AU Tool BT 260 User manual

www.autooltech.com
User Manual
AUTOOL BT 260
深圳市偶然科技有限公司
Shenhua Innovation Park, Baoan, Shenzhen, China
www.autooltech.com
[email protected]
[phone] / [phone]
深圳市偶然科技有限公司
深圳市光明新区长春南路中鹏程工业园
Electric System Tester

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1. SAFETY PRECAUTIONS AND WARNINGS............................................................ 2
2. USING THE TEST TOOL ......................................................................................... 2
2.1 TOOL DESCRIPTION ............................................................................................ 2
2.2 SPECIFICATIONS ............................................................................................ ..... 3
2.3 ACCESSORIES INCLUDED .................................................................................. 3
2.4 GENERAL DESCRIPTION ......................................................................................3
2.5 POWER ...................................................................................................................3
2.6 QUICK S ELF -T EST ............................................................................................. 4
2.7 CIRCUIT BREAKER ................................................................................................4
2.8 WORK MODE ..........................................................................................................4
3. TEST APPLICATIONS................................................................................................6
3.1 VOLTAGE & POLARITY TESTING ......................................................................... 6
3.2 CONTINUITY TESTING .......................................................................................... 6
3.3 SIGNAL CIRCUIT TESTING ................................................................................... 6
3.4 ACTIVATING COMPONENTS IN YOUR H AND ..................................................... 7
3.5 TESTING T RAILER LIGHTS AND CONNECTIONS ...............................................8
3.6 ACTIVATING COMPONENTS IN T HE VEHICLE ................................................... 8
3.7 ACTIVATING COMPONENTS W /G ROUND ......................................................... 9
3.8 CHECKING FOR B AD G ROUND CONTACTS ......................................................9
3.9 FOLLOWING & LOCATING SHORT CIRCUITS ..................................................... 9
3.10 R ED /GREEN POLARITY LED ........................................................................... 10
4. TEST TOOL SPECIFICATIONS................................................................................ 10
5. TEST TOOL KNOW-HOW......................................................................................... 11
6. WARRANTY AND SERVICE..................................................................................... 11
6.1 LIMITED O NE Y EAR WARRANTY ...................................................................... 12
6.2 SERVICE PROCEDURES ..................................................................................... 12
Table of Contents
Always perform automotive testing in a safe environment.
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 tool dry, clean, free from oil/water or grease. Use a mild detergent on a clean
cloth to clean the outside of the test tool, when necessary.
When the power switch in the tool is depressed battery current/voltage is conducted
directly to the tip which may cause sparks when contacting ground or certain circuits.
Therefore the tool should NOT be used around flammable such as gasoline or its vapors.
The spark of an energized tool could ignite these vapors. Use the same caution as you
would when using an arc welder.
Safety Precautions and Warnings
To prevent personal injury or damage to vehicles and/or the test tool, read this instruction
manual first and observe the following safety precautions at a minimum whenever working
on a vehicle:
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Tool Description
① Probe Tip – Contacts the circuit or component to be tested.
② Head Lights – Illuminates dark work areas or work areas at night. .
③ Red/Green Polarity Indicator – Identifies positive, negative or contacting
a positive circuit. The GREEN Indicator lights when the Probe Tip
is contacting a negative circuit.
④ LCD Display –Indicates test results.
⑤ Circuit Breaker Reset – Resets the tool when the Circuit
Breaker is tripped。
⑥ Power Switch – Allows you to conduct a positive or negative
battery current to the tip for activating and testing the function
of electrical components.
Using the Test Tool

