NOTE: If a unit is marked ‘‘○'' or circuit board is removed, the corresponding function described in the left side column is not applicable.

Removed Part | UNIT | PRINTED CIRCUIT BOARD
--- | --- | ---
Important Function | Audio Unit | Front Printed Circuit Board | A/C Switch Printed Circuit Board | Rear Window Defogger Switch Printed Circuit Board | A/C ON/OFF Switch Printed Circuit Board
Audio | Controls | Power Switch | ○ | ○ | ——— | ——— | ———
Volume Control | ○ | ○ | ——— | ——— | ———
Tone Control | ○ | ○ | ——— | ——— | ———
Switch Knob Lighting | ○ | ○ | ——— | ——— | ———
Audio Mode Change | ○ | ○ | ——— | ——— | ———
Clock Functions | ○ | ○ | ——— | ——— | ———
Radio | Preset | ○ | ○ | ——— | ——— | ———
Auto Select | ○ | ○ | ——— | ——— | ———
Tune/Seek | ○ | ○ | ——— | ——— | ———
Scan | ○ | ○ | ——— | ——— | ———
CD | Play/Repeat | ○ | ○ | ——— | ——— | ———
Skip up/down | ○ | ○ | ——— | ——— | ———
Loading/Eject | ○ | ○ | ——— | ——— | ———
A/C | A/C Control | A/C ON/OFF | ○ | ○ | ——— | ——— | ○
Temperature Control | ——— | ○ | ——— | ——— | ———
Draft Control | ——— | ○ | ——— | ——— | ———
Windshield Defogger | ——— | ○ | ○ | ——— | ———
Rear Window Defogger | ——— | ○ | ——— | ○ | ———
Mode Change | ——— | ○ | ○ | ——— | ———
Show the display | ○ | ○ | ——— | ——— | ———