Reading and Clearing Diagnostic Trouble Codes

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: DTC CHECK / CLEAR

HINT
* 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 the diagnostic mode, inspect all AVC-LAN communication components and repair or replace problem parts AVC-LAN Circuit.
* After the ignition switch is turned to ON, check that the map is displayed before starting the diagnostic mode. Otherwise, some items cannot be checked.
1. START DIAGNOSTIC MODE

(a) There are 2 methods to start diagnostic mode. Start the mode by using either of them.

(b) Method 1





(1) Start the engine.

(2) While pressing and holding the "INFO" switch, operate the light control switch: off -> Turn on -> Turn off -> Turn on -> Turn off -> Turn on -> Turn off.

(3) The diagnostic mode starts and the "System Check Mode" screen will be displayed. Service inspection starts automatically and the result will be displayed.

(c) Method 2

(1) Start the engine.

(2) Press the "DISP" switch.





(3) From the display quality adjustment screen, touch the corners of the screen in the following order: upper left -> lower left -> upper left -> lower left -> upper left -> lower left.





(4) The diagnostic mode starts and the "System Menu" screen will be displayed.

2. FINISH DIAGNOSTIC MODE

(a) Turn the ignition switch off.

3. FAILURE DIAGNOSIS

(a) The "Failure Diagnosis" screen will be displayed by pressing the "Failure Diagnosis" switch on the "Service Menu" screen.





4. SYSTEM CHECK

(a) The "System Check Mode" screen will be displayed by pressing the "System Check" switch on the "Failure Diagnosis" screen.





5. CHECK DTC (CHECK USING SYSTEM CHECK MODE SCREEN)

(a) Read the system check result.





(1) If the check result is "EXCH" or "CHEK", touch the displayed check result to view the results on the "Unit Check Mode" screen and record them.

HINT
* When all results are "OK", this means that 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.
(2) Check the details of the DTC(s) Navigation System.

6. DTC CLEAR/RECHECK (CLEAR USING SYSTEM CHECK MODE SCREEN)

(a) Clear DTC





(1) Press the "Memory CLR" switch for 3 seconds.

(2) Confirm that the check results are cleared.

HINT
* To clear the DTC for a specific device, clear the DTC using the "Unit Check Mode" screen.
* When clearing a DTC using the "Unit Check Mode" screen, press the "Code CLR" switch for 3 seconds.
(b) Recheck





(1) Press the "Recheck" switch.

(2) Confirm that all diagnostic codes are "OK" when the check results are displayed. If a code other than "OK" is displayed, troubleshoot again.





HINT
When a DTC was cleared using the "Unit Check Mode" screen, press the "Back" switch to return to the "System Check Mode" screen and perform this operation.