Kia Rio: Audio Unit Components - Audio - Body Electrical System - Kia Rio UB 2012-2021 Service ManualKia Rio: Audio Unit Components


Terminal specification(PA30A)
No
Terminal Description
Condition
Specified Condition
A1
Loudspeaker Rear Left+
Needed connection to the car
Analog output
A2
Loudspeaker Front Left+
Needed connection to the car
Analog output
A3
Loudspeaker Front Right+
Needed connection to the car
Analog output
A4
Loudspeaker Rear Right+
Needed connection to the car
Analog output
A5
-
 
 
A6
-
 
 
A7
-
 
 
A8
Rheostat from vehicle +
Needed connection to the car
 
A9
ILL DIM CANCEL
Needed connection to the car
 
A10
Loudspeaker Rear Left-
Needed connection to the car
Analog output
A11
Loudspeaker Front Left-
Needed connection to the car
Analog output
A12
Loudspeaker Front Right-
Needed connection to the car
Analog output
A13
Loudspeaker Rear Right-
Needed connection to the car
Analog output
A14
-
 
 
A15
-
 
 
A16
-
 
 
A17
Rheostat from vehicle -
Needed connection to the car
 
A18
Remote Power supply for Antenna
Acc on
9V ~ 18V
B1
-
 
 
B2
-
 
 
B3
-
 
 
B4
Steering Wheel Remote Control
Steering Wheel switch pushed
0.5V ~ 3V
B5
-
 
 
B6
USB D+
USB device is inserted
3.2V ~ 3.45
B7
USB /iPod power
USB/iPod device is inserted
4.9V ~ 5.1V
B8
AUX Right Sound Signal
External Auxiliary device is Audio playing
(At time of Aux jack use)
A waveform synchronized with sound is output
B9
AUX Reference Ground
Always
Below 1 ohm
B10
Bluetooth MIC+
Input the Voice Signal via MIC
A waveform synchronized with Voice data via MIC
B11
Accessory
Engine switch on(ACC)
11 ~ 14 V
B12
Battery
Always
11 ~ 14 V
B13
-
 
 
B14
-
 
 
B15
-
 
 
B16
Speed Sensor Signal
Engine switch on(IGN), car is moved slowly
Approx. 5V Level Pulse Generation
B17
Steering Wheel Remote Control Gnd
Always
Below 1 ohm
B18
USB D-
USB device is inserted
3.2V ~ 3.45
B19
iPod detection line
iPod device is inserted
GND
B20
AUX Signal Input Detect
Auxiliary device is inserted
0V(Low) → 5V(High)
B21
AUX Left Sound Signal
External Auxiliary device is Audio playing
(At time of Aux jack use)
A waveform synchronized with sound is output
B22
Bluetooth MIC-
Input the Voice Signal via MIC
A waveform synchronized with Voice data via MIC
B23
-
 
 
B24
Ground
Always
Below 1 ohm

Audio Unit Schematic Diagrams


Components Location
1. Audio unit 2. Tweeter speaker 3. Roof antenna (Radio + SDARS) 4. Antenna cable connector 5. Front door speaker 6. Rear door speaker 7. Antenna feeder cable ...

Audio Unit Schematic Diagrams
System Block Diagram ...

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