Self Diagnostic Operation Procedure

OPERATION PROCEDURE




1. Start the engine.
2. Push and hold "MAP" and "D/N" switches simultaneously for 5 seconds or more.
- Push the "PREVIOUS" switch and the initial system screen will be shown.




3. The initial trouble diagnosis screen will be shown, and items "SELF-DIAGNOSIS" and "CONFIRMATION/ADJUSTMENT" will become selective.




4. Perform self-diagnosis by selecting the "SELF-DIAGNOSIS".
- Self-diagnosis subdivision screen will be shown and the operation enters the self-diagnosis mode.
- A bar graph shown below the self-diagnosis subdivision screen indicates progress of the diagnosis.




5. On the "Self diagnosis" screen, each unit name will be colored according to the diagnosis result, as follows.

Green : No malfunctioning.
Yellow : Cannot be judged by self-diagnosis results.
Red : Unit is malfunctioning.
Gray : Diagnosis has not been done.

- If several malfunctions are present in a unit, color of its switch on the screen will be either red, yellow, or gray, determined by the malfunction of the highest priority.
- Lines between control unit and display or GPS antenna are green or yellow based on diagnosis results.
- Lines between control unit and units other than those above are gray regardless of diagnosis results.




6. Select a switch on the "Self diagnosis" screen and comments for the diagnosis results will be shown.
- When the switch is green, the following comment will be shown. "Self-diagnosis was successful. Further diagnosis and adjustments are recommended. Follow the "confirmation and adjustments" menu.
- When the switch is yellow, the following comment will be shown. "Connection to the following unit is abnormal. See the service manual for further details".
- When the switch is red, the following comment will be shown. "Center Control Unit is abnormal".
- When the switch is gray, the following comment will be shown. "Self-diagnosis for DVD-ROM DRIVER of NAVI was not conducted because no DVD-ROM was available.".

SELF-DIAGNOSIS RESULT

Quick Reference Table
1. Select an applicable diagnosis No. in the diagnosis result quick reference table.
2. Find estimated malfunctioning system in the diagnosis No. table and perform check by referring to the AV communication line wiring diagram. Refer to "Wiring Diagram AV-NAVI".




3. Turn the ignition switch to OFF and perform self-diagnosis again.

CAUTION:
- If display has any error, self-diagnosis cannot start.
- If AV communication between display and NAVI control unit has any error, self-diagnosis cannot start.

Self-Diagnosis Codes:

Self-diagnosis Codes