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⑦ Mode Button – Selects the work mode: AC voltage, DC voltage, resistance, tone.
⑧ Speaker – When the audio tone is turned on, a beep will be heard.
⑨ Auxiliary Ground Lead – Assists test as a ground lead.
⑩ Adaptor – Connects to the battery.
Display: TFT color display (160 x 128 dpi)
Operating Temperature: 0 to 60 ° C (32 to 140 F ° )
Storage Temperature: -40 to 70 ° C (-40 to 185 F ° )
External Power: 12.0 or 24.0 V power provided via vehicle battery
Dimensions: Length---126 mm (4.96”) ,Width—46.5 mm (1.83”) , Height—35 mm (1.38”)
NW: 0.105kg (0.23lb), GW: 0.726 kg(1.6lb)
Specifications
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User ’ s Manual.
Cigarette lighter adapter.
Battery hookup clips
Probe tip.
20ft. extension cable.
Well designed case.
Accessories Included
General Description
The tool is the best electrical tester for reducing diagnostic time in all 6- to 30-volt vehicle
electrical systems. After a simple hook-up of the tool to the vehicle's battery, you can:
Determine at a glance if a circuit is positive, negative, or open without having to reconnect
clips from one battery pole to another.
Test for continuity with its built-in auxiliary ground lead.
By depressing the power switch, conduct a positive or negative battery current to the
probe tip for testing the function of an electrical component without the use of jumper
wires.
Test for poor ground contacts instantly without performing voltage drop tests. The tool is
also short-circuit protected; its internal circuit breaker will trip if it becomes overloaded.
Follow and locate short circuits without wasting fuses. The tool's long cable allows you to
test along the entire length of the vehicle without constantly searching for suitable vehicle
grounds.
The tool is powered via the vehicle battery. Connect the RED battery clamp to the POSITIVE
terminal of the vehicle ’ s battery, and the BLACK clamp to the NEGATIVE terminal. When
the tool is first connected to a battery (power source), it will sound a beep and the Head
Lights will be on to illuminate the test area of the probe tip.
Power
Before you test a circuit or component, be sure your tool is in good order by doing a quick
self-test.
With the tool connected, perform a quick self-test. The power switch is a momentary rocker
switch located on the tool's body. Flanking the switch are positive and negative Markings.
Quick Self-Test
Press the Power Switch forward to activate the tip with a
positive voltage. The Red LED should light and the LCD
display will read the battery voltage. If the tone feature is
turned on, a high pitched tone will sound. Let go of the
power switch and the LED will turn off and the high tone will
cease.
Press the Power Switch rearward to activate the tip with a
negative voltage. The Green LED should light and the LCD
display will read the „ 0.0V ‟ (ground). If the tone feature is
turned on, a low pitched tone will sound. Let go of the power
switch and the LED will turn off and the low tone will cease.
Your tool is working correctly and is now ready for use.
IMPORTANT: When powering-up components, you can increase the life of power switch in
the tool if you first press the switch, then contact the tip to the component. The arcing will
take place at the tip instead of the contacts of the switch.
The tool is short-circuit protected. Its internal circuit breaker will
trip if it becomes overloaded. The circuit breaker is a valuable
test tool as well as a safety measure to protect the tool from
Overload. When circuit breaker tripped, the LCD will display as
below. All other functions of the tool are still active, which means
you can still probe a circuit and observe the voltage reading.
When the circuit breaker is tripped, the tool will NOT be able to
conduct battery current to the tip even when the power switch is
pressed. Intentionally tripping the breaker and using the tool to
probe can be considered an added precaution against
accidental pressing of the power Switch.
Circuit Breaker
There are four modes to diagnose the electrical systems, which can be accessed
by depressing the Mode Button and cycling through each one.
Work mode

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DC voltage
While the tool in this mode, contact the
probe tip to a circuit, then the LCD display
will read the DC voltage with a resolution
of 0.1 volt.
AC voltage
While the tool in this mode, contact the
probe tip to a circuit, then the LCD display
will read the Max. voltage, the Min.
voltage, frequency and duty cycle.
Resistance
While the tool in this mode, contact the probe tip to a
circuit, then the LCD display will read the resistance
between the tip and auxiliary ground lead.
Tone On/Off
While the tool in this mode, just do a quick press of
the mode button to toggle the tone on or off. While
quickly pressing (a quick press and release) the
mode button, if a short high beep is heard, this
means the audio tone is turned on. If a short low
beep is heard, the audio tone is turned off.
This function is invaluable when working in bright
areas where LED illumination alone is not sufficient.
The audio feature may be disengaged when desired,
such as for applications where the tool will be
connected to circuits for long periods of time and the
audio could become annoying.
While the tool is in DC Voltage mode, contact the
probe tip to a POSITIVE circuit. The red LED will light
and the LCD displays the voltage with a resolution of
0.1V. If the beep is turned on, a high pitched tone will
sound.
If contact the probe tip to a NEGATIVE circuit, the
green LED will light and the LCD displays the voltage
with a resolution of 0.1V. If the beep is turned on, a
low pitched tone will sound.
Voltage & Polarity Testing
Test Applications
If contact the probe tip to an OPEN circuit, neither of the LED will light.
While the tool is in Resistance mode, using the probe tip
with chassis ground or the auxiliary ground lead, continuity
can be tested on wires and components attached or
disconnected from the vehicle ’ s electrical system.
When the probe tip is contacting a good ground, the LCD
will indicate “0.0Ω ” and green LED will be on. If the tone
feature is turned on, a low pitched tone will sound.
Continuity Testing
There is also another way to prove continuity of
connections to ground or battery. Power up the connection
using the power switch. If the circuit breaker trips you know
that you have a good solid low resistance connection.
NOTE: You can use the probe tip to pierce the plastic
insulation on a wire. This means that you can test the
circuit without disconnecting anything.
In other cases, the LCD only indicates the resistance value.
If the resistance value is greater than 200kΩ , the LCD will show “0L”.
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Once you extract a DTC from the vehicle and realize that troubleshooting begins with some
kind of sensor circuit, there is a quick test you can perform to verify the code. Testing your
sensor is easy while using the tool.
For example, you suspect there is a problem with your M.A.P. Sensor circuit, then follow the
procedure involved with testing this sensor:
Signal Circuit Testing

