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).
Note
The audio and visual system outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the audio and visual system are output, refer to Diagnostic Trouble Code Chart for the relevant system.
| System | Proceed to |
|---|---|
| Rear View Monitor System |
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.
Start diagnostic mode at least 15 seconds after turning the power switch on (IG). Otherwise, some items cannot be checked.
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.
Diagnostic mode starts and the "Service Menu" screen will be displayed. Service inspection starts automatically and 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)
Tech Tips
When "NCON" is displayed for all devices connected through the AVC-LAN, or when all device names are not displayed, check if there is a short circuit in the AVC-LAN or devices connected to the AVC-LAN. Repair or replace parts as necessary.
System check mode screen description
| Display | Content |
|---|---|
| *a: Device name list No. 1 |
|
| *b: Check result | Result codes for all devices are displayed. |
| *c: Memory clear |
|
| *d: Recheck |
|
| *e: Device name list No. 2 |
|
| Name | Component | Connection Method |
|---|---|---|
| DA | Radio receiver assembly | - |
| DISP | Multi-display assembly | Communication line for AVC-LAN |
| R-TOUCH | Remote operation board | Communication line for AVC-LAN |
| DSP-AMP*1 | Stereo component amplifier assembly | Communication line for AVC-LAN |
*1: for 8 Speakers
| Result | Meaning | Action |
|---|---|---|
| OK | The device does not respond with a DTC. | - |
| DETAIL | The device responds with a DTC. | Look up the DTC in "Unit Check Mode". |
| NCON | The device was previously present, but does not respond in diagnostic mode. | - Check power supply wire harness of the device. - Check the AVC-LAN of the device. |
| NRES | The device responds in diagnostic mode, but gives no DTC information. | - Check power supply wire harness of the device. - Check the AVC-LAN 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 | Communication line for USB |
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: Diagnosis clear switch | 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.
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, press the "Back" switch to return to the "System Check Mode" screen. Repeat the step above to view the results of other devices.
Check the details of the DTC(s).
Note
The audio and visual system outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the audio and visual system are output, refer to Diagnostic Trouble Code Chart for the relevant system.
| System | Proceed to |
|---|---|
| Rear View Monitor System |
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 the DTCs for a specific device, clear the DTCs using the "Unit Check Mode" screen.
When clearing DTCs using the "Unit Check Mode" screen, select "Code CLR" for 3 seconds.
Recheck
Press the "Recheck" switch.
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.