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Glossary
Item Definition
23-287
The following is a glossary of terms pertaining to the Voice Recognition Navigation System.Active noise cancellation
(ANC) The active noise cancellation system cancels some of the vehicle noise. This occurs in the 1,500 2,400 rpm
range. Microphones detect the low frequency sound, and the system outputs a canceling sound from the
audio speaker.
Address Book The HFL system can import a copy of the phone book from and approved HFL compatible phone and display the imported phone book on the navigation screen as the address book. See the Owner’s Manual for more
information.
B-CAN Body CAN Bus (see CAN)
Bread-crumbs (White dots) Off road tracking dots that can be followed on the map to retrace your route back to a mapped (digitized) road. This function can be turned on/off in Setup screen 1.
CAN Controller Area Network. This communication network allows processors in the vehicle to send/receive information. The fuel pulses used by the MID trip computer are received from the ECM/PCM using the F-CAN
(Fast Controller Area Network) bus.
CPU Central Processing Unit. The main device within the navigation unit that coordinates the rest of the electronic functions.
CSS Countershaft (Output) Speed Sensor. This sensor reads the output shaft speed at the transmission and provides a speed pulse to the ECM/PCM.
Database This consists of the Map data, and the POI (Points Of Interest) data stored on the DVD.
DBW Drive By Wire. Allows electrical control of the throttle without the need of a mechanical linkage.
DCA Detailed Coverage Area. Main metropolitan areas in the Lower 48 states, and Canada are mapped to this level. See the navigation system manual for a list of these areas.
DTC Diagnostic Trouble Codes. Use the HDS tablet to obtain, and troubleshoot the cause of these codes.
Dead reckoning The use of the speed signal, and yaw rate sensor to position the vehicle on the map even when tall buildings, or driving in a tunnel obscures the GPS signal.
Digitized road A road that appears on the navigation screen. The road name appears at the bottom of the navigation screen. If the user drives off road, the navigation system displays not on a digitized road, and after 1/2 mile, the
bread-crumbs appear.
Disclaimer screen Screen containing cautionary information. It is meant to be read carefully, and acknowledged by the customer when using the navigation system.
DVD or DVD-ROM Digital Versatile Disk. The navigation program and database resides on this disk. See the Navigation Owner’s Manual for information on how to order a replacement or an update DVD.
ECM Engine Control Module. Typically referred to as the ECM.
FAQ Frequently Asked Questions. See the navigation system manual for a list of the customer FAQs, and troubleshooting information.
F-CAN Fast CAN Bus (see CAN)
GA-NET The GA-NET allows the audio unit to communicate with all the audio and navigation components in a vehicle. If there is an open in the GA-NET, components or the entire audio and navigation system may
appear inoperative.
GPS Global Positioning System. A network of 24 satellites in orbit around the earth. The navigation system can simultaneously receive signals from up to 12 satellites to accurately position the vehicle on the map.
HDS Honda Diagnostic System. A hand held tablet PC used for diagnosing vehicle problems. This device can be used to obtain DTC codes for diagnosis of the navigation system and CAN related problems.
HFL HandsFreeLink uses Bluetooth technology as a wireless link between it and an approved Bluetooth compatible cell phone. See Vehicle Owner’s manual or Quick Start Guide for more information.
HIP (AcuraLink) Honda Information Platform (see AcuraLink)
H/U Head Unit. The audio unit in the dash.
Initialization This refers to the period needed to re-acquire the GPS satellite orbital information whenever the navigation system power has been disconnected. This can take from 10 to 45 minutes.
Interface Dial This control device consists of a rotating knob and the buttons surrounding it. This device allows control of the navigation, audio, and climate functions displayed on the screen.
Jog Dial See interface dial.
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ItemDefinition
23-288Navigation System
System Description (cont’d)
LCD
Liquid Crystal Display (the navigation screen)
Map matching The received GPS information allows the navigation system to position the vehicle on the map. MAP
matching has occurred if the map screen displays the current street name in the bottom-shaded area.
Mic Abbreviation for the microphone used for receiving voice commands. It is located near the map light in the
ceiling. The ANC circuit may also use it to check its tuning.
MID Multi-Information Display
MW Maneuver Window. While on route to a destination, this window displays information about the next
maneuver.
Navi Abbreviation for the Navigation System.
Off-road tracking See bread-crumbs.
Off route This occurs when the user leaves mapped roads. Off road tracking dots (bread-crumbs) are displayed If the
option is enables in the setup menu. The user can use them to return to a mapped road. The bottom of the
navigation screen displays not on a digitized road.
