Unit Check (Quick Check)

These screens allow you to diagnose the audio unit and related units. Some of the tests and screens that are displayed under the Unit Check are same as the checks listed under the Detail Information and Setting.

To start the test, select the item you want to check.

NOTE: These items describe in indication order.

DA Unit
F-CAN
B-CAN
USB
Vehicle Status
Mic
BT/Wi-Fi
Hard Key
Error History
Rear Wide Camera
LaneWatch (with LaneWatch)
Remote Tuner
HD Radio
CD
SXM (with XM)
GPS Antenna
Compass Unit (With compass unit)
A/C
Telematics Diag (Not supported)
Upper Display

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DA Unit

This diagnosis checks for problems in the audio unit. When you start this diagnosis, the audio unit may freeze or delay up to a minute while the diagnosis runs.

If the icon (A) shows NG, replace the audio unit - Refer to: Audio Unit Removal and Installation (Without Navigation, Without Touch Screen) or Audio Unit Removal and Installation (With Display Audio) (2017) .
Model: Displays the vehicle's model name.
Program Version: Displays program number of the audio unit.
Serial No.: Displays the audio unit serial number. That should be the same as the serial number found on the upper side of the audio unit.

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F-CAN

NOTE: This diagnosis must have the vehicle is in the READY TO DRIVE mode.

This diagnosis checks whether the audio unit has received specific F-CAN data. If F-CAN shows NO ERROR, an error is not detected between the F-CAN bus and the audio unit.

If F-CAN shows RX ERROR, replace the audio unit - Refer to: Audio Unit Removal and Installation (Without Navigation, Without Touch Screen) or Audio Unit Removal and Installation (With Display Audio) (2017) .
If F-CAN shows TIME OUT, There is a possibility that some items are NG (red icon). When all the items from each transmitting unit is NG, check for F-CAN DTCs with the HDS. If DTCs not detected, check for continuity in the F-CAN lines between the audio unit and the transmitting unit.

NOTE: When the item is a variation equipment, the item shows NG (yellow icon), and it is not reflected in diagnosis.

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B-CAN

NOTE: This diagnosis must have the vehicle is in the READY TO DRIVE mode.

This diagnosis checks whether the audio unit has received specific B-CAN data. If B-CAN shows NO ERROR, an error is not detected between the B-CAN bus and the audio unit.

If B-CAN shows RX ERROR, replace the audio unit - Refer to: Audio Unit Removal and Installation (Without Navigation, Without Touch Screen) or Audio Unit Removal and Installation (With Display Audio) (2017) .
If B-CAN shows TIME OUT, There is a possibility that some items are NG (red icon). When all the items from each transmitting unit is NG, check for B-CAN DTCs with the HDS. If DTCs not detected, check for continuity in the B-CAN lines between the audio unit and the transmitting unit.

NOTE: When the item is a variation equipment, the item shows NG (yellow icon), and it is not reflected in diagnosis.

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USB

This diagnosis displays the USB device status that is connected to the audio unit.

If the USB memory device is connected to the USB port, the screen displays the USB controller status, the Bus power status, and the device status.

When you connect a USB mass storage device, you can see the capacity used and the amount of free space available.

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Vehicle Status

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.

Item	Input	Description
VSP	VSP line	1: When the vehicle speed pulse is received from the PCM 0: When the vehicle speed pulse is not received from the PCM
BACK	BACK LT line	1: When the transmission is shifted to R position/mode 0: When the transmission is shifted to any position/mode other than R position/mode
IG	B-CAN lines	1: When the vehicle is in the ON mode 0: When vehicle is in the ACCESSORY mode
ILL	B-CAN lines	1: When parking lights, or headlights are on 0: When parking lights, or headlights are off
ILL CANCEL	B-CAN lines	1: When the dashlights brightness control knob is more than 90 % brightness with the parking lights turned on 0: When the dashlights brightness control knob is less than 90 % brightness with the parking lights turned on
ILL STEP	B-CAN lines	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)
Speed	B-CAN lines	This item indicates the vehicle speed (km/h).
PARK-VIDEO	PARKING BRAKE SW line	1: When the parking brake is applied 0: When the parking brake is not applied
PARK	B-CAN lines	1: When the parking brake is applied 0: When the parking brake is not applied
Current received VIN	B-CAN lines	This item indicates the VIN that received from the PCM.
Initial registered VIN	B-CAN lines	This item indicates the initial registration VIN that is saved in the audio unit.
Last registered VIN	B-CAN lines	This item indicates the additional registration 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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Mic

This diagnosis allows you to test the microphone. To properly check the microphones, make sure you are sitting in the driver's seat.

NOTE: Before this diagnosis, check the response of the TALK button on the HFL switch by the Hard Key diagnosis.

Press the TALK button, and within 5 seconds in a normal voice say "testing" toward the microphone in the roof console. The Mic Level indicator on the screen should momentarily turn green. The test is set to OK by indicating green more than 6 steps. If there is no Mic Level movement when you speak, check for hard error codes - Refer to: Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen) or How to Troubleshoot the Audio System (With Display Audio) (2017) .

