Honda Civic. Manual — part 907

NAVIGATION UNIT INPUTS AND OUTPUTS FOR CONNECTOR H (2P)

Fig. 19: Identifying Navigation Unit Connector H (2P) Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.

TERMINALS REFERENCE CHART

(1)

SHIELD 1, 2, 5

effect on voice
recognition.

4

GRN

NAVI
GUIDE

Steering
wheel switch
output

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

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

5

ORN

MIC
ADPT

Control
signal for
microphone

0 V

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

(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.

Terminal

Number

Wire

Color

Terminal

Name

Description

Voltage

(about)

Symptom

If open: GPS icon on

2008 Honda Civic EX

2006-08 ACCESSORIES & EQUIPMENT Navigation System - Civic (Except Hybrid)

CIRCUIT DIAGRAM

1

-

GPS

GPS signal (5
V in, GPS
signal out)

5 V

screen is white,
system links screen
ANT shows NG.
If short to ground:
GPS icon on screen is
white, system links
screen ANT shows
NG.

2

-

GPS SH

Shield for
terminal No. 1

0 V

If open: GPS icon on
screen is white,
system links screen
ANT shows NG.
If short to around: No
effect on system.

2008 Honda Civic EX

2006-08 ACCESSORIES & EQUIPMENT Navigation System - Civic (Except Hybrid)

Fig. 20: Navigation System - Circuit Diagram
Courtesy of AMERICAN HONDA MOTOR CO., INC.

SYMPTOM TROUBLESHOOTING

NO PICTURE IS DISPLAYED

NOTE:

Make sure that the correct DVD color and version are
installed.

Check any official Honda service website for more
service information about the navigation system.

For problems with the rearview camera, do the rearview

2008 Honda Civic EX

2006-08 ACCESSORIES & EQUIPMENT Navigation System - Civic (Except Hybrid)

1. Check the No. 23(10 A) fuse in the under-hood fuse/relay box and No. 35 (7.5

A) fuse in the under-dash fuse/relay box, and reinstall the fuse if it is OK.

Is the fuse OK?

YES -Go to step 2.

NO -Replace the fuse and recheck.

2. Turn the ignition switch to ON (II).
3. Operate the radio and listen to the audio.

Can you hear the audio?

YES -Go to step 4.

NO -Refer to audio system troubleshooting.

4. Turn the ignition switch to LOCK (0).
5. Remove the navigation unit (see NAVIGATION UNIT

REMOVAL/INSTALLATION).

6. Measure the voltage between navigation unit connector A (17P) terminal No.

17 and body ground.

camera does not come on or work properly
troubleshooting.

Check the connectors for poor connections or loose
terminals.

Before troubleshooting, make sure you have the
navigation system anti-theft code.

2008 Honda Civic EX

2006-08 ACCESSORIES & EQUIPMENT Navigation System - Civic (Except Hybrid)