CHECK DTC (CHECK USING GTS)
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Navigation System / Trouble Codes.
Check for DTCs, and then write them down.
Check the details of the DTC(s) Click here.
Note
The navigation system outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the navigation system are output, refer to Diagnostic Trouble Code Chart for the relevant system.
System | Proceed to |
---|---|
Parking Assist Monitor System (w/o Parallel Parking Assist Function) |
CLEAR DTC (CLEAR USING GTS)
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Navigation System / Trouble Codes.
Clear the DTCs.
START DIAGNOSTIC MODE
Tech Tips
Illustrations may differ from the actual vehicle screen depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle screen.
If the system cannot enter diagnostic mode, inspect all AVC-LAN communication components and repair or replace the malfunctioning parts Click here.
Start diagnostic mode 15 seconds after turning the power switch on (IG). Otherwise, some items cannot be checked.
Method 1
Turn the power switch on (IG).
While pressing and holding the "MENU" switch, operate the light control switch: Off → Tail → Off → Tail → Off → Tail → Off.
Method 2
Turn the power switch on (IG).
Press the seek/track up panel switch 5 times and then press the seek/track down panel switch 5 times with the screen and audio turned off.
Tech Tips
Diagnostic mode can only be started if the above operation is completed within 15 seconds of the first press of the seek/track up panel switch.
If the operation is not completed within 15 seconds of the first press of the seek/track panel switch or fails, turn the screen and audio on and then off again before attempting to start diagnostic mode.
Diagnostic mode will start and the "Service Menu" screen will be displayed. The service inspection will start automatically and then the result will be displayed.
FAILURE DIAGNOSIS
The "Failure Diagnosis" screen will be displayed by selecting "Failure Diagnosis" on the "Service Menu" screen.
SYSTEM CHECK
The "System Check Mode" screen will be displayed by selecting "System Check" on the "Failure Diagnosis" screen.
CHECK DTC (CHECK USING SYSTEM CHECK MODE SCREEN)
System check mode screen description
Display | Content |
---|---|
*a: Node position number for devices connected to the MOST network. | MOST network node position numbers are provided for devices connected to the MOST network. |
*b: Device name list No. 1 |
|
*c: Check result |
|
*d: Memory clear |
|
*e: Recheck |
|
*f: Device name list No. 2 |
|
Name | Component | Connection Method |
---|---|---|
EMV-M | Radio receiver assembly | - |
AMP | Stereo component amplifier assembly | MOST communication line |
DISP | Multi-display | AVC-LAN communication line |
DCM*1 | Telematics transceiver | USB communication line |
R-TOUCH | Remote touch | Local bus communication line |
*1: w/ Manual (SOS) Switch
Result | Meaning | Action |
---|---|---|
OK | The device does not respond with a DTC. | - |
MOST | MOST communication error | Perform "MOST Line Check" to check the connection of each device on the MOST network. |
DETAIL | The device responds with a DTC. | Read the DTC on "Unit Check Mode". |
NCON | The device was previously present, but does not respond in diagnostic mode. | - Check the power supply circuit of the device. - Check the communication line of the device. |
NRES | The device responds in diagnostic mode, but gives no DTC information. | - Check the power supply circuit of the device. - Check the communication line of the device. |
Name | Component | Connection Method |
---|---|---|
AUX/VTR | No. 1 stereo jack adapter assembly | Vehicle wire harness |
IF-BOX_ USB | No. 1 stereo jack adapter assembly | USB communication line |
Unit check mode screen description
Display | Content |
---|---|
*a: Device name | Target device |
*b: History DTC | Diagnostic memory results and stored DTCs are displayed. |
*c: Current DTC | DTCs output in the service check are displayed. |
*d: DTC | DTC (Diagnostic Trouble Code) |
*e: Timestamp | The time and date of history DTCs are displayed. (The year is displayed in 2-digit format.) |
*f: Diagnosis clear | Selecting "Code CLR" for 3 seconds clears the diagnostic memory data of the target device. (Both diagnostic system check result and the displayed data are cleared.) |
Tech Tips
This screen is updated once per second.
A maximum of 6 DTCs can be displayed for history and present DTCs.
MOST line check screen description
Tech Tips
The inspection will be performed at the time the screen changes from "System Check Mode" to "MOST Line Check".
The master unit checks the connection of each device on the MOST network.
Display | Content |
---|---|
*a: Node position number for devices connected to the MOST network. | MOST node position numbers are provided for devices connected to the MOST network. |
*b: Device name list |
|
*c: Check result | The master unit displays the check result on the screen based on the response information from each slave unit. |
Name | Component |
---|---|
EMV-M | Radio receiver assembly |
AMP | Stereo component amplifier assembly |
Result | Meaning |
---|---|
OK | There was a response for the connection check during the MOST line check. |
NCON | There was no response for the connection check during the MOST line check. |
Tech Tips
The device name and result will not be displayed if there is no system registration record and no response for the connection check during the MOST line check even if the device is connected to the MOST network.
Read the system check result.
If the check result is "DETAIL", select the displayed check result to view the results on the "Unit Check Mode" screen and record them.
Note
A maximum of 6 DTCs can be displayed for history and present DTCs on the "Unit Check Mode" screen. Therefore, when 6 DTCs are displayed, troubleshoot those DTCs first and then check the "Unit Check Mode" screen again to see if any other DTCs are displayed.
Tech Tips
When all results are "OK", no DTCs are present.
When proceeding to view the results of another device, select "Back" to return to the "System Check Mode" screen. Repeat the above step to view the results of other devices.
Check the details of the DTC(s) Click here.
Note
The navigation system outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the navigation system are output, refer to Diagnostic Trouble Code Chart for the relevant system.
System | Proceed to |
---|---|
Parking Assist Monitor System (w/o Parallel Parking Assist Function) |
DTC CLEAR/RECHECK (CLEAR USING SYSTEM CHECK MODE SCREEN)
Clear DTCs
Select "Memory CLR" for 3 seconds.
Confirm that the check results are cleared.
Tech Tips
To clear DTCs for a specific device, clear the DTCs using the "Unit Check Mode" screen.
When clearing the DTCs using the "Unit Check Mode" screen, select "Code CLR" for 3 seconds.
Recheck
Select "Recheck".
Confirm that all diagnostic codes are "OK" when the check results are displayed. If a result other than "OK" is displayed, perform troubleshooting again.
Tech Tips
When the DTCs are cleared using the "Unit Check Mode" screen, select "Back" to return to the "System Check Mode" screen and perform this operation.
FINISH DIAGNOSTIC MODE
Turn the power switch off.