AV SWITCH SELF-DIAGNOSIS FUNCTION
It can check ON/OFF operation of each switch in the AV switch and diagnose the input signals from the steering switch.
Scheme 21
- Turn ignition switch from OFF to ACC.
- Press and hold the "PAUSE/MUTE" 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.
- Initially, all display segments will be illuminated.
- 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.
Scheme 22
- Turn ignition switch from OFF to ACC.
- Within 10 seconds press and hold the switches "PAUSE/MUTE" and "PREV" simultaneously for 3 seconds. Then the self-diagnosis operates. A single beep indicates self-diagnosis mode is active.
- Press each switch and listen for beep. NOTE: CD player LOAD and EJECT buttons are not included in this test and will not beep when pressed.