Outlying areas These are rural areas that typically have only their main roads mapped. All other roads are shown in light
brown for reference only, since the have not been verified.
Paired Linking your call phone to the HFL.
PC Card Slot The PC Card (PCMCIA, type II) slot is for factory use only. Make sure that the sliding door is closed at all
times, if opened, an error message is displayed on the screen.
PCM Powertrain Control Module. This unit supplies the navigation system speed signal, also refered to as PCM.
PCMCIA A computer industry defined term referring to the PC Card slot standard.
PIN Personal Identification Number, a random 4 digit number created by the customer to protect personal
information.
POI Point Of Interest. These are the businesses, schools, etc. found under the places option on the main menu.
Polygon Colored areas on the map screen denoting parks, schools, etc. See the Navigation System Manual Driving to
Your Destination for a list of the assigned colors.
QWERTY Keyboard layout resembling the typewriter keys. The keyboard layout can be changed to an alphabetical
layout in the Setup mode.
SCS connector The service check signal 2-pin connector used to put the navigation system into the diagnostic mode.
Security code Code needed to activate the navigation system. You can get the security code from the in by entering the
navigation unit serial number. You can find the serial number on the diagnostic screens (unit check, Navi
ECU), or on the underside of the navigation unit.
Tuning A continual update of internal navigation system scaling factors. See the individual sensor tuning
discussions under either System Description, or System Diagnosis Mode (see page 23-297).
Unverified streets These streets have not been verified for turn restrictions, one-way, etc. They appear light brown on the map.
You can enter address destinations in these areas, but depending on your Unverified. Routing choice in
setup, voice guidance may end at the last verified street closest to your destination.
USB Universal Serial Bus. The USB is used for playing the compressed audio files (MP3, WMA, and AAC) on the
external device through the audio unit.
Verified streets These streets consist of the detailed metropolitan coverage areas, and other inter-town connection roads.
These roads are shown in black or red on the map. (interstates are red)
VP Vehicle Position. When in map mode, this circular icon shows the vehicle position on the map.
VR Voice Recognition. This allows voice control of many of the navigation functions. The hardware consists of
the microphone, voice control switch (navigation TALK/BACK buttons), and the center speaker. See the
overview for more information.
VSP Vehicle Speed Pulse. This pulse signal coming from the PCM (VIA the CSS) is used to update the Vehicle
position on the map. These pulses do not indicate direction (forward or backward). When in reverse, the
navigation receives a signal and directs the VP to move backwards on the map.
XM This device receives information from the XM satellites and passes XM audio information to the audio unit.
In addition, traffic information is sent to the navigation unit.
Yaw sensor This device is located in the navigation system control unit and senses the side-to-side twisting force
generated when the vehicle turns. See a detailed description of how this sensor works in system description.
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23-296Navigation System
Circuit Diagram
A10 A9
BRN10
BRN
3 CABLE REEL
A5 A29
D1 CABLE REEL GRN
RED/BLK
BACKTALK
5
GRY
GPS
H1
H2
VSP BLU
A15
PNK BLU NAVIGATION UNIT
HFL-VOICE CONTROL SWITCH
8
GRN 680
10 k
2.2 k
GPS
ANTENNA
No. 14 (7.5 A) FUSE
(In the under-dash
fuse/relay box) DASH LIGHTS
BRIGHTNESS
CONTROLLER
AUDIO
REMOTE
GND VSP
GPS
XM
RECEIVER A3BRN K-LINE
MICU
A14
PUR
Q14 Q4
GRNA4
A3
LT BLU
Q8 Q1
WHT
WHT
UNDER-DASH FUSE/RELAY BOX A1
A13
A24 C1
C7
WHT B
BACK UP
BACK
LT
B
BACK UP
SCTY
RADIO
ACC
RADIO
G2 RED
GRY
ILL
ILL
RED
ORN ACC HOT in ACC (I)
and ON (II)
ACC
BAT
IGNITION
SWITCH
C2
WHT
BRN
No. 23
(10 A)
UNDER-HOOD FUSE/RELAY BOX
BATTERY
H1
D4 No. 2
(IG)
(50 A)
E15
No. 35
(7.5 A) No.14(7.5A)FUSE
(In the under-dash
fuse/relay box)
DASH LIGHTS
BRIGHTNESS
CONTROLLER
GPS
SH
GA-NET
BUS
GA-NET
BUS
GA-NET
BUS SH *:
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.
