Tuner Unit Connector for Inputs and Outputs

TUNER UNIT CONNECTOR A (12P)

Cavity
Terminal Name
Description
A1
GA BUS?
GA-Net bus communication signal
A2
SH GA BUS
Shield for terminals No. 1 and No. 7
A3
GA AUDIO L?
Outputs sound signal
A4
GA AUDIO R?
Outputs sound signal
A5
SH GA AUDIO
Shield for terminals No. 3, No. 4, No. 9, and No. 10
A6
GA GND
Ground for tuner unit
A7
GA BUS?
GA-Net bus communication signal
A8
GA SYS ON
Inputs signal for tuner unit switching on/off
A9
GA AUDIO L?
Outputs sound signal
A10
GA AUDIO R?
Outputs sound signal
A11
Not used
???
A12
GA ?B
Continuous power source from audio unit or audio-navigation unit

TUNER UNIT CONNECTOR B (5P)

Cavity
Terminal Name
Description
B1
SWD +B
Power source for HD radio antenna amplifier*1
Power source for HD traffic antenna amplifier*2
B2
AM/FM
Inputs AM/FM signal
B3
Not used
???
B4
SH (AM/FM)
Shield for terminal No. 2
B5
Not used
???
*1: Without navigation
*2: With navigation