Audio Unit Connector for Inputs and Outputs
Audio Unit Connector A (24P) (female terminals)

Cavity
Terminal Name
Description
A1
GND
Ground for audio unit (G404)
A2
Not used
???
A3
+B BACKUP MAIN
Continuous power source
A4
Not used
???
A5
RL SPKR+
Outputs sound signal for left rear door speaker
A6
RL SPKR?
Outputs sound signal for left rear door speaker
A7
RR SPKR+
Outputs sound signal for right rear door speaker
A8
RR SPKR?
Outputs sound signal for right rear door speaker
A9*
AUDIO REMOTE SW
Detects control signal from audio remote switch
A10
Not used
???
A11
Not used
???
A12
K LINE
Detects scan tool signal (serial data)
A13
Not used
???
A14
B-CAN_H
Communication signal
A15
FL SPKR+
Outputs sound signal for driver's door speaker
A16
FL SPKR?
Outputs sound signal for driver's door speaker
A17
FR SPKR+
Outputs sound signal for front passenger's door speaker
A18
FR SPKR?
Outputs sound signal for front passenger's door speaker
A19
REMOTE SW GND
Audio remote switch and HFL switch ground
A20
HFT/NAVI REMOTE SW
Detects control signal from HFL switch
A21
Not used
???
A22
Not used
???
A23
ACC
Power source for accessories
A24
B-CAN_L
Communication signal
*: With audio remote switch


Audio Unit Connector B (32P) (female terminals)

Cavity
Terminal Name
Description
B1
Not used
???
B2
Not used
???
B3
Not used
???
B4
Not used
???
B5
Not used
???
B6
SH MIC
Shield for terminals No. 22 and No. 23
B7
Not used
???
B8*
SH AUX
Shield for terminals No. 24, No. 25, and No. 26
B9*
AUX DET
Detects connection for auxiliary jack assembly
B10
Not used
???
B11
Not used
???
B12
Not used
???
B13
RC VCC
Power source for rearview camera
B14
CAMERA V GND
Ground for video signal
B15
Not used
???
B16
CAMERA ADPT
Detects connection for rearview camera
B17
Not used
???
B18
Not used
???
B19
Not used
???
B20
Not used
???
B21
Not used
???
B22
MIC+
Inputs HFL microphone signal
B23
MIC?
Ground for HFL microphone
B24*
AUX R CH
Inputs sound signal from auxiliary jack assembly
B25*
AUX SGND
Ground for sound signal from auxiliary jack assembly
B26*
AUX L CH
Inputs sound signal from auxiliary jack assembly
B27*
AUX GND
Ground for auxiliary jack assembly
B28
SH CAMERA
Shield for terminals No. 13, No. 14, No. 29, and No. 30
B29
CAMERA V
Video signal for rearview camera
B30
RC GND
Ground for rearview camera
B31
CAMERA BIT0
Mode select signal for rearview camera
B32
CAMERA BIT1
Mode select signal for rearview camera
*: Mexico models


Audio Unit Connector E (3P) (female terminals)

Cavity
Terminal Name
Description
E1
SWD +B
Power source for AM/FM antenna
E2
AM/FM
Inputs AM/FM signal
E3
SH(AM/FM)
Shield for terminal No. 2
Audio Unit Connector F (5P) (female terminals)

Cavity
Terminal Name
Description
F1
USB GND
Ground for USB device
F2
USB VBUS
Outputs power source for USB port
F3
USB DATA+
Communication signal
F4
USB DATA?
Communication signal
F5
USB SH
Shield for terminals No. 1, No. 2, No. 3, and No. 4