The steering wheel audio control button is installed to promote safe driving.
CAUTION
Do not operate audio remote control buttons simultaneously.
VOLUME (VOL +/-) (1)
MUTE (2)
MODE (3)
Press the MODE button to select Radio, CD (Compact Disc).
SEEK/PRESET () (4)
If the SEEK/PRESET button is pressed for 0.8 second or more, it will work as follows in each mode.
RADIO mode
It will function as the AUTO SEEK select button. It will SEEK until you release the button.
CDP mode
It will function as the FF/REW button.
CDC mode
It will function as the DISC UP/DOWN button.
If the SEEK/PRESET button is pressed for less than 0.8 second, it will work as follows in each mode.
RADIO mode
It will function as the PRESET STATION select buttons.
CDP mode
It will function as the TRACK UP/DOWN button.
CDC mode
It will function as the TRACK UP/DOWN button.
Detailed information for audio control buttons is included in the following pages in this section.
Disassembly
If the disassembly procedure is complex, requiring many parts
to be disassembled, all parts should be disassembled in a way that will not
affect their performance or external appearance.
...
Inspection
1.
Measure the output voltage between the terminal of the wheel speed
sensor and the body ground.
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Circuit Diagram
(M/T)
(A/T)
...