Terminals and Reference Value for AV Switch
TERMINALS AND REFERENCE VALUE CHART Terminal No. (Wire color) Item Signal input/output Condition Voltage (Approx.) Example of symptom + - Ignition switch Operation 1 (Y/R) Ground Battery power Input OFF - Battery voltage System does not work properly. 2 (V) Ground ACC signal Input ACC - Battery voltage System does not work properly. 3 (R/L) Ground Illumination signal Input OFF Lighting switch is ON (position 1). Battery voltage AV switch illumination does not come on when lighting switch is ON (position 1). Turn lighting switch OFF. Approx. 3.0V or less 4 (R/Y) Ground Illumination control signal Input ON Illumination control switch is operated by lighting switch in 1st position. Changes between 0 and 12V. AV switch illumination cannot be controlled. 5 (B) Ground Ground - ON - 0V - 6 (V) Ground Communication signal (+) Input/output ON - System does not work properly. 7 - Shield ground - - - - - 8 (LG) Ground Communication signal (-) Input/output ON - System does not work properly. 12 (R) Ground Remote control A Input ON Press MODE switch 0V Steering wheel audio controls do not function. Press SEEK UP switch 0.75V Press VOL UP switch 2V Except for above 5V 13 (G) Ground Remote control B Input ON Press POWER switch 0V Steering wheel audio controls do not function. Press SEEK DOWN switch 0.75V Press VOL DOWN switch 2V Except for above 5V 14 (B/Y) - Remote control ground - - - - Steering wheel audio controls do not function