Owner`s manual

(3) Function Selection Screen

After System selection, the Function selection menu of the

selected system appears. Select a button that you want to

perform.

In the picture on the left shows the screen appears when the

MFI system, which is a representative example, is selected.

Details of each buttons are as follows.

Note:

As available functions differ between systems, there might be

functions that will not appear when you select other system.

Check Chart For Problem Symptoms --To view the Symptom Chart of Service Manual.

Diagnostic Trouble Code

--To read out or erase Diagnosis Trouble Codes from vehicle ECU.

Also, you can read out the Freeze Frame data. (refer to 4-1.)

Simulated Vehicle Speed Output --To transmit simulated vehicle speed signal into the vehicle.

Data List -- To read the RAM data inside the ECU and displays the data in digital and graphic form.

(refer to 4-2.)

Actuator Test --To control the ECU output device. (refer to 4-3.)

Drive Recorder --To record, display or analyze the ECU input / output signals which can be viewed

using Data List function. (refer to Chapter 6)

Special Function --To execute special functions specific to the selected system. For detailed

operation other than Chapter 5, please utilize each Online Help function.

OBD-II Test Mode --To read out “Monitoring test results” “Provisional DTC” and “ECU information”,

which are regarding Emission Related System, from ECU.

Readiness Test --To read out the result of Readiness Test from ECU.

Voltmeter -- To measure voltage value using M.U.T.-III. (same operation as 11-2-2)

Ohmmeter -- To measure resistance value using M.U.T.-III. (same operation as 11-2-2)

Fuel Pressure Gauge --To measure fuel pressure using a pressure gauge, and display the result on

PC screen. (Not Available in US)

Check Mode --To shorten sampling time of communication by changing the communication method

between M.U.T.-III and ECU. This function is available in Data List, Drive Recorder

and Actuator Test.

Emission Test --To test the Evaporative Emission Control System of the vehicle.

Coding -- To write the vehicle equipment specifications into ECU. (refer to Chapter 8)

SWS monitor (appears only when selecting “SWS” system) (refer to Chapter 7)

Pulse Check (appears only when selecting “SWS” system)

--To confirm existence of the signal pulse to operate remote system on SWS

communication line.

Basic Flow to Start Diagnosis

[ MFI‘s Function Selection menu ]