:GA-NET
:Shielding
28 27
D9
RED
D7 D8
GRN
MIC
GND MIC
SIG MIC
SIG
MIC
GND
MIC
SH MIC MIC
21
GRY BRN YEL
14 13
12
MIC SH MIC MIC
GRY
B10 8
HFL/NAVI
COMM SH
GRY GRY
B24 RED 7
21 20
GRN
B11
B23
BLK HFL/NAVI
COMM1
HFL/NAVI
COMM2
HFL/NAVI
COMM3
B12 WHT 6
HFL/NAVI
COMM4
HFL
SWITCH
A10 A9
BRNE3
E10
PNK BLU E9
USB
ADAPTER
UNIT A3BRN
GA-NET
BUS
GA-NET
BUS
GA-NET
BUS SH GA-NET
BUS
GA-NET
BUS
GA-NET
BUS SH
PNK BLU
A12
G504
G505 BLK
BLK
GND RADIO
GNDHFL/NAVI
COMM1
HFL/NAVI
COMM2
HFL/NAVI
COMM3
HFL/NAVI
COMM4 HFL/NAVI
COMM SH
NAVI
GUIDE
No. 1 (BAT) (100 A)
ECM/PCM
(VEHICLE
SPEED SIGNAL)
YEL AC
SI
RED AC
SO
CLIMATE
CONTROL
UNIT
BLUAC
CLK
D5
D6
D12
C4 ORN
MOONROOF
SWITCH MIC
ADPTHFL-NAVIGATION
MICROPHONE
3
* *
*
**
*
*
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Start-up procedure and Diagnostic Menu System Links
23-297
System Diagnostic Mode
Return System LinksHelp
Exit Diag
ReturnReturn
Navi.ECUSelect Diagnosis Items Self- Diagnosis Mode
Detail Information & Setting
(Navi will check internal function. connections, etc.
Perform this test with vehicle stopped and engine running.)
(Individual Diagnostic screens to confirma specific diagnostic screen.)
XM
Error
History
Yaw
Sensor Car Status
ECU Info. Hard Key
DVD Mic
HFL
Press any icon if you want to see details. GPS Ant. R. Camera
Display Radio
A/C
Start the vehicle, and at the disclaimer screen use the
navigation display hard buttons as described below:
Make sure the battery is in good condition, then press
and hold the three buttons MAP/GUIDE, MENU, and
CANCEL, for about 3 seconds. The display screen goes
directly to the Select Diagnosis Items menu shown
below.
Self-Diagnosis Mode (runs the automatic diagnosis of the navigation system)
Detail Information & Setting (allows you to manually diagnose the navigation system) 1. By selecting Self-Diagnosis Mode from the
navigation screen main menu. The message at the
bottom of the screen flashes indicating the
diagnostic is running. Make sure you enter the
audio anti-theft code.
NOTE: The system cannot complete a full diagnosis unless the engine is running.
DTC 2703 can be stored when the ignition switch is at ACCESSORY (I). With the ignition switch is
in ACCESSORY (I), the climate control unit is
turned off and the navigation unit loses
communication and stores DTCs. Therefore,
there is a possibility that the system is normal
even DTC 2703 is stored. Check system links with
the engine running, and if it shows normal, the
system is OK at this time.
2. Select the icon you want to diagnose. Push in the select the icon to see the details of that diagnostic
function.
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Icon
Colors Description
23-298Navigation System
System Diagnostic Mode (cont’d)
The System Links function runs automatically and
displays a flashing message at the bottom of the
screen reminding you to have the engine running
for the test. The diagnostic tests the following:
Most of the wires connecting the navigation components shown in the block diagram.
The results from the various components shown in the block diagram.
The microphone is tested by listening to the bong sound produced by the navigation unit from the
speakers when the diagnostic is started. This
requires that the audio system be operating
normally.
When the diagnostic finishes, the icons turn
different colors based on their test status. The color
definitions are shown below and can also be seen
by selecting Help on the System Links screen.
The indication on the screen may not change until
you exit and reenter the Self-Diagnosis mode. In
some cases, you may have to restart the engine for
the indication to change. After you repair the
affected component or harness, repeat this
diagnostic. Explanation of each icon
Each icon color is explained in the table below.
Green The system ran a diagnosis and the results are OK.
Red Errors that require replacement of hardware or harness. Examples
are connection error or memory
diagnosis errors. Troubleshooting
for DTCs.
Yellow Errors that doesn’t require hardware replacement, such as an
open display cover, an incorrect
DVD, leaving the vehicle in
ACCESSORY (I), or because of a
missing accessory, like the
rearview camera.
White The diagnosis is running. The screen functions are locked out
while the diagnosis is runs.
