Honda Civic. Manual — part 913

1. Remove the key from the ignition.

Does the navigation screen stay on?

YES -Go to step 2.

NO -The system is OK at this time.

2. The vehicle may have been used as a demonstration vehicle at an event like an

auto show. In these events, power is often jumpered to the navigation system
so that the ignition key is not needed in the vehicle. At the end of the show, the
jumper wire may not have been removed. Check the navigation unit connector
A (17P) for a non-factory jumper wire in series with the factory cable.

Is there a jumper wire?

YES -Remove the jumper wire, and re-test. Return the jumper wire to Tech
Line.

NO -Go to step 3.

3. Check if the audio unit works.

Does the audio unit work with the ignition switch off?

YES -Troubleshoot the ACC circuit for a short to power with another circuit.

NO -Replace the navigation unit (see NAVIGATION UNIT
REMOVAL/INSTALLATION).

NAVIGATION CANNOT CONTROL AUDIO SYSTEM

1. Make sure the anti-theft code for the navigation system is entered.

re-initialize the navigation system, then enter the audio
presets.

Check for aftermarket accessories that use the same
power circuit. A feedback can cause this problem.

2008 Honda Civic EX

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

2. Go into the Diagnostic Menu and use the Navi System Link test (see SYSTEM

DIAGNOSTIC MODE).

Is the Radio icon red?

YES -Do the troubleshooting for the voice guidance cannot be heard (see GPS
ICON IS WHITE OR NOT SHOWN).

NO -Go to step 3.

3. Substitute a known-good navigation unit (see NAVIGATION UNIT

REMOVAL/INSTALLATION), and recheck.

Can the navigation control audio?

YES -Replace the navigation unit (see NAVIGATION UNIT
REMOVAL/INSTALLATION).

NO -Do the audio system troubleshooting.

NAVIGATION CANNOT CONTROL XM RADIO

Review the audio system diagnostic article.

If you can only tune to channels 000, 001, 174, and 247, make sure the audio
unit is set to the channel mode (see owner's manual), if is set to channel mode,
call XM satellite radio customer support and check the account activation
status.

1. Substitute a known-good navigation unit (see NAVIGATION UNIT

REMOVAL/INSTALLATION), and recheck.

Can the navigation control the XM radio?

YES -Replace the navigation unit (see NAVIGATION UNIT
REMOVAL/INSTALLATION).

NO -Do the audio system troubleshooting.

2008 Honda Civic EX

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

NAVIGATION FREQUENTLY ASKS FOR ANTI-THEFT CODE AND NEEDS GPS

INITIALIZATION

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

17 and body ground.

Fig. 36: Measuring Voltage Between Navigation Unit Connector A (17P)
Terminal No. 17 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 2.

NO -Repair open in the wire between the under-dash fuse/relay box and the
navigation unit.

2. Turn the ignition switch to ON (II).
3. Measure the voltage between navigation unit connector A (17P) terminal No.

14 and body ground.

2008 Honda Civic EX

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

Fig. 37: Measuring Voltage Between Navigation Unit Connector A (17P)
Terminal No. 14 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 4.

NO -Repair open in the wire between the under-dash fuse/relay box and the
navigation unit.

4. Measure the voltage between navigation unit connector A (17P) terminal No. 9

and body ground, and between navigation unit connector C (12P) terminal No.
4 and body ground.

Fig. 38: Measuring Voltage Between Navigation Unit Connector A (17P)
Terminal No. 9 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 39: Measuring Voltage Between Navigation Unit Connector C (12P)
Terminal No. 4 And Body Ground

2008 Honda Civic EX

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