Set the tool in AC Voltage mode, using the probe tip with
chassis ground or the auxiliary ground lead.
Connect vacuum pump to MAP sensor.
Contact the probe tip to the MAP sensor positive
terminal and observe the LCD readings which should be
a sine wave in normal condition.
Apply vacuum.
Release vacuum and observe the LCD readings.
If the LCD readings are abnormal, there is a problem with
this sensor.
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While the tool is in DC Voltage mode, by
using the probe tip in connection with the
auxiliary ground lead, components can be
activated right in your hand, thereby testing
their functions.
Connect the auxiliary ground lead to the
negative terminal or ground side of the
component being tested. Then contact the
probe tip to the positive terminal of the
component, the green LED should light,
indicating continuity through the component.
Activating Components in Your Hand
While keeping an eye on the green LED, quickly press and release the power switch forward.
If the green LED went out and the red LED came on, you may proceed with further activation.
Rock the power switch forward and hold it down to provide power to your component. With
the power switch rocked forward, power will flow from the positive lead on the battery into the
probe tip, through the tip into the component ’ s positive terminal, into the component and out
of the component, through the auxiliary ground lead and back into the tool, and back to the
vehicle battery ’ s ground.
If the green LED went off at that instant or if the circuit breaker tripped, the tool has been
overloaded. This could happen for the following reasons:
 The contact you are probing is a direct ground or negative voltage.
 The component you are testing is short-circuited.
 The component is a very high current component (i.e., starter motor).
If the circuit breaker is tripped, reset it by waiting for it to cool down (15 sec.) and then
depressing the reset button.
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While the tool in DC Voltage mode, clip the
auxiliary ground lead to the trailer ground,
probe the contacts at the jack and then apply
voltage to the probe tip. This lets you check
the function and orientation of the connector
and trailer lights.
If the circuit breaker tripped, that contact is
likely a ground. Reset the circuit breaker by
letting it cool down for 15 seconds and
depressing the reset button until it clicks into
Place.
Testing Trailer Lights and Connections
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If the circuit breaker is tripped, reset it by
waiting for it to cool down (15 sec.) and then
depressing the reset button.
WARNING: Haphazardly applying voltage to
certain circuits can cause damage to a
vehicle’s electronic components. Therefore, it
is strongly advised to use the vehicle
manufacturer’s schematic and diagnosing
procedure while testing.
Activating Components in The Vehicle
While the tool in DC Voltage mode, contact the probe tip to the positive terminal of the
component, the green LED should light, indicating continuity to ground. While observing the
green LED, quickly depress and release the power switch forward. If the green LED went out
and the red LED came on, you may proceed with further activation.
If the green LED went off at that instant or if the circuit breaker tripped, the tool has been
overloaded. This could happen for the following reasons:
The contact you are probing is a direct ground.
The component you are testing is short-circuited.
The component is a very high current component(i.e., starter motor).
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NOTE : When powering up components, you can increase the life of power switch if you first
press the switch, then contact the tip to the component. The arcing will take place at the tip
instead of the contacts of the switch.

