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MAHA PTI Tool
Diagnosis Adapter for Automotive Test Engineering
Original Operating Instructions
BAZ72501-en
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1.1 General Information ............................................................................................................................. 3
4.1 XDS not Found .................................................................................................................................. 14
4.2 XDS Version Incorrect ....................................................................................................................... 14
4.3 MAHA PTI Tool not Found (during Setup) .......................................................................................... 14
4.4 No Communication with Web Service ............................................................................................... 15
4.5 No Communication with PTI/OBD Module ........................................................................................ 15
4.6 No Communication with VCI ............................................................................................................. 15
5.3 Spare Parts ....................................................................................................................................... 16
5.4 Replacing the Battery ........................................................................................................................ 16
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The MAHA PTI Tool and EUROSYSTEM software make it possible to diagnose
control devices on motor vehicles (buses, HGVs, vans, cars and motorbikes).
Communication with the PC is wireless via Bluetooth or via USB cable.
Female USB Mini-B connector (covered)
Battery cover
Female USB connector cover
Blue LED
Green/red/yellow LED
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G
H
LED in male OBD connector
Male OBD connector
LED button
F
E
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Power supply
Nominal voltage +12 VDC via female OBD connector
Voltage range +8…+36 VDC, max. 3 W
LED Battery CR2032 lithium battery, 3 V
Temperature
Operating temperature 0 °C…+40 °C
Transport temperature -20 °C…+60 °C
Humidity 10...90 % (non condensing)
Housing
Weight approx. 120 g
Dimensions (L x W x H) 121.5 x 50 x 25 mm
Interfaces
Personal Computer (PC) Female USB 1.1 Mini-B connector
Vehicle Male OBD connector (16 pin)
Supported vehicle protocols OBD-compliant and manufacturer-specific protocols
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Female USB connector
Cover
Blue LED
Green/red/yellow LED
LED button
USB cable
Vehicle female OBD connector
Extension cable (optional)
LED in male OBD connector
Male OBD connector
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BAZ72501-en
Bluetooth stick
PC
5
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I
B
D
H
A
C
G
F
L
M
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K
J
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6
2.2
Connecting the Device
2.3
Display
C
D
Connection to PC (Bluetooth/USB) established, data
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1 Connect the MAHA PTI Tool male OBD connector (G) and the vehicle female
OBD connector (J). The blue LED (C) lights up.
Pressing the button (H) causes an LED in the male OBD connector to light up.
The MAHA PTI tool can therefore easily adapt to dark locations.
2 Establish Bluetooth connection with the PC. Refer to the "Operation" section.
Alternatively, you can connect the MAHA PTI Tool to the PC using a USB cable
(I). To do this, open the cover (B) and connect the USB cable to the female
USB connector (A).
If there is a connection to the PC, the green/red/yellow LED (D) displays a
Device not powered (female OBD connector in the
vehicle)
Device is powered (female OBD connector in the
vehicle)
Solid green light Connection to PC (Bluetooth/USB) established
Flickering green
light
3 x flashing red
light; 3 x sensor
beeps
Flickering orange
light
1 x flashing green
light and 2 x
flashing red light
being transferred
Device is powered, but no connection to PC for
more than 20 secs ("loss protection")
Updating firmware: Please wait
Failed to update firmware or no firmware loaded:
Repeat update
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Firmware cannot be updated via Bluetooth; only with a USB cable.
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7
3
Operation
3.1
General Requirements
3.2
Establishing a Bluetooth Connection to EUROSYSTEM 7.50
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• Manufacturer’s diagnosis: EUROSYSTEM software v7.50.062 or higher
• OBD: MAHA Emission Software v7.51.008 or higher
• USB or Bluetooth interface
• MAHA PTI Tool with licence number (activation key)
• .Net Framework 4.0, Visual C++ 2012 Libraries (installed automatically)
1 Start EUROSYSTEM.
2 Plug the MAHA PTI Tool into the vehicle and turn the ignition.
3 Establish the Bluetooth connection under System > Settings > PTI Tool.
4 <F6> Device scan.
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3.3
Establishing a Bluetooth Connection to MAHA Emission Software 7.51
5 If the PTI MAHA Tool is detected:
a) Enter the licence number (activation key).
b) Select the MAHA PTI Tool for the corresponding rows using the "Enabled"
button (this will also transfer the licence number).
c) Save the settings using <F5>.
1 Start MES.
2 Plug the MAHA PTI Tool into the vehicle and turn the ignition.
3 Select Settings > Settings Emission testers (F) > PTI Tool.
BAZ72501-en
9
3.4
Setting the Language
4 <F6> Device scan.
5 If the PTI MAHA Tool is detected, save the settings using <F8>.
6 Enable PTI OBD, select active device as required and save the settings using
<F8>.
The MAHA PTI Tool uses the same language as set in EUROSYSTEM / MES.
The current languages offered are German, English, French, Italian and Spanish.
If the desired language is not available, the MAHA PTI Tool is set to English.
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3.5
Manufacturer’s Diagnosis: Test Procedure (EUROSYSTEM 7.50)
1 You can start the vehicle diagnosis under Test procedure > PTI Tool.
2 After selecting the manufacturer, series and model you can:
a) start the AutoScan using <F5>.
b) display a picture of the diagnostic interface (if available) using <F6>.
