| UNLOCK | UNLOCK | Four-digit password, which has been set by the security function, will be erased. |
| HFM DIAG TOP | HFM DIAG TOP | Displayed when the diagnosis mode is being entered. |
| Result of microphone check | MIC Short | Displayed when the line between the microphone and the hands free-ECU is short-circuited. |
| MIC Open | Displayed when the line between the microphone and the hands free-ECU is open-circuited. |
| MIC OK | Normal status (the line between the microphone and the hands free-ECU is not open/short-circuited) |
| Part number | PN XXXXXXXX | Eight-digit part number is displayed. |
| H/W Ver. | H/W XX | Two-digit hardware version is displayed. |
| S/W Ver. | S/W XXXXXXX | Seven-digit software version is displayed. |
| Self-check result | HFM OK | Displayed when the hands free-ECU is not defective. |
| HFM Error | Displayed when the hands free-ECU is suspected to be defective.| note | Turn the ignition switch to the "OFF" position once when "ERROR" is displayed. Enter the diagnosis mode by turning the ignition switch to the "ON" position again. If the self-check result shows "ERROR" again, the hands free-ECU is determined to be defective. |
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| NO FILE | NO file | A USB device stores no data. |
| HFM UPDATE | HFM Update | Displayed when the hands free-ECU update file is found, at the transition to the hands free-ECU update mode, in the USB memory that is connected to the USB adapter. |
| CODE_ | CODE_ | Input four-digit code for update. Use the "CH" button when a code is input. |
| CODE XXXX | Code XXXX | XXXX after Code shows the numbers from 1 to 6, corresponding to the buttons "CH1" to "CH6". |
| CODE WRONG | Code wrong | The code, which has been input, is wrong. |
| UPDATING XX% | Updating XX% | Displayed when updating is carried out. |
| UPDATING COMPLETE | Update complete | The updating mode is complete. |
| UPDATE FAIL | Update fail | Displayed when the update of the hands free-ECU fails. |