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:

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.




MODE 3
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.