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Activating Components w/Ground
While the tool in DC Voltage mode, contact the
probe tip to the negative terminal of the
component, the red LED should light. While
observing the red LED, quickly depress and
release the power switch rearward. If the red
LED went out and the green LED came on,
you may proceed with further activation. If the
green LED went off at that instant or if the
circuit breaker tripped, the tool has been
overloaded. This could happen for the
following reasons:
 The contact you are probing is a direct
positive voltage.
 The component you are testing is short-circuited.
 The component is a very high current
component(i.e., starter motor).
If the circuit breaker is tripped, reset it by waiting for it to cool down (15 sec.) and then
depressing the reset button.
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Probe the suspected ground wire or contact with the probe tip.
Observe the green LED. Depress the power switch forward then release. If the green LED
went out and the red LED came on, this is not a true ground..
If the circuit breaker tripped, this circuit is more than likely a good ground. Keep in mind that
high current components such as starter motors will also trip the circuit breaker.
WARNING : With this function, if you are contacting a protected circuit, a vehicle’s fuse
can be blown or tripped if you apply ground to it.
Checking for Bad Ground Contacts
Following & Locating Short Circuits
Inmost cases a short circuit will appear by a fuse or a fusible link blowing or an electrical
protection device tripping (i.e., a circuit breaker). This is the best place to begin the search.
Remove the blown fuse from the fuse box.
Use the probe tip to activate and energize each of the fuse contacts. The contact which
trips the circuit breaker is the shorted circuit. Take note of this wire ’ s identification code
or color.
Follow the wire as far as you can along the wiring harness.
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Here is an example for this application.
If you are following a short in the brake light circuit, you may know that the wire must pass
through the wiring harness at the door sill. Locate the color-coded wire in the harness and
expose it.
Probe through the insulation with the probe tip, and depress the power switch forward to
activate and energize the wire.
If the circuit breaker tripped, you have verified the shorted wire. Cut the wire and energize
each end with the probe tip. The wire end which trips the circuit breaker again is the
shorted circuit and it will lead you to the shorted area.
Follow the wire in the shorted direction and repeat this process until the short is located.
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The Red/Green Polarity LED lights up when the probe tip voltage matches the battery
voltage within ± 0.8 volts. It is added information that could be valuable to the Technician.
If the circuit you are testing is not within a 0.8 volt (plus or minus) of supply voltage, you will
see the voltage reading on the LCD but you will not hear a tone or see a red or green LED.
This tells you either you have a voltage drop in excess of 0.8 volt from battery voltage or you
are probing a circuit that has an increase of a 0.8 volt or more over battery voltage.
To determine battery voltage, simply remove the tip from the circuit and press the power
switch forward. Battery voltage will then be displayed on the LCD. The difference between
the battery voltage and what is read on the circuit is either voltage drop or voltage increase.
This allows you to determine a voltage drop without running back to check the battery. It ’ s
just another one of time saving feature the tool has.
Red/Green Polarity LED
DC voltage range : 0-65V +1 digit
Resistance range : 0 – 200 KΩ
Frequency response of tone pass through
0Hz to 10Khz.
Circuit Breaker
Rating current: 1 – 10 Amp
Testing Standard
100% current : no trip
150% current: trip in one hour
200% current: trip in 3-30 seconds.
300% current: trip in 0.5-4.0 seconds
Test Tool Specifications

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You can buy switches from your authorized tool supplier.
The tool with the Rocker Switch slots makes it easy to replace a worn switch in the field
without having to send it in for repair.
Power Switch replacement procedure:
Test Tool Know-how
Is the Power Scan Probe Tester computer and air bag safe?
The tool LED and LCD pull no more than 1 milliamp of current, therefore when using it as a
test light or multimeter it is computer and airbag safe. However, pressing the power switch is
a different story. When you press the switch forward, you are conducting full battery current
to the tip of the probe. There is a nice safety feature built into the tool. Simply connect the
extra ground lead to the tool and press the power switch forward until it trips the circuit
breaker. This will prevent power from going to the tip but still allow you to use the tool as a
multimeter. When you are away from computer components, simple press the reset button
and you are ready to power up again.
Why do I have no power at the tip when I am pressing the power switch forward but
the red LED is on?
The power switch goes through a lot. It is one of the few things that go wrong with the tool.
The switch is a consumable that needs to be replaced on occasion. We have made it real
simple to not only change it but also buy a new switch. The switch can be snapped out and
replaced in seconds.
Make sure to install the switch straight and
press until flush with casing.
Remove the worn switch with a pry tool.
Be careful when applying force.
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It is recommended when buying you get two. This will fix your tool now and give you a spare
so you w on’ t experience any down time in the future.
Warranty and Service
Limited One Year Warranty
AUTOOL warrants to its customers that this product will be free from all defects in materials
and workmanship for a period of one (1) year from the date of the original purchase, subject
to the following terms and conditions:
The sole responsibility of AUTOOL under the Warranty is limited to either the repair or, at
the option of AUTOOL, replacement of the test tool at no charge with Proof of Purchase.
The sales receipt may be used for this purpose.
This warranty does not apply to damages caused by improper use, accident, flood,
lightning,or if the product was altered or repaired by anyone other than the Manufacturer ’s
Service Center.
AUTOOL shall not be liable for any incidental or consequential damages arising from the
use, misuse, or mounting of the test tool. Some states do not allow limitations on how long
an implied warranty lasts, so the above limitations may not apply to you.
All information in this manual is based on the latest information available at the time of
publication and no warranty can be made for its accuracy or completeness. AUTOOL
reserves the right to make changes at any time without notice.
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Service Procedures
If you have any questions, please contact your local store, distributor or visit our website at
www.autooltech.com.
If it becomes necessary to return the test tool for repair, contact your local distributor for more
information.