Why Mechanic must have MULTISCAN P1 :
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![M.U.T.-III Components Explanations
(1) Vehicle Communication Interface (V.C.I.) (MB991824)
A communication interface used to connect the vehicle
ECUs and the PC.
1. When connected with the PC
• Vehicle diagnosis
(Interactive fault diagnosis with MEDIC-II)
• SWS communication & CAN communication support
& DCC support
• Drive recorder
• ECU reprogramming
• Volt, Ohm, measurement
• Fuel pressure measurement (Not available in US)
2. When used with the V.C.I. unit (disconnected from PC)
• Drive recorder
• ECU reprogramming
• Volt, Ohm measurement
• Belt Tension measurement
(2) Memory Card
Stores data for ECU reprogramming, drive recorder, etc.
This is a standard, off-the-shelf memory card. The one
provided (with reprogramming data) is a Compact Flash
memory card (MB991853) inserted into the CF card adapter
(MB991939).
(3) M.U.T.-III Main Harness A (MB991910)
Used when connecting the V.C.I. with vehicles that have
only one 16-pin data-link-connector.
• Supports fault diagnosis and ECU updating on the
above-described vehicles
• Supports the CAN communication system
(4) M.U.T.-III Main Harness B (MB991911)
Used when connecting V.C.I. with vehicles that have a
16-pin + 12-pin or 16-pin + 13-pin data-link-connector.
-For models equipped with only 12-pin (or 12-pin + 12-pin)
data-link-connector, connect the M.U.T.-II adapter harness
(MB991498) to the end of this harness in the same as
M.U.T.-II, and power is supplied from the cigarette lighter
socket.
(5) M.U.T.-III Main Harness C (MB991914) (For US only)
Used when connecting the V.C.I. with vehicles that have the
420A engine and F4AC1 transaxle.
(6) USB Cable (MB991827)
Used to connect the PC to the V.C.I.
(7) Trigger Harness (MB991826) (Not available in US)
A harness with a trigger button used to manually insert a
trigger point for data acquisition from the drive recorder
function during data recording.
(8) Measurement Adapter (MB991825)
An adapter used to connect the V.C.I. and measurement
probe for voltmeter and ohmmeter readings.
Or used when outputting Simulated Vehicle Speed with a
vehicle whose diagnosis-connecter cannot receive vehicle
speed signal.
(9) Measurement Test Leads (MB991499)
Test leads used for voltage and / or resistance
measurement.
Test leads MB991499 acquire quality replacement test
leads from Radio Shack or similar electronics stores.
(10) I/F Cartridge
Used to implement special functions that cannot be
implemented with the V.C.I. unit alone. The following I/F
cartridges used with M.U.T.-II can be used with M.U.T.-III as
well:
• SWS I/F cartridge
• Daimler-Chrysler Corporate I/F cartridge
Recommended harness connection sequence
[1] Start the PC.
[2] While the PC is starting, connect the USB cable to the V.C.I.
[3] After the PC boots to the M.U.T.-III main screen, connect the USB cable to the PC.
Note: Disconnect the USB cable from the V.C.I. after the PC has shut down. However, if the
USB cable is disconnected during use, a warning message indicating device
disconnection such as that shown in Figure 1 appears. Close the message display by
pressing the OK button.
[4] Select the appropriate M.U.T.-III main harness. Connect it to the V.C.I.
[5] Connect the M.U.T.-III main harness to the vehicle data-link-connector. (See Figure 2)
Note: Disconnect the harnesses by performing the above steps in the reverse order.
[6] Turn the V.C.I. power switch ON and verify that the indicator lamp located in the upper right area
of the LCD screen is green.
[7] Turn the vehicle ignition switch ON, and begin the diagnostic process from the M.U.T.-III system
screen.
