DIAGNOSIS MODE <VEHICLES WITH RADIO AND CD PLAYER>

Enter the diagnosis mode according to the following steps:

1.Turn the Ignition switch to the "ACC" or "ON" position and switch off the radio and CD player.

2.Press the following buttons in that order within sixty seconds from step (1).
(1) [CH1] button.
(2) Rewind button.
(3) Fast-forward button.
(4) [CH4] button.

note

When the "Power" button of the radio and CD player is pressed during the diagnosis mode, the diagnosis mode will be cancelled, thus switching off the radio and CD player. However, if the "Power" button is pressed while the hands free ECU is being updated, the update will not be cancelled.
When the "Mode change" button (FM/AM, CD) is pressed during diagnosis mode except the hands free ECU update, the diagnosis mode will be cancelled and relevant operation will be carried out.
When an invalid button is pressed during diagnosis mode except the hands free ECU update, the diagnosis mode will be cancelled, thus switching off the radio and CD player.
During the diagnosis mode, voice which is input through the microphone unit is played through a relevant loudspeaker.

3."HFM DIAG" is displayed.

Description in the illustrations

Actual display

Condition

UNLOCK

Four-digit password, which has been set by the security function, will be erased.

HFM DIAG

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.

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_

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.