LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2007 >> RDX >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio System >> System Description >> Audio Unit Connector for Inputs and Outputs >> Audio Unit Connector C (28P)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Audio Unit Connector C (28P)

Fig 1: Identifying Audio Unit Connector C (28P)
G06223012Courtesy of AMERICAN HONDA MOTOR CO., INC.

Audio Unit Connector C (28P) 

Audio Unit Connector C (28P) TERMINAL REFERENCE

Cavity Wire Connects to
C5 ORN Audio-HVAC subdisplay unit (PNL CE)
C6 GRY(2) Audio-HVAC subdisplay unit(PNL SH1)
C7 BRN Audio-HVAC subdisplay unit (PNL 5VGND)
C8 ORN Audio-HVAC subdisplay unit (LCD BL-)
C12 LT BLU HandsFreeLink control unit (HFL ICON)
C13 RED HandsFreeLink control unit (TELM SIG-)
C14 GRY(2) HandsFreeLink control unit (TELM SIG SH)
C15 LT GRN Climate control unit (AC-SO2)
C18 YEL Audio-HVAC subdisplay unit(PNL DATA1)
C19 BLU Audio-HVAC subdisplay unit (PNL RST)
C20 PUR Audio-HVAC subdisplay unit (PNL CLK)
C21 RED Audio-HVAC subdisplay unit (PNL +5V)
C22 GRN Audio-HVAC subdisplay unit (LCD BL+)
C23 PUR AcuraLink control unit (XM receiver) (HIP MUTE)(1)
C27 GRN HandsFreeLink control unit (TELM SIG+)
C28 LT GRN HandsFreeLink control unit (HFL MUTE)
(1) With AcuraLink
(2) The shielded wires have a heat-shrink tube insulating the outside of the wire. The color of the insulating tube, typically black or dark gray, may not match the color of the wire shown on the circuit diagram.


Fig 1: Identifying Audio Unit Connector C (28P)
G06223018Courtesy of AMERICAN HONDA MOTOR CO., INC.

Audio Unit Connector C (28P) 

Audio Unit Connector C (28P) TERMINAL REFERENCE

Cavity Wire Connects to
C3 PUR Audio switch panel (ENCORDER-)
C4 BLK Audio switch panel (PNL DATA2)
C5 YEL Audio switch panel (PNLCE)
C6 GRY(2) Audio switch panel (PNLSH1)
C7 BRN Audio switch panel (PNL 5V GND)
C8 ORN Audio-HVAC display unit (LCD BL-)
C12 LT BLU HandsFreeLink control unit (HFL ICON)(2)
C13 RED HandsFreeLink control unit(TELM SIG-)(1)
C14 GRY(2) HandsFreeLink control unit(TELM SIG SH)(1)
C15 LT GRN Climate control unit (AC-SO2)
C16 GRY(2) Audio switch panel (PNL SH2)
C17 LT BLU Audio switch panel (ENCORDER+)
C18 RED Audio switch panel (PNLDATA1)
C19 GRN Audio switch panel (PNL RST)
C20 WHT Audio switch panel (PNLCLK)
C21 RED Audio switch panel (PNL+5V)
C22 GRN Audio-HVAC display unit (LCD BL+)
C27 GRN HandsFreeLink control unit(TELMSIG+)(1)
C28 LT GRN HandsFreeLink control unit (HFL MUTE)(1)
(1) With HFL
(2) The shielded wires have a heat-shrink tube insulating the outside of the wire. The color of the insulating tube, typically black or dark gray, may not match the color of the wire shown on the circuit diagram.
scientia non olet · About LEMON Manuals