Tuner Unit Connector for Inputs and Outputs (2017 2018 2019 2020)

Courtesy of HONDA, U.S.A., INC.

TUNER UNIT CONNECTOR A (20P) (female terminals)

Courtesy of HONDA, U.S.A., INC.

Cavity	Wire Color	Terminal Name	Description
A1	YEL	GA BUS -	GA-Net bus communication signal
A2	GRY	GA BUS SH	Shield for terminal No. 1, No. 11
A3	BLK	TUNE L-	Outputs sound signal
A4	WHT	TUNE R-	Outputs sound signal
A5	GRY	TUNE SH	Shield for terminal No. 3, No. 4, No. 13, No. 14
A6	PUR	GND	Ground for tuner unit
A7	RED	GA AUDIO L-	Outputs sound signal
A8	WHT	GA AUDIO R-	Outputs sound signal
A9	GRY	GA AUDIO SH	Shield for terminals No. 7, No. 8, No. 17, and No. 18
A10	RED	RS485 DATA-	Communication signal to stereo amplifier
A11	BRN	GA BUS +	GA-Net bus communication signal
A12	TAN	GA SYS ON	Inputs signal for tuner unit switching ON/OFF

Cavity	Wire Color	Terminal Name	Description
A13	RED	TUNE L+	Outputs sound signal
A14	GRN	TUNE R+	Outputs sound signal
A15	Not used	Not used	- - -
A16	WHT	GA+ B	Continuous power source from audio-navigation unit
A17	BLK	GA AUDIO L+	Outputs sound signal
A18	GRN	GA AUDIO R+	Outputs sound signal
A19	GRY	RS485 DATA SH	Shield for terminals No. 10 and No. 20
A20	GRN	RS485+	Communication signal to audio-navigation unit or audio unit

TUNER UNIT CONNECTOR B (5P) (female terminals)

Courtesy of HONDA, U.S.A., INC.

Cavity	Wire Color	Terminal Name	Description
B1	- - -	SWD +B	Power source for roof antenna
B2	- - -	AM/FM	Inputs AM/FM signal
B3	Not used	Not used	- - -
B4	- - -	SH (AM/FM)	Shield for terminal No. 2
B5	Not used	Not used	- - -

TUNER UNIT CONNECTOR C (2P) (female terminals)

Courtesy of HONDA, U.S.A., INC.

Cavity	Wire Color	Terminal Name	Description
C1	- - -	SAT/TER	Inputs satellite/terrestrial signal
C2	- - -	SH (SAT/TER)	Shield for terminal No. 1