3 After a successful AutoScan you can:
a) save the measurement using <F5>.
b) start a new measurement using <F8>. This will discard previous
measurements.
c) start a printout of the test results using <F12>.
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11
3.6
OBD Diagnosis (MES 7.51)
1 In the main menu, choose button <3> OBD.
2 If the button is not visible, test procedure softdip No. 6 must be enabled
(Service technician menu > Softdips Procedures).
3 In the OBD main menu, choose <2> OBD diagnosis.
4 You can start OBD communication using <S> Start communication.
BAZ72501-en
12
E
L
O
R
3
4
9
5 If more than one device has been configured, choose the active PTI Tool, then
< Continue>.
6 After a successful communication setup you can perform the following
diagnostics:
End communication
RPM, Temperature
Diagram O2 sensor voltage: oscilloscope for RPM and O2 sensor
voltage/current
Control loop test: lambda probe diagnosis
Read error memory: read out DTC und readiness codes
Erase error memory
Vehicle information: can be used to read/print out all available OBD
information (VIN, ECUS, OBD standards, MIL data, DTC data, calibration ID,
CVN, IPT, …)
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13
3.7
OBD in the Test Procedure (MES 7.51)
3.8
Exporting Measurements
The MAHA PTI Tool can be used for emission tests on motor vehicles (OBD rpm,
temperature, readiness codes and error memory).
To export the measurements as an Excel CSV file:
1 Select a desired time period under Administration > PTI Tool Export.
2 Start the export by pressing <Continue>.
3 Select the destination folder and file name to save the export files.
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XDS (PTI Webservice) is normally
installed from the installation CD to
C:\Programs(x86)\MAHA\Eurosystem\P
TI-Tool.
If the XDS program is not found, repeat
the installation or install XDS manually
and configure using <F2> Search
program.
This error can occur if EUROSYSTEM /
MES has been updated, but not the
corresponding version of XDS.
Repeat the latest installation or
install/configure the corresponding XDS
version.
1 Check that the Bluetooth interface of the PC is on.
2 Check that the MAHA PTI Tool is properly connected to the OBD plug.
3 Check that the vehicle ignition is on. Check the power supply from the vehicle
to the MAHA PTI Tool (LEDs on).
4 Check if the Bluetooth adapter is supported and operates correctly. Check
whether the MAHA PTI Tool is found in the Windows-Bluetooth environment (if
so, do not connect in the Windows environment).
5 The maximum distance between PC and MAHA PTI Tool should not exceed
5 meters.
6 Check that the correct MAHA PTI Tool has been selected.
7 Check that the XDS software (xds.exe) is not blocked by the firewall (TCP ports
8080 and 8081).
8 Check that the correct XDS version is installed.
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4.4
No Communication with Web Service
4.5
No Communication with PTI/OBD Module
4.6
No Communication with VCI
IMPORTANT
1 Check that the XDS software
(xds.exe) is not blocked by the
firewall (TCP ports 8080 and 8081).
2 Check that the correct XDS version is
installed.
See section: "MAHA PTI Tool not Found (during Setup)".
1 Start the Windows Device Manager.
2 Remove all „standard serial to Bluetooth connections“ while the USB adapter is
plugged in.
3 Shut down the PC, remove the USB adapter, restart the PC.
4 Plug in the USB adapter. After system message „new hardware found“ the
adapter can be used.
If the USB adapter is disconnected while the PC is running and later reconnected
to the same port, its function is no longer available. In this case, steps 1…4 must
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Make sure that the contacts of the female USB connector and the male OBD
connector are not dirty or damaged.
Clean the housing, the female USB connector and the male OBD connector as
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required using mild detergent.
• Pay attention to the display elements and sensor, see "Initial Operation >
Display".
• Make sure that the MAHA PTI Tool has been correctly commissioned.
• Make sure that the EUROSYSTEM software has been started up correctly.
• Check that there is a proper connection between the vehicle, the
MAHA PTI Tool and the PC.
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equipment manufacturer.
1 Loosen the screws (N) and remove the cover (E).
2 Replace the battery (O). Note the polarity! The positive pole must be pointing
outwards/upwards as depicted.
3 Replace the cover and tighten the screws.
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N
E
O
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Batteries should not be disposed of in ordinary household garbage. As consumer
you are obliged by law to properly dispose of used batteries. These can be
dropped off at public collection stations in your community and everywhere where
If you want to dispose of the equipment, please contact your MAHA dealer or the
following address, indicating equipment type, date of purchase and serial number:
MAHA Maschinenbau Haldenwang GmbH & Co. KG
Hoyen 20
87490 Haldenwang
Germany
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Email: altgeraete@maha.de
Alternatively, you may take the equipment to a specialised waste management
plant to ensure that all components and operating liquids are properly disposed
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herewith declares as a manufacturer its sole responsibility to ensure that the
product named hereafter meets the safety and health regulations both in design
and construction required by the EC directives stated below.
This declaration becomes void if any change is made to the product that was not
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discussed and approved by named company beforehand.
Legal notice based on ISO 16016:
The reproduction, distribution and utilization of this document as well as the communication of its
contents to others without explicit authorization is prohibited. Offenders will be held liable for the
payment of damages. All rights reserved in the event of the grant of a patent, utility model or
design.
The contents of this edition have been checked with great care. However, errors cannot be fully
excluded. Subject to technical change without notice.