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Audio System Diagnostic Mode
Start-Up Procedure and Diagnostic Menu
NOTE:
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The screens detail indicated may change depending on equipment or specification. |
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1. |
Turn the vehicle to the ON mode. If needed, start the engine. |
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2. |
Press the POWER (  ) button to turn off the audio unit. |
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3. |
Press and hold the preset No. 1 button, then preset No. 6 button and then the VOLUME/POWER ( ) knob. The display screen goes directly to the Manual Diag menu shown.
NOTE: Do not press preset No. 1 and No. 6 buttons simultaneously. |
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4. |
When you are in the system diagnostic mode, pressing a preset button starts the diagnosis that is assigned to that preset button. To return to the previous screen, press the RETURN button. To exit this mode, go to step 5. Once you exit this test, you must start again at step 1.
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Preset No. 1 button: Version/System |
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Preset No. 2 button: AUDIO |
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Preset No. 3 button: Display |
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Preset No. 4 button: Camera |
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Preset No. 5 button: Connection |
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Preset No. 6 button: Vehicle information | |
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5. |
To end the system diagnostic mode, press the VOLUME/POWER knob, or turn the vehicle to the OFF (LOCK) mode. |
How to Obtain the Audio Unit Serial Number
NOTE: This procedure can be done only before anti-theft mode is cancelled.
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1. |
Turn the vehicle to the ON mode. Make sure the audio unit is in the anti-theft mode. |
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2. |
Go into the System Diagnostic Mode, and select the Version/System diagnosis. |
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3. |
The screen displays an 8-digit audio unit serial number. |
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4. |
Use all 8 numbers as the serial number when using the Interactive Network (iN) to retrieve the 5-digit anti-theft code. |
Anti-Theft Temporary Cancellation
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5. |
When the preset No. 3 button is pressed, the anti-theft mode is cancelled temporarily, and the system returns to the normal audio screen automatically. |
Version/System
This diagnosis displays the current version information about each module in the audio unit, and result of the In Line Diag, and detects the hard keys.
To start the diagnosis, press the preset button to select the diagnosis number you want to check.
NOTE: Items not listed are not available in this model.
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Preset No. 1 button: Version display |
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Preset No. 3 button: Anti-theft temporary cancellation (This item is always OFF after the anti-theft mode is cancelled) |
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Preset No. 4 button: Knob check |
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Preset No. 5 button: In Line Diag |
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Preset No. 6 button: Knob illumination check |
Version Display
This screen displays for serial number of each ECU in the audio unit.
Knob Check
This diagnosis checks the audio unit hard buttons and the audio remote-HFL switch.
As each function is tested, the corresponding button name should be displayed.
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If any button of the audio remote-HFL switch* does not respond: |
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*: For vehicles with a multi-information display, only these buttons are available for the audio remote-HFL switch test:
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LEFT and RIGHT buttons which are on the 4-way knob |
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HFL buttons (PICK-UP, HANG-UP/BACK, TALK) |
In Line Diag
This diagnosis checks whether the audio unit is receiving each unit signal properly, and clear the result(s).
To start the diagnosis, press the preset button to select the diagnosis number you want to check.
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Preset No. 1 button: Result All Display |
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Preset No. 2 button: Result All Clear |
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Preset No. 3 button: Result All OK |
Result All Display
You can check the result of the In Line Diag.
The In Line Diag function runs automatically. When the diagnosis finishes, the icons turn different colors based on their test status (OK or NG).
NOTE: The STRG REMOTE and the HFT REMOTE indicates NG until the audio remote switch button* and the HFL switch button are pressed.
*: For vehicles with a multi-information display, only these buttons are available for this test: LEFT and RIGHT buttons which are on the 4-way knob.
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Icon Colors |
Description |
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Green |
The system ran a diagnosis and the results are OK. |
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Red |
Errors that require replacement of hardware or harness. |
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Yellow |
Errors that do not require hardware replacement, such as a missing optional systems (rearview camera), or the connection check is in the state which is not done. | |
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Knob Illumination Check
This diagnosis checks the dimming circuit of the audio unit buttons.
When rotating the LIST/SELECT knob, you should see the value change from 1 (max low) to 22 (max high).
AUDIO
This diagnosis checks the audio unit sound system.
To start the diagnosis, press the preset button to select the diagnosis number you want to check.
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Preset No. 1 button: Sound |
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Preset No. 2 button: FM |
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Preset No. 3 button: AM |
Sound (Speaker Check)
This diagnosis checks the audio speakers individually. The EQ (diagnosis No. 2) and the Loudness (diagnosis No. 3) are not supported in this diagnosis.
Press the preset No. 1 button to check speakers. A tone should sound from the speaker.
Each time you press the preset No. 1 button, the system checks the speakers in this order:  ?  ?  ?  ?  ?  ?  | |
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Display Message |
Vehicle Test Condition |
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Off |
Speaker check mode is OFF. |
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FL |
You should hear a tone from the driver's door speaker. |
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FR |
You should hear a tone from the front passenger's door speaker. |
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RR |
You should hear a tone from the right rear speaker. |
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RL |
You should hear a tone from the left rear speaker. |
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All |
You should hear a tone from all speakers. | |
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FM
This diagnosis checks the FM reception level in the electric field strength (dB). This level then can be used in the diagnosis of audio unit reception quality.
