Audio Unit: Component Function Check

Audio Unit: Component Function Check

Starting the Self-Diagnosis Mode
1. Turn ignition switch from OFF to ACC.
2. Press and hold the "DISP/CLOCK" switch and turn the volume control dial clockwise or counterclockwise for 30 clicks or more.






Then the self-diagnosis operates. A single beep indicates self-diagnosis mode is active.
3. Initially, all display segments will be illuminated.
4. Press each switch. When each switch is pressed, its name and communication code will be displayed

NOTE: CD player LOAD and EJECT buttons are not included in this test and will not change the display when pressed.

Diagnosis Function
- It can check for continuity of the switches by sounding the beep when each audio unit switch and steering switch is pressed.
- It can check for continuity of harness between audio unit switch and steering switch.

Exiting the Self-Diagnosis Mode
Turn ignition switch OFF. Then the self-diagnosis ends.