HandsFreeLink Control Unit Connector for Inputs and Outputs
HANDSFREELINK CONTROL UNIT CONNECTOR A (32P)

Cavity
Terminal Name
Description
1
MIC?
Inputs microphone signal negative
2
MIC?
Inputs microphone signal positive
3
SH MIC
Shield for terminals No. 1 and No. 2
4
TELEM SIG?
Outputs HFL prompts and telephone sound signal
5
GA AUDIO L?
Outputs sound signal
6
GA AUDIO R?
Outputs sound signal
7
Not used
???
8
Not used
???
9
Not used
???
10
Not used
???
11
Not used
???
12
GA BUS?
GA-Net bus communication signal
13
GA BUS?
GA-Net bus communication signal
14
Not used
???
15
HFT/NAVI REMOTE SW
Detects control signal from HFL switch
16*1
GND
Ground for HandsFreeLink control unit (G503)
16*2
GA GND
Ground for HandsFreeLink control unit
17
Not used
???
18
Not used
???
19
SH TELEM SIG
Shield for terminals No. 4 and No. 20
20
TELEM SIG?
Outputs HFL prompts and telephone sound signal
21
GA AUDIO L?
Outputs sound signal
22
GA AUDIO R?
Outputs sound signal
23
SH GA AUDIO
Shield for terminals No. 5, No. 6, No. 21, and No. 22
24*2
GA SYS ON
Inputs signal for HandsFreeLink control unit switching on/off
25
Not used
???
26
Not used
???
27
Not used
???
28
SH GA BUS
Shield for terminals No. 12 and No. 13
29
Not used
???
30
Not used
???
31*1
ACC
Power source for accessories
32*1
?B AUDIO
Continuous power source
32*2
GA AUDIO
Continuous power source from audio unit

*1:
Without short message service
*2:
With short message service