LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2017 >> TLX SH-AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio Visual System - Testing & Troubleshooting (2 Of 2) >> Connector For Inputs And Outputs >> Stereo Amplifier Connector For Inputs And Outputs (With Navigation) (2018-19)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Stereo Amplifier Connector For Inputs And Outputs (With Navigation) (2018-19)

Connector Index
Stereo Amplifier Connector A (18P)
Stereo Amplifier Connector B (28P)
Stereo Amplifier Connector C (8P)

STEREO AMPLIFIER CONNECTOR A (18P) (female terminals) 

GHH195872Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
A1 GND Ground for stereo amplifier (G303)
A2 SUBW SP+ Outputs sound signal for subwoofer
A3 +B AUDIO AMP Continuous power source
A4 SUBW SP- Outputs sound signal for subwoofer
A5 FL SPKR+ Outputs sound signal for driver's door speaker
A6 FL SPKR- Outputs sound signal for driver's 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 RL SPKR- Outputs sound signal for left rear door speaker
A10 RL SPKR+ Outputs sound signal for left rear door speaker
A11 CTR SP+ Outputs sound signal for front center speaker
A12 FR SPKR- Outputs sound signal for front passenger's door speaker
A13 FR SPKR+ Outputs sound signal for front passenger's door speaker
A14 FL TW+ Outputs sound signal for left front tweeter
A15 FL TW- Outputs sound signal for left front tweeter
A16 FR TW+ Outputs sound signal for right front tweeter
A17 FR TW- Outputs sound signal for right front tweeter
A18 CTR SP- Outputs sound signal for front center speaker

STEREO AMPLIFIER CONNECTOR B (28P) (female terminals) 

GHH195873Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
B1 AUD F MIX GND Not used
B2 ANC R- Inputs noise cancelling signal from ANC/active sound control unit
B3 ANC F- Inputs noise cancelling signal from ANC/active sound control unit
B4 AUX NAVI GND Ground for audio signal of voice guidance and Voice Recognition (VR) prompts
B5 Not used - - -
B6 RR SP PRE+ Inputs sound signal for right rear channel
B7 RL SP PRE+ Inputs sound signal for left rear channel
B8 FR SP PRE+ Inputs sound signal for right front channel
B9 FL SP PRE+ Inputs sound signal for left front channel
B10 SUBW PRE+ Inputs sound signal for subwoofer channel
B11 CTR PRE+ Inputs sound signal for front center channel
B12 Not used - - -
B13 SWD+B Inputs signal for stereo amplifier switching on/off
B14 RS485- Communication signal to audio-navigation unit
B15 AUD F MIX Not used
B16 ANC R+ Inputs noise cancelling signal from ANC/active sound control unit
B17 ANC F+ Inputs noise cancelling signal from ANC/active sound control unit
B18 Not used - - -
B19 AUX NAVI Inputs front audio signal of voice guidance and Voice Recognition (VR) prompts
B20 RR SP PRE- Inputs sound signal for right rear channel
B21 RL SP PRE- Inputs sound signal for left rear channel
B22 FR SP PRE- Inputs sound signal for right front channel
B23 FL SP PRE- Inputs sound signal for left front channel
B24 SUBW PRE- Inputs sound signal for subwoofer channel
B25 CTR PRE- Inputs sound signal for front center channel
B26 Not used - - -
B27 Not used - - -
B28 RS485+ Communication signal to audio-navigation unit

STEREO AMPLIFIER CONNECTOR C (8P) (female terminals) 

GHH195874Courtesy of HONDA, U.S.A., INC.
Cavity  Terminal Name  Description 
C1 SAT R SP+ Outputs sound signal for right rear speaker
C2 SAT R SP- Outputs sound signal for right rear speaker
C3 SAT L SP+ Outputs sound signal for left rear speaker
C4 SAT L SP- Outputs sound signal for left rear speaker
C5 Not used - - -
C6 Not used - - -
C7 Not used - - -
C8 Not used - - -