Audio-navigation Unit Inputs and Outputs for Connector D (20P)

WARNING: This page is about a different car, the 2013 Honda Fit and 2012 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Audio-Navigation Unit Connector D (20P) Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

AUDIO-NAVIGATION UNIT CONNECTOR D (20P)

Terminal Number	Wire Color	Terminal Name	Description	Voltage (about)	Symptom
1	PNK	+ B	Continuous power source	Battery voltage	If open: Display picture goes out (display back light still on). NOTE: System will reboot to enter code screen. If short to ground: Blows fuse No. 1 (10 A) in the under-dash fuse/relay box.
2	GRN	BACK LT-	Reverse signal of select lever (A/T) or shift lever (M/T) from multiplex integrated control unit	In reverse, battery voltage: Otherwise 0 V	If open: Navigation never sees the reverse signal when in reverse. Diagnostic screen Car Status, Back = 0. If short to ground: Blows fuse No. 1 (10 A) in the under-dash fuse/relay box.
11	BLK	GND	Ground for audio-navigation unit	0 V	If open: No effect on system. If short to ground: No effect on system.
18	GRY	HFT-NAVI MIC SH	Shield for terminals No. 19 and No. 20	0 V	If open: No effect on voice control. If short to ground: No effect on voice control.
19	GRN	HFT-NAVI MIC-	Inputs sound signal for microphone	0 V	If open/short: Mic icon shown as red in System Links.
20	YEL	HFT-NAVI MIC +	Inputs sound signal for microphone	4-6 V (Navigation TALK button pressed)	If open: Mic icon shown as red in System Links. If short to ground: No effect on voice control.