Navigation Unit Inputs and Outputs for Connector B (14P)

WARNING: This page is about a different car, the 2008 Acura TSX, 2007 Acura TSX, and 2006 Acura TSX. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Navigation Unit Inputs And Outputs Connector B (14P)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

NAVIGATION UNIT INPUTS AND OUTPUTS FOR CONNECTOR B (14P)

Terminal Number	Wire Color	Terminal Name	Description	Voltage (about)	Symptom
5	WHT/GRN	RGL (+) (Route guidance voice left positive)	Left audio signal of voice guidance, and Voice Recognition (VR) prompts	Audio signal 0.004-0.04 V	If open: If voice activated, radio speakers buzz; if voice off, no effect. If short to ground: If voice activated, radio speakers buzz; if voice off, no effect.
6	BLU	MIC OUT (+) (Mic signal positive)	Microphone output signal positive	4-5 V (TALK button pressed)	If open: No microphone signal shown in diagnostic screens: "Navi System Link" and Functional Setup "Mic Level". If short to ground: No microphone signal shown in diagnostic screens: "Navi System Link" and Functional Setup "Mic Level".
10	GRY	STRG SW (Steering wheel switches)	Steering wheel switch output	4-5 V (TALK button pressed) 2.5-3 V (BACK button pressed)	If open: Steering wheel "TALK", and "BACK" buttons do not work. If short to ground: Steering wheel "TALK", and "BACK" buttons do not work.
11	LT GRN	SH RG (Shield route guidance)	Shield for terminal No. 5,12	0 V	If open: No effect on voice output. If short to ground: No effect on voice output.
12	GRN	GND RG (Ground route guidance)	Ground for voice guidance, and Voice Recognition (VR) prompts	0 V	If open: No effect on voice output. If short to ground: No effect on voice output.
13	LT BLU	MIC OUT SH (Shield mic)	Shield for terminal No. 6, 14	0 V	If open: No effect on voice control. If short to ground: No effect on voice control.
14	PNK	MIC OUT GND (Ground mic)	Ground for microphone signal	0 V	If open: No microphone signal shown in diagnostics: "Navi System Link" and Functional Setup "Mic Level". If short to ground: No effect on voice recognition.