Reception Level Check
Preparation:
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Park the vehicle outside in a good location away from tall buildings, mountains, high-voltage power line or any other object that may interfere with reception. |
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Tune to a powerful local FM radio station then write down the radio station number. |
Tune to the FM radio station you wrote down in preparation using the SEEK/DOWN (  ) or SEEK/UP (  ) button, and note the reception level of that station. Press the preset No. 6 button to turn the AM/FM antenna power (SWD +B) off.
Note the decibel level of that station with the AM/FM antenna power off.
Press the preset No. 6 button to turn the AM/FM antenna power (SWD +B) on.
Compare your results to a known-good, (make sure it is the same year and trim level) in the same location and direction, and under the same environmental conditions.
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If the reception level is within 10 % of the known-good vehicle, no repair is needed at this time. |
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AM
This diagnostic screen checks the AM reception level in the electric field strength (dB). This level then can be used in the diagnosis of audio unit reception quality.
Reception Level Check
Preparation:
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Park the vehicle outside in a good location away from tall buildings, mountains, high-voltage power line or any other object that may interfere with reception. |
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Tune to a powerful local AM radio station then write down the radio station number. |
Tune to the AM radio station you wrote down in preparation using the SEEK/DOWN ( ) or SEEK/UP ( ) button, and note the reception level of that station. Press the preset No. 6 button to turn the AM/FM antenna power (SWD +B) off.
Note the decibel level of that station with the AM/FM antenna power off.
Press the preset No. 6 button to turn the AM/FM antenna power (SWD +B) on.
Compare your results to a known-good, (make sure it is the same year and trim level) in the same location and direction, and under the same environmental conditions.
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If the reception level is within 10 % of the known-good vehicle, no repair is needed at this time. |
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Display
These screens allow you to troubleshoot the LCD display built into the audio unit. Select the item you want to check, and follow the diagnostic instructions.
To start the diagnosis, press the preset button to select the diagnosis number you want to check. The Artwork (diagnosis No. 4) is not supported in this diagnosis.
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Preset No. 1 button: R/G/B/White color |
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Preset No. 2 button: Full gradation |
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Preset No. 3 button: 16 step gradation |
R/G/B/White Color
NOTE: Displaying an anomaly in this diagnosis screen is not necessarily a failure.
This screen verifies that the audio unit is displaying the RGB (Red, Green, and Blue) components properly. The three primary colors should all appear without distortion. The combination of all three should produce a central white section.
Full Gradation
NOTE: Displaying an anomaly in this diagnosis screen is not necessarily a failure.
This screen checks problems with contrast. You should be able to see the changes in the smooth across the scale.
16 Step Gradation
NOTE: Displaying an anomaly in this diagnosis screen is not necessarily a failure.
This screen checks problems with contrast. You should be able to see the changes from bar to bar across the scale. It is normal for the two bars on either side to appear the same.
Camera
This screen checks the rearview camera image, and adjusts the guideline.
To start the diagnosis, press the preset button to select the diagnosis number you want to check.
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Preset No. 1 button: Forced Rear Camera View |
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Preset No. 2 button: Guideline adjustment |
Forced Rear Camera View
This diagnosis displays the rearview camera image forcibly.
Each time the preset No. 1 button is pressed, the rearview image changes the view mode (Wide View, Normal View, Top Down View).
Guide Line Adjustment
This diagnostic adjusts the rearview camera image guide lines. If you need to adjust a guide line, select the point you want to adjust using the SOURCE button (ENTER button*) on the audio remote switch. To adjust the point up/down or right/left use the 4-way knob on the audio remote switch. Press the SOURCE button (ENTER button*) when the edit point is in its desired position.
*: With multi-information display
The coordinate of the guide line (A) indicates the selected point position on the screen.
If you need to reset the guide line to the factory settings, press and hold the Select button for more than 2 seconds.
After the setting is complete, press the MENU button that is on the audio panel to exit.
Connection
This diagnosis checks the connection between each component connected to the audio unit.
Without multi-information display: To diagnose the Steering remote connection, press the preset No. 6 button.
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Diagnosis Number |
Item |
Description |
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1 |
B-CAN state |
This diagnosis checks whether the audio unit is receiving B-CAN data properly.
If the B-CAN state shows NG, check for B-CAN DTCs with the HDS. If no DTCs are detected, check for continuity in the B-CAN lines between the audio unit and the gauge control module. |
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Rear camera connection |
This diagnosis indicates the last view mode (Wide, Normal, or Top Down) of the rearview camera in the normal operation. |
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5 |
MIC connection |
This diagnosis checks whether the audio unit is connecting the HFT microphone properly. |
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6* |
Steering remote connection |
This diagnosis checks whether the audio unit is connecting the audio remote-HFL switch properly. Press any audio remote-HFL switch button to check the connection. | |
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*: Without multi-information display | |
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Vehicle Information
Use this screen to confirm that the audio unit is properly receiving input signals. The displayed value changes each time according to the state of input signal. The PARKSENS (diagnosis No. 5) and the Sending Data (diagnosis No. 6) are not supported in this diagnosis.
