Mitsubishi Motors Service Manual

2018 / ECLIPSE CROSS / EC - Workshop Manual

54 -CHASSIS ELECTRICAL > 54A-CHASSIS ELECTRICAL > HANDS FREE-ECU > TROUBLESHOOTING > DIAGNOSIS MODE<VEHICLES WITH MMCS><VEHICLES WITH MMCS>

DIAGNOSIS MODE <VEHICLES WITH MMCS>

As a diagnosis mode for the hands free-ECU, version information of the hands free-ECU and diagnostic results of the hands free-ECU and the microphone unit can be displayed by the service mode of the multivision display.

HOW TO INITIATE THE SERVICE MODE

1. Press "INFO/SET" button and "SEEK TRACK >>l" button at the same time for at least 3.5 seconds.

2. The service mode will be initiated. Then "Service" screen will be displayed.

HOW TO TERMINATE THE SERVICE MODE

If the operations below are done, the service mode will be terminated.

If "Back" button is selected on "Service" screen, the service mode will terminate and then return to the previous screen.

HANDS FREE MODULE

note	While the hands free-ECU is in diagnosis mode, connection with the Bluetooth^® device is shut down. While the hands free-ECU is in diagnosis mode, the sound input to the microphone unit is output directly through the speaker.

1. Select "hands free module" on "Service" screen.

2. "Hands Free Module" screen is displayed.

SPECIFICATION OF DISPLAY ITEM

Displayed name

Detail

VOL

The volume of the sound input to the microphone unit and output through the speaker while the hands free-ECU is in diagnosis mode. (The sound volume can be changed by operating the multivision display.)

Parts No

The part number of the hands free-ECU is displayed in 8 digits.

H/W version

The hardware version information of the hands free-ECU is displayed in 2 digits.

S/W version

The software version information of the hands free-ECU is displayed in 7 digits.

HFM Self Check

The hands free-ECU state is displayed.

"OK": Normal (There is no abnormality in the hands free-ECU.)

"NG": Abnormal (The hands free-ECU may have a problem.)

note	If "NG" is displayed, turn the ignition switch to the "OFF" position once. Then, turn the ignition switch to the "ON" position, and enter into the diagnosis mode. When the HFM Self Check display is NG again, the hands free-ECU is determined to be defective.

HFM MIC Check

Displays the communication condition of the hands free-ECU and the microphone unit.

"OK": Normal (There is no short circuit or open circuit in the line between the microphone unit and the hands free-ECU.)
"NG (Short)": This message is displayed when the line between the microphone unit and the hands free-ECU is shorted.
"NG (Open)": (This message is displayed when there is an open circuit in the line between the microphone unit and the hands free-ECU.)

DISPLAY BUTTON AND FUNCTION

Display button	Detail
S/W Update	Execution button for software update of the hands free-ECU (Displayed only when the update is possible.)
Error Code	Error Code screen is displayed. (This button is displayed in grey when "HFM Self Check" is "OK.")
Unlock	Forcibly unlocks the 4-digit passcode that was set by the security function. (When the ECU is not locked by passcode, the "Unlock" button is displayed in grey.)
Back	Returns to "Service" screen.

SOFTWARE UPDATE (S/W UPDATE)

The software of the hands free-ECU can be updated.

note

"S/W Update" is displayed when an USB that contains files to update the hands free-ECU is connected.
When the software update cannot continue because of improper removal of the USB during the update or of an incorrect update code, the display returns to the "Hands Free Module" screen. At this time, warning is not displayed.

1. Press "S/W Update."

2. Select "Yes." (When "No" is selected, the display returns to the "Hands Free Module" screen.)

3. Input the 4-digit code for update. ("Enter" is displayed in grey until the 4-digit code is input.)

4. Update starts if the 4-digit code is normal.

note	When the input code is normal, the speaker will not output the sound input to the microphone unit until the display returns to the "Hands Free Module" screen. When the data rewriting operation is failed, the error screen is displayed.

5. The "Reboot" screen is displayed when the update is completed successfully.

6. After the hands free-ECU is rebooted, the "Update successfully." screen is displayed. When "OK" is selected, the display returns to the "Hands Free Module" screen.

ERROR CODE

The error code is displayed to show the internal state of the ECU.

note	This code shows the internal state of the hands free-ECU. Do not determine that the ECU is defective even when an error code is displayed. Be sure to diagnose the ECU before replacing it.

1. Press "Error Code."

note	"Error Code" is displayed when the "HFM Self Check" is "NG."

2. When "Back" is selected, the display returns to the "Hands Free Module" screen.

UNLOCK

Forcibly unlocks the 4-digit passcode that was set by the security function.

note	When the ECU is not locked by passcode, the "Unlock" button is displayed in grey.

1. Press "Unlock."

2. When "Yes" is selected, "Lock mode canceled" will be displayed and the passcode lock will be unlocked.

note	When "No" is selected, the display returns to the "Hands Free Module" screen.

3. The display returns to the "Hands Free Module" screen after 4 seconds.