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If you select the Transmitter Volume Change icon, the transmitter volume can be selected from three selections (Large, Middle, Small).

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BT/Wi-Fi

This diagnosis allows you to independently test the Bluetooth module and the Wi-Fi module. The Bluetooth module and the Wi-Fi module are built into the audio panel. If NG, replace the audio panel - Refer to: Audio Unit Removal and Installation (Without Navigation, Without Touch Screen) or Audio Unit Removal and Installation (With Display Audio) (2017) .

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Hard Key

This diagnosis checks the audio-navigation unit face switches, the audio remote switch, and the HFL switch.

To complete the test, press each buttons. As each function is tested, the corresponding button on the display should highlight.

If any button of the audio unit does not respond, replace the audio unit - Refer to: Audio Unit Removal and Installation (Without Navigation, Without Touch Screen) or Audio Unit Removal and Installation (With Display Audio) (2017) .
If any button of the audio remote switch does not respond, do the audio remote switch test - Refer to: Audio Remote Switch Test (With Display Audio) (2017) .
If any button of the HFL switch does not respond, do the HFL switch test .

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Error History

If you select Hard Error or Soft Error, you can see the error information. Refer to How to Check for Error History to use this diagnosis - Refer to: Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen) or How to Troubleshoot the Audio System (With Display Audio) (2017) .

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Rear Wide Camera

This diagnosis checks the rearview camera connection.

If Connection shows NG, check for hard error codes - Refer to: Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen) or How to Troubleshoot the Audio System (With Display Audio) (2017) . The multi-information display unit screen goes black.
If Connection shows OK, then rearview camera image appears on the multi-information display unit.

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LaneWatch

This diagnosis checks the LaneWatch camera connection.

If Connection shows NG, check for hard error codes - Refer to: Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen) or How to Troubleshoot the Audio System (With Display Audio) (2017) . The multi-information display unit screen goes black.
If Connection shows OK, then LaneWatch camera image appears on the multi-information display unit.

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Remote Tuner

This diagnosis displays the external radio tuner (tuner unit) status. Make sure the audio unit radio tuner is turned on.

If Connection shows NG, check for hard error codes - Refer to: Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen) or How to Troubleshoot the Audio System (With Display Audio) (2017) .
Frequency can be changed by selecting each icon (A).
Source can be changed in this order: FM → AM by selecting Change.
Electric Field Intensity displays radio reception sensitivity (dBμV).
Antenna +B: Changes the AM/FM antenna power status ON or OFF.
Switching Antenna: If the vehicle has diversity antenna, you can select the radio antenna function from M (Main), S (Sub), or P (Diversity).
VOL: Displays the current volume level.

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HD Radio

This diagnosis displays the external radio tuner (tuner unit) status. Make sure the audio unit radio tuner is turned on.

If Connection shows NG, check for hard error codes - Refer to: Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen) or How to Troubleshoot the Audio System (With Display Audio) (2017) .
Frequency can be changed by selecting each icon (A).
Source can be changed in this order: AM → FM by selecting the Band Change icon.
Electric Field Intensity displays radio reception sensitivity (dBμV).

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This diagnosis checks the internal CD player connection.

If Connection shows NG, check for hard error codes - Refer to: Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen) or How to Troubleshoot the Audio System (With Display Audio) (2017) .

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SXM

This diagnosis displays the SXM status. Make sure the audio unit radio tuner is turned on.

If Antenna Connection shows NG, the roof antenna (XM) may be failure. Check for hard error codes - Refer to: Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen) or How to Troubleshoot the Audio System (With Display Audio) (2017) .
Subscription Status: Displays OK or NG, which stands for the status of the SXM contract.
SXM Software: Displays the program number of the SXM software version.
Channel Graphic: Changes the Channel Graphic ON or OFF.

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GPS Antenna

This diagnosis checks the GPS antenna connection.

If Antenna shows NG, the GPS antenna may be failure. Check for hard error codes - Refer to: Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen) or How to Troubleshoot the Audio System (With Display Audio) (2017) .

Select Information to see the GPS satellite details.

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Compass Unit

This diagnosis checks the electrical compass unit connection.

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A/C

This diagnosis detects if the vehicle is in the ON mode using information provided over the B-CAN bus, then it tests the climate control signal via the B-CAN bus between the audio unit and the climate control unit. Make sure the power system turn on for this test.

If IG shows On and Connection shows NG,, check for hard error codes - Refer to: Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen) or How to Troubleshoot the Audio System (With Display Audio) (2017) .

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Upper Display

This diagnosis checks the multi-information display unit connection.

If the Connection shows NG, Check for hard error codes - Refer to: Audio System Self-Diagnostic Function (Without Navigation, Without Touch Screen) or How to Troubleshoot the Audio System (With Display Audio) (2017) .
Version information: Displays the software version of the multi-information display unit.

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