To start the diagnosis, press the preset button to select the diagnosis number you want to check.
Vehicle Information
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Preset No. 1 button: ILLUMI |
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Preset No. 2 button: VSPNE |
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Preset No. 3 button: VINNO |
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Preset No. 4 button: MICU_ICU |
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Preset No. 5 button: PARKSENS (not available) |
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Preset No. 6 button: Using to display the Vehicle information 2 screen. |
Vehicle Information 2
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Preset No. 1 button: ST_SW_PAD (with multi-information display) |
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Preset No. 2 button: Sending Data |
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Preset No. 6 button: Using to display the Vehicle Information screen. |
ILLUMI
The illumination signal comes from the gauge control module to the audio unit via the B-CAN bus.
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Diagnosis Number |
Item |
Description |
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1 |
C_ILCANCEL |
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1: When the dashlights brightness control knob is more than 90 % brightness with the parking lights turned on |
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0: When the dashlights brightness control knob is less than 90 % brightness with the parking lights turned on | |
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C_ACILL |
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1: When parking lights, or headlights are on |
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0: When parking lights, or headlights are off | |
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3 |
C_ILSTEP |
With the parking lights on, use the dashlights brightness control knob to dim and brighten the gauge. The value changes from 1 (max low) to 22 (max high). |
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4 |
METER_ILL CANCEL |
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1: When the dashlights brightness control knob is more than 90 % brightness with the parking lights turned on |
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0: When the dashlights brightness control knob is less than 90 % brightness with the parking lights turned on | |
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5 |
METER_ILL STATUS |
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1: When parking lights, or headlights are on |
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0: When parking lights, or headlights are off | |
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6 |
METER_ILL STEP |
With the parking lights on, use the dashlights brightness control knob to dim and brighten the gauge. The value changes from 1 (max low) to 22 (max high). | |
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VSPNE
The VSP/NE signal comes from the gauge control module to the audio unit via the B-CAN bus.
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Diagnosis Number |
Item |
Description |
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1 |
C_VSP |
This item indicates the vehicle speed (km/h). |
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2 |
C_NE |
This item indicates the engine speed (rpm). | |
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VINNO
The VINNO signal comes from the gauge control module to the audio unit via the B-CAN bus.
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Diagnosis Number |
Item |
Description |
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1 |
Receiving Data |
This item indicates the VIN that received from the PCM. |
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2 |
Initial registration |
This item indicates the initial registration VIN (10 is added to the beginning of indicated VIN) that is saved in the audio unit. |
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Additional registration |
This item indicates the additional registration VIN (11 is added to the beginning of indicated VIN) when the audio unit is substituted into another vehicle, or when a PCM is substituted or replaced into this vehicle. | |
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MICU_ICU
The MICU_ICU signal comes from the body control module to the audio unit via the B-CAN bus.
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Diagnosis Number |
Item |
Description |
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1 |
C_BACKLTSW |
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1: When the transmission is shifted to R position/mode |
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0: When the transmission is shifted to any position/mode other than R position/mode | | |
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ST_SW_PAD
The ST_SW_PAD signal comes from the gauge control module to the audio unit via the B-CAN bus.
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Item |
Description |
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C_FOURWAY_UPPER |
When the UP button on the 4-way knob is pressed, this item indicates 1. |
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C_FOURWAY_LOWER |
When the DOWN button on the 4-way knob is pressed, this item indicates 1. |
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C_FOURWAY_RIGHT |
When the RIGHT button on the 4-way knob is pressed, this item indicates 1. |
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C_FOURWAY_LEFT |
When the LEFT button on the 4-way knob is pressed, this item indicates 1. |
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C_VOLUME |
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When the VOLUME knob is pressed on ? (UP) side, this item indicates 1. |
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When the VOLUME knob is pressed on ? (DOWN) side, this item indicates 4. | |
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C_PICKUP |
When the PICK-UP button is pressed, this item indicates 1. |
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C_HANGUP_BACK |
When the HANG-UP/BACK button is pressed, this item indicates 1. |
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C_TALK |
When the TALK button is pressed, this item indicates 1. | |
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Sending Data
These items indicates status of data which is transmitted from the audio unit to each unit via the B-CAN bus.
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Diagnosis Number |
Item |
Description |
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1 |
C_CENTER_APPOBJ_ AVAILABLE |
Not available |
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2 |
C_GPS_TIME_MODE |
This item indicates the status of time format setting:
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1: 12 h format |
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0: 24 h format | |
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3 |
C_GPS_LOCAL_HOUR |
These items indicates setting time of the audio unit internal clock. |
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4 |
C_GPS_LOCAL_MINUTE |
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5 |
C_GPS_LOCAL_SECOND | |
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