LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2003 >> MDX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Navigation System) >> System Description >> Navigation Function >> Navigation Unit Inputs and Outputs for Connector F (5P)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Navigation Unit Inputs and Outputs for Connector F (5P)

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Navigation Unit Connector F (5P) Terminals
G05488611Courtesy of AMERICAN HONDA MOTOR CO., INC.

Navigation Unit Connector F (5P) With AcuraLink 

NAVIGATION UNIT CONNECTOR F (5P) TERMINAL REFERENCE - WITH ACURALINK

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 WHT HFL COMM3 (HFL communication 3) Communication signal for HFL 5 V DC Solid red HFL icon in Navi System Link
2 RED HFL COMM4 (HFL communication 4) Communication signal for HFL 4.5 V DC Solid red HFL icon in Navi System Link
3 GRN HFL COMM1 (HFL communication 1) Communication signal for HFL 5 V DC HFL icon in Navi System Link changes between red and green
4 BLK HFL COMM2 (HFL communication 2) Communication signal for HFL 4.5 V DC HFL icon in Navi System Link changes between red and green
5 BRN(1) SH HFL (Shield HFL) Shield for No. 1, 2, 3, 4 terminals 0 V --
(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.

Navigation Unit Connector F (5P) Without AcuraLink 

NAVIGATION UNIT CONNECTOR F (5P) TERMINAL REFERENCE - WITHOUT ACURALINK

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 RED HFL COMM3 (HFL communication 3) Communication signal for HFL -- Solid red HFL icon in Navi System Link
2 WHT HFL COMM4 (HFL communication 4) Communication signal for HFL -- Solid red HFL icon in Navi System Link
3 GRN HFL COMM1 (HFL communication 1) Communication signal for HFL -- HFL icon in Navi System Link changes between red and green
4 BLK HFL COMM2 (HFL communication 2) Communication signal for HFL -- HFL icon in Navi System Link changes between red and green
5 BRN(1) SH HFL (Shield HFL) Shield for No. 1, 2, 3, 4 terminals -- --
(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.