to the
Data Link
Connector
(
DLC
).
✓The Tool receives power from the vehicle when the
Vehicle Diagnostics
Cable
is plugged into the vehicle’s DLC
Internal Battery
The
ON/OFF key turns the Tool ON and OFF when operating on battery
power.
❒Press and hold the
ON/OFF key for at least 1 second to turn the Tool
on or off.
✓The Tool will automatically turn off after 2 minutes of inactivity when pow-
ered from the internal 9V battery.
✓When powered from the internal battery, the Tool turns off the backlighting
for the display if no key presses are made during a 1-minute period.
✓If a key is pressed prior to the Tool powering off,
the backlighting for the display will turn back on.
✓The Tool must be attached to the vehicle to per-
form diagnostic functions. The Tool disables the
diagnostic functions when powered from the
internal battery.
✓Each time the Tool is powered up, the voltage of
the internal battery is checked.
❒If the voltage is low, the Low Battery Symbol
(Z) displays on the screen.
❒Replace the battery using instructions provided in “Battery
Replacement
If the Tool will not be used for an extended period of time,
removethebatterytopreventbatteryleakage fromdamaging
the battery compartment.
!
CAUTION

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3
Using the Tool
User Key
The USER key allows you to read codes from the Diagnostic menu without
having to select Read Codes. Press the USER key to update or read codes
from the vehicle.
❒When the
USER key is active, the icon appears on the display.
❒When the appears, you can perform read codes by pressing the
USER key.
❒The
USER key remains inactive until a vehicle has been selected.
Note: The USER key is not active when the Tool is powered from the internal
9V battery.
System Setup
✓System Setupallows you to:
❒Adjust Contrast
❒Test the Display
❒Test the Keypad
❒Test the Memory
❒View Tool Information
❒Program the Tool
✓System Setupsettings are retained even
if the internal battery becomes dis-
charged or is removed.
From the Main Menu:
1. Select System Setup.
• Press the UP or DOWN arrow
key until System Setup is high-
lighted.
• Press
ENTER .
MAIN
MENU
=
===================
=
Vehicle Diagnostics
R
eview Code
s
S
ystem Setu
p

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3
Using the Tool
Adjust Display Contrast
From the System Setup menu:
1. Select Adjust Contrast.
• Press the UP or DOWN arrow
key until Adjust Contrast is high-
lighted.
• Press
ENTER .
2. Adjust Display Contrast.
• Press the UP a rrow key to
darken.
• Press the
DOWN arrow key to
lighten.
3. Save the Contrast setting.
• Press ENTER .
4. Return to System Setup.
• Press the BACK Key.
SYSTEM SETUP
A
djust Contras
t
ADJUST CONTRAST

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3
Using the Tool
Display Test
The Display Test is used to check the display.
✓The test turns on every pixel of the display.
From the System Setup menu:
1. Select Display Test.
• Press the UP or DOWN arrow
key until Display Test is high-
lighted.
2. Start Display Test.
• Press ENTER .
3. Look for Missing Pixels.
• All pixels display in solid black if
there are no concerns.
• Screen flips back and forth between
screens shown below.
4. Return to System Setup.
• Press the BACK Key.
SYSTEM SETUP
Di
s
pl
ay
T
es
t
Check for missing
spo
t
s
i
n
di
s
pl
ay
D
isplay Test
Press Back

to Quit

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3
Using the Tool
Keypad Test
The Keypad Test is used to verify that
the keys are working correctly.
From the System Setup menu:
1. Select Keypad Test.
• Press the UP or DOWN arrow
key until Keypad Test is high-
lighted.
• Press
ENTER .
2. Press a Key.
• Key name or scroll direction should
inverse colors on the display.
• The only exception is the
BACK key. When BACK key is
pressed, the System Setup
menu appears.
Note: If the System Setup menu
does not appear, then the
BACK
key is not working correctly. Contact
Technical Support for assistance. The
phonenumberforTechnicalSupportis
provided on the back side of the title
page.
SYSTEM SETUP
K
eypad Test
Keypad Test
=====================
ENTER
UP
BACK
POWER

USER
Press BACK to Quit

LEFT
RIGHT

DOWN




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3
Using the Tool
Memory Test
The Memory Test will test the tool’s internal memory. Run the Memory Test
if the Tool:
• Has trouble displaying trouble code definitions.
• Operates abnormally.
From the System Setup menu:
1. Select Memory Test.
• Press the UP or DOWN
arrow key until Memory Test is
highlighted.
• Press
ENTER .
✓The tool reports its progress on the
bottom of the display.
❒The Memory Test may take
several minutes to complete.
❒The Memory Test results display:
•If no problems were detected,
then PASS is displayed
•If RAM fails, an error message is
shown.
• If ROM fails, a checksum is
shown.
•IftheMemory Test fails, con-
tact Technical Support. The
phone number for Technical
Support is provided on the back
side of the title page.
2. Return to System Setup.
• Press BACK .
SYSTEM SETUP
=====================
Adjust Contrast
Display Test
Keypad Test
Memory Test
Tool Information
Program Mode
Memory Test
=====================
RAM: Pass
ROM: Pass
EEPROM: Pass