Gray The system cannot automatically check this function. You have to
select the diagnosis item and
manually do additional testing,
like checking the navigation
buttons in the Hard Key test.
When you complete the Hard Key
test and return to the System
Links menu, the gray icon turns
green.
NOTE: By selecting the HELP icon, you can see a
description for each color.
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Hard Key
Yaw Sensor DVD
Aircon
HFL
23-308Navigation System
System Diagnostic Mode (cont’d)
Hard KeyReturn
Return
ZOOM OUT ZOOM IN
CANCEL SET UP MAP
MENU INFO
MODE CH
CH
VOL
VOL
FF
REW
RPT RDM
SEEK UP SCAN
AUDIO
CD/AUX
AM/FMSKIP
SKIP
SEEK DOWN Keep Pushing to Return.
Yaw Sensor
Zero Point Output OK OK
Output Value x.xxxV
Current Offset x.xxxV
Temperature in ECU xx°C
Return
Return
ReturnDVD
Error Detail -
Version 20050404
Maker ID 0x01
Navi Platform 0x01
Connection OK Aircon
HFL
Connection OK
This diagnostic screen checks the status of each of the
hard buttons surrounding the navigation display. When
you press each hard button, the corresponding item on
the screen should flash blue. Touch the return key, or
press and hold the joystick to exit.
NOTE: It is normal for the VOL ( , ) CH ( , ) and
MODEbuttontobeinactive.
This screen gives a quick test of the yaw sensor
functionality based on the two voltages Sensor and
Offset. For more information see the Yaw Rate
Diagnostic. This diagnostic tests the navigation DVD reader.
This diagnostic tests the climate bus connection (AC-SI
and AC-SO) between the navigation unit and climate
control unit. Make sure the engine is running for this
test.
This checks the 4 wire communication bus between the HFL and the navigation.
When connection is shown with NG, check the connection between the navigation unit and the
HandsFreeLink control unit.
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DTC 1402: DTC 1409:
YES
NO YES
NO
23-32623-326Navigation System
DTC Troubleshooting (cont’d)
Audio Error 2
Audio Error 9
NOTE:
Check the vehicle battery condition first.
Before you troubleshoot, make sure to follow the general troubleshooting information (see page
23-266).
1. Clear the hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Check for the hard error code (see page 23-273).
Check if the audio unit functions are working
properly. If any problems are found, go to the
applicable troubleshooting in audio section.
Intermittent failure, the system is OK at this
time. NOTE:
Check the vehicle battery condition first.
Before you troubleshoot, make sure to follow the general troubleshooting information (see page
23-266).
1. Clear the hard error code (see page 23-274).
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Check for the hard error code (see page 23-273).
Check the XM error codes (see page 23-194).
If any codes are detected, go to the applicable
troubleshooting in audio (XM) section.
Intermittent failure, the system is OK at this
time.
I s DT C 1402 i nd i cat ed ? I s DT C 1409 i nd i cat ed ?
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No picture is displayed
YES
NO
YES
NO YES
NO
YES
NO
23-338Navigation System
Symptom Troubleshooting
NAVIGATION UNIT CONNECTOR A (24P)
BBACKUP(WHT)
NAVIGATION UNIT CONNECTOR A (24P) ACC RADIO (PUR)
NOTE: Check the vehicle battery condition first.
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.
Check the connectors for poor connections or loose terminals.
Before troubleshooting, make sure you have the navigation system anti-theft code.
1. Check the No. 23 (10 A) fuse in the under-hood fuse/relay box and the No. 35 (7.5 A) fuse in the
under-dash fuse/relay box, and reinstall the fuse if
it is OK.
Go to step 2.
Replace the fuse and recheck.
2. Turn the ignition switch to ON (II).
3. Operate the radio and listen to the audio.
Go to step 4.
Refer to audio system troubleshooting.
4. Turn the ignition switch to LOCK (0).
5. Remove the navigation unit (see page 23-355). 6. Measure the voltage between navigation unit
connector A (24P) terminal No. 24 and body ground.
Go to step 7.
Repair open in the wire between the under-
dash fuse/relay box and the navigation unit.
7. Turn the ignition switch to ON (II).
8. Measure the voltage between navigation unit connector A (24P) terminal No. 14 and body ground.
Go to step 9.
Repair open in the wire between the under-
dash fuse/relay box and the navigation unit.
Wire side of female terminals
Wire side of female terminals
IsthefuseOK? Can y ou hear t he aud i o? Is there battery voltage?
Is there battery voltage?
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