Note: In case the version of V.C.I. and the firmware version of V.C.I., which are mismatch, a
dialog box appears on PC screen, and the V.C.I. version upgrade process begins. This
upgrade typically only occurs once per M.U.T.-III system upgrade. Normal V.C.I.
upgrades take about 1 minute. If a version upgrade error occurs, restart the V.C.I. by
turning V.C.I. power OFF then, while pressing the Esc button, turn the V.C.I. power switch
ON and begin the diagnostic process again.
<When V.C.I. and PC are connected>
2-2-1. Fault Diagnosis
The system diagnoses faults by receiving instructions from
the PC and communicating with the vehicle-installed ECU.
When the system is connected to the PC, V.C.I. keys are
disabled.
[Start Screen]
*When the USB cable is connected to the system, the
screen illustrated on the left appears.
The screen indicates the flow of signals between the PC (P)
and V.C.I. (V) using “P V” and “P V
2-2-2. Fuel Pressure measurement (Not available in US)
The system analyzes faults by measuring fuel pressure
using the Pressure gauge set (MB991637 or MB991981).
Pressure gauge for LP: MB991655 or MB991979
for HP: MB991708 or MB992007
The V.C.I. reads the fuel pressure, which is converted into
voltage value by the pressure gauge. Then the system
converts it back to pressure value and displays it as text or
graph on PC screen. (refer to 11-2-1.)
<With the V.C.I. only>
2-2-3. Measurement Function 1: Voltmeter / Ohmmeter
The system reads the voltage/resistance value from the trigger
terminal and displays the value on the V.C.I. LCD screen.
1. Connect the measurement adapter to the V.C.I., connect the
test leads to the adapter.
2. Connect the appropriate main harness to the V.C.I., and then
to the vehicle diagnostic leak connector and turn the V.C.I.
power switch ON.
3. Press button to select Voltmeter or Ohmmeter in the
Main Menu (see the illustration on the left), and press the
(Enter) button to begin measurement
Note:
• Permits measurement of DC voltage within the range of 0-
±40V.
• Permits measurement of resistance within the range of
0-100KΩ.
• Permits displaying the value as text or graph on PC
screen by connecting the V.C.I. to PC. (refer to 11-2-2.)
]](e107_plugins/easyshop/images/ "M.U.T.-III Components Explanations
(1) Vehicle Communication Interface (V.C.I.) (MB991824)
A communication interface used to connect the vehicle
ECUs and the PC.
1. When connected with the PC
• Vehicle diagnosis
(Interactive fault diagnosis with MEDIC-II)
• SWS communication & CAN communication support
& DCC support
• Drive recorder
• ECU reprogramming
• Volt, Ohm, measurement
• Fuel pressure measurement (Not available in US)
2. When used with the V.C.I. unit (disconnected from PC)
• Drive recorder
• ECU reprogramming
• Volt, Ohm measurement
• Belt Tension measurement
(2) Memory Card
Stores data for ECU reprogramming, drive recorder, etc.
This is a standard, off-the-shelf memory card. The one
provided (with reprogramming data) is a Compact Flash
memory card (MB991853) inserted into the CF card adapter
(MB991939).
(3) M.U.T.-III Main Harness A (MB991910)
Used when connecting the V.C.I. with vehicles that have
only one 16-pin data-link-connector.
• Supports fault diagnosis and ECU updating on the
above-described vehicles
• Supports the CAN communication system
(4) M.U.T.-III Main Harness B (MB991911)
Used when connecting V.C.I. with vehicles that have a
16-pin + 12-pin or 16-pin + 13-pin data-link-connector.
-For models equipped with only 12-pin (or 12-pin + 12-pin)
data-link-connector, connect the M.U.T.-II adapter harness
(MB991498) to the end of this harness in the same as
M.U.T.-II, and power is supplied from the cigarette lighter
socket.
(5) M.U.T.-III Main Harness C (MB991914) (For US only)
Used when connecting the V.C.I. with vehicles that have the
420A engine and F4AC1 transaxle.
(6) USB Cable (MB991827)
Used to connect the PC to the V.C.I.
(7) Trigger Harness (MB991826) (Not available in US)
A harness with a trigger button used to manually insert a
trigger point for data acquisition from the drive recorder
function during data recording.
