Navigation Unit Inputs and Outputs for Connector D (12P)

Fig 1: Identifying Navigation Unit D (12P) Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Navigation Unit Connector D (12P)

WIRE COLOR REFERENCE CHART

Terminal Number

Wire Color

Terminal Name

Description

Voltage (about)

Symptom

GRN

NAVI GUIDE

Steering wheel switch output

4-5 V (navigation TALK button pressed) 2.5-3 V (navigation BACK button pressed)

If open: Steering wheel navigation TALK, and navigation BACK switch/buttons do not work.
If short to ground: Steering wheel navigation TALK, and navigation BACK switch/buttons do not work.

YEL

AC SI

A/C input signal

0-battery voltage pulses

If open: voice control does not work.
If short to ground: Voice control does not work.

RED

AC SO

A/C output signal

0-battery voltage pulses

If open: A/C voice control does not work.
If short to ground: A/C voice control does not work.

BRN

MIC GND

Ground for microphone signal

0 V

If open: No microphone signal shown in diagnostics: Navi System Link and Functional Set up Mic Level.
If short to ground: No effect on voice recognition.

YEL

MIC SIG +

Microphone output signal positive

4-5 V (with navigation 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.

GRY⁽¹⁾

MIC SHIELD

Shield for terminal No. 7, 8

0 V

If open: No effect on voice recognition.
If short to ground: No effect on voice recognition.

BLU

AC CK

Time set sync signal

0-battery voltage pulses

If open: A/C voice control does not work.
If short to ground: A/C voice control does not work.

⁽¹⁾	The shielded wires have a heat-shrunk 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 listed on the schematic.