Initial Inspection and Diagnostic Overview

Self-Diagnosis Function for A/C and Audio Controller
- Perform self-diagnosis for A/C and audio controller, as well as audio unit, and display results on A/C and controller display.
- As for mode 2-4, items are displayed with a 10-digit display.




DIAGNOSIS ITEM




OPERATION PROCEDURE
1. Within 5 seconds after turning ignition switch from OFF to ON, press function switches 1 and 6 simultaneously, and hold them for 5 seconds or more.
2. When self-diagnosis is actuated, all segments on display are displayed and mode 1 is active.
3. Each time AUDIO switch is pressed, diagnosis mode switches. (MODE 2 to MODE 3 to MODE 4 to MODE 1)




4. Turn ignition switch from ON to OFF, or press function switches 1 and 6 simultaneously and hold them for 5 seconds or more to complete the self-diagnosis.




MODE 1
Each time TUNE switch is pressed, segment display status is switched and missing segment is checked.







MODE 2
Each time TUNE switch is pressed, versions of A/C and audio controller, as well as audio unit are displayed.




MODE3
Each time each switch is pressed, key codes of each switch are displayed and input status of each switch is checked.

CAUTION: When AUDIO switch can switch modes, it is judged normal.







MODE 4
Each time TUNE switch is pressed, error records of A/C and audio controller, as well as audio unit are displayed.

NOTE: Disc difference indicates special-shaped disc or damaged disc.







Erase History of Errors
- Erase history of errors, press function switches 4 and 6 simultaneously in mode 4, and hold them for 5 seconds or more.
- Erase results of error records are displayed on display.