Honda 2007 Acura RL User Manual page 33

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL
(1)
(Shield jog) dial signal
19
DISP BUS(-)
20 RED (Display bus
negative)
(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 INPUTS AND OUTPUTS
Fig. 16: Identifying Navigation Unit Connector B (14P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NAVIGATION UNIT CONNECTOR REFERENCE
Terminal Wire Terminal
Number Color
RGL(+) (Route
5 GRN guidance voice
left positive)
MIC SIG (+)
6 GRN (Mic signal
positive)
STRG SW
(Steering
10 PUR
wheel
switches)
2007 Acura RL
Data bus (-) GA-Net
Description
Name
Left audio signal of
voice guidance, and
Voice Recognition
(VR) prompts
Microphone output
signal positive
Steering wheel switch
output
-
0-5 V pulses If open: Navigation buttons
2.5 V average do not work.
(depends on If short to ground: Hard
BUS traffic) buttons work OK.
Voltage
(about)
If open: If voice activated, the
Audio front speakers buzz; if voice
signal off, no effect.
0.004-0.04 If short to ground: If voice
V activated, the front speakers
buzz; if voice off, no effect.
If open: No microphone signal
shown in diagnostic screens:
"Navi System Link" and
4-5 V
Functional Setup "Mic Level."
(TALK
If short to ground: No
button
microphone signal shown in
pressed)
diagnostic screens: "Navi
System Link" and Functional
Setup "Mic Level."
4-5 V
(TALK If open: Steering wheel TALK
button and BACK buttons do not
pressed) work.
2.5-3 V If short to ground: Steering
(BACK wheel TALK, and BACK
-
Symptom