(8) Measurement Adapter (MB991825)
An adapter used to connect the V.C.I. and measurement
probe for voltmeter and ohmmeter readings.
Or used when outputting Simulated Vehicle Speed with a
vehicle whose diagnosis-connecter cannot receive vehicle
speed signal.
(9) Measurement Test Leads (MB991499)
Test leads used for voltage and / or resistance
measurement.
Test leads MB991499 acquire quality replacement test
leads from Radio Shack or similar electronics stores.
(10) I/F Cartridge
Used to implement special functions that cannot be
implemented with the V.C.I. unit alone. The following I/F
cartridges used with M.U.T.-II can be used with M.U.T.-III as
well:
• SWS I/F cartridge
• Daimler-Chrysler Corporate I/F cartridge
Recommended harness connection sequence
[1] Start the PC.
[2] While the PC is starting, connect the USB cable to the V.C.I.
[3] After the PC boots to the M.U.T.-III main screen, connect the USB cable to the PC.
Note: Disconnect the USB cable from the V.C.I. after the PC has shut down. However, if the
USB cable is disconnected during use, a warning message indicating device
disconnection such as that shown in Figure 1 appears. Close the message display by
pressing the OK button.
[4] Select the appropriate M.U.T.-III main harness. Connect it to the V.C.I.
[5] Connect the M.U.T.-III main harness to the vehicle data-link-connector. (See Figure 2)
Note: Disconnect the harnesses by performing the above steps in the reverse order.
[6] Turn the V.C.I. power switch ON and verify that the indicator lamp located in the upper right area
of the LCD screen is green.
[7] Turn the vehicle ignition switch ON, and begin the diagnostic process from the M.U.T.-III system
screen.
Note: In case the version of V.C.I. and the firmware version of V.C.I., which are mismatch, a
dialog box appears on PC screen, and the V.C.I. version upgrade process begins. This
upgrade typically only occurs once per M.U.T.-III system upgrade. Normal V.C.I.
upgrades take about 1 minute. If a version upgrade error occurs, restart the V.C.I. by
turning V.C.I. power OFF then, while pressing the Esc button, turn the V.C.I. power switch
ON and begin the diagnostic process again.
<When V.C.I. and PC are connected>
2-2-1. Fault Diagnosis
The system diagnoses faults by receiving instructions from
the PC and communicating with the vehicle-installed ECU.
When the system is connected to the PC, V.C.I. keys are
disabled.
[Start Screen]
*When the USB cable is connected to the system, the
screen illustrated on the left appears.
The screen indicates the flow of signals between the PC (P)
and V.C.I. (V) using “P V” and “P V
2-2-2. Fuel Pressure measurement (Not available in US)
The system analyzes faults by measuring fuel pressure
using the Pressure gauge set (MB991637 or MB991981).
Pressure gauge for LP: MB991655 or MB991979
for HP: MB991708 or MB992007
The V.C.I. reads the fuel pressure, which is converted into
voltage value by the pressure gauge. Then the system
converts it back to pressure value and displays it as text or
graph on PC screen. (refer to 11-2-1.)
<With the V.C.I. only>
2-2-3. Measurement Function 1: Voltmeter / Ohmmeter
The system reads the voltage/resistance value from the trigger
terminal and displays the value on the V.C.I. LCD screen.
1. Connect the measurement adapter to the V.C.I., connect the
test leads to the adapter.
2. Connect the appropriate main harness to the V.C.I., and then
to the vehicle diagnostic leak connector and turn the V.C.I.
power switch ON.
3. Press button to select Voltmeter or Ohmmeter in the
Main Menu (see the illustration on the left), and press the
(Enter) button to begin measurement
Note:
• Permits measurement of DC voltage within the range of 0-
±40V.
• Permits measurement of resistance within the range of
0-100KΩ.
• Permits displaying the value as text or graph on PC
screen by connecting the V.C.I. to PC. (refer to 11-2-2.)
]")