2006 ACURA CSX set clock

Symptom DuplicationService Precautions
System Initialization
23-92 Navigation System
General Troubleshooting Information (cont’d)
 If you can duplicate the symptom, compare it to a
known-good vehicle. Only use a vehicle of the same
model, same year, same trim, and same software
version. If you can duplicate the symptom in the
known-good vehicle, then it is a characteristic of the
system.
 When the symptom can be duplicated, follow the self- diagnostic procedures and the appropriate
troubleshooting procedures.
 When the symptom does not reappear or only reappears intermittently, ask the client about the
conditions when the symptom occurred.
– Try to establish if outside interference may be the cause.
– Try to duplicate the symptom under the same conditions the client experienced.
– Vibration, temperature extremes, and moisture (dew, humidity) are factors that are difficult to
duplicate.
– Inspect the vehicle for aftermarket electronic devices (vehicle locators, radar detector amps, etc.)
that may be hidden.
When troubleshooting navigation system problems,
ensure that the known-good vehicle is the same
software version year and model as the vehicle being
serviced. Mixing incompatible navigation DVDs or
other system components can delay the
troubleshooting process by creating effects unrelated to
the original problem.  If you need to replace the navigation unit, inform the
customer that personal information in the navigation
system may be lost. If possible, have the client record
their personal information before the unit is replaced
On ’07-08 models you can back-up the navigation
data and transfer it to a new navigation unit. See save
users memory (see page 23-150).
 Before disconnecting the battery, make sure you have the anti-theft codes for the audio and the
navigation system, and write down the audio presets.
Also obtain any PGM-FI or transmission DTCs and
freeze frame date (which are lost when the ECM/PCM
loses power).
 When the battery is disconnected, the internal GPS clock is reset to 0:00. The clock will reset to the
correct time after the system finishes GPS
initialization.
 After reconnecting the battery, you have to wait to get the initial signal from the satellite. It will take from 10
to 45 minutes.
 Before returning the vehicle to the client, enter the audio and navigation anti-theft security code, then
enter the audio presets.
 Adjust the setup clock settings (time zone and daylight savings) in the navigation system.
If the navigation system loses power (like the battery
was disconnected), the navigation system requires
initialization. Once completed, your system is ready to
use.
This initialization requires the following:  Entering the 4-digit anti-theft security code to unlock the system
 GPS initialization (may not be needed depending of the length of time the system was without power)
 Map matching to align the GPS to a location on the map
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SymptomDiagnostic procedure Also check for
23-100Navigation System
Symptom Troubleshooting Index (cont’d)

















Navigation display stays on with
ignition switch in LOCK (0)
Symptom Troubleshooting
(see page 23-129) Harness/fuses/switches
Aftermarket accessory connected to
the system
DVD read error messages Symptom Troubleshooting (see page 23-127) Navigation unit
Wrong color DVD installed
Damaged DVD
Navigation system will not go
beyond the disclaimer screen and
displays the OK button See navigation display buttons do
not work or respond properly
Wrong color DVD installed
Scratched or damaged DVD
Navigation unit
The navigation anti-theft code
card is lost or missing See anti-theft feature (see page
23-90)
The vehicle icon lags behind
when the vehicle turns See self-inertial navigation
limitations (see page 23-90) Aftermarket accessories connected to
the system
GPS antenna/cable
Navigation screen is darker than
normal or takes time to brighten
when it is cold See LCD display unit limitations
(see page 23-91)
The navigation clock is off by 1 to
3 hours after replacing the
navigation unit See service precautions (see page
23-92)
Perform map matching (see page
23-94)
GPS antenna/cable
Check and adjust the clock settings
A new navigation DVD is needed See obtaining a navigation DVD (see page 23-94)
Time is not correct Reset Time Adjustment in set-up The wrong colored DVD or version is installed
The DVD is scratched or dirty See ‘‘DVD Handling and Cleaning’’ (see page 23-95)Navigation unit
The wrong DVD was installed and
now the system does not function
properly See Precaution customer Sneak
Previews (see page 23-97)
Install the correct version DVD
Check any official Honda service
website for more service information
about the navigation system
A specific city cannot be found See How to answer client questions about navigation
coverage (see page 23-97) The DVD is scratched or dirty
Refer to Database limitation in the
navigation system manual to report
database errors
The Honda Globe Screen (not the
Acura Globe Screen) appears
every time the vehicle is started Symptom Troubleshooting
(see page 23-135)
Also see the symptom The wrong DVD
was installed and now the system does
not function properly
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(#'#
)
Overview
23-101
System Description
The navigation system is a highly sophisticated, hybrid locating system.
The navigation unit uses global positioning system (GPS) satellite signals, internal yaw and vehicle speed inputs, and
a map database to show where the vehicle is and to help guide you to a desired destination.
The navigation unit’s GPS receiver receives signals from the GPS, a network of 24 satellites in orbit ar ound the earth.
By receiving signals from several of these satellites, the navigation system can determine the latitude, l ongitude, and
elevation of the vehicle.
Signals from the system’s yaw rate sensor (inside the navigation unit) detects turns, and the ECM/PCM vehicle speed
pulse (VSP) and reverse signal enable the system to keep track of the vehicle’s speed and direction of travel. The
advantage of this hybrid system is that the system can track your position if either the GPS signal or the vehicle speed
signal is missing. For instance, when in a tunnel (no GPS), the speed signal is used to update your position on the map.
Alternately, while the vehicle is being transported on a ferry, GPS signals can show the vehicle position on the map as
it crosses the water.
The navigation system uses the location, direction, and speed information to display the appropriate map and
calculate a route to the destination entered. As you drive to a destination, the system provides both visual and audio
guidance. Audio guidance is sent to the audio unit, and an RGB graphics color signal is sent to the navigation display.
This navigation system also has voice recognition that allows voice control of most of the navigation, and audio
functions. The voice control switches (navigation TALK and navigation BACK buttons on the steering wheel) activate
the voice control system. The microphone on the ce iling receives your voice commands. For more information on this
feature, consult the navigation owner’s guide.
The illumination signal is used by the navigation unit to automatically switch the display mode between the Night and
Day display modes. When the headlights are on, the dash brightness control setting full brightness overrides the Night
display mode, and allows a daytime navigation display with the lights on.
When the navigation system is giving voice guidance commands, the front speakers are muted. When the voice
control system is being used (navigation TALK button pressed), all of the speakers are muted.
The internal GA-Net II bus passes information back and forth between the navigation display, the navigation unit, and
the audio system components. The information passed on this bus are touch button commands, audio muting signal,
audio (radio and XM), and any open in these bus lines can affect the navigation system or other audio accessory
operation.
The clock on the navigation display is set and maintained by the navigation unit. The time is automatically adjusted for
daylight savings, and time zone changes while driving. The time can be adjusted in setup.
Additional information is available about the navigation components following the System Diagram. A glossary of
terms that are used throughout this section follows the detailed information.
The Navigation System Manual in the glove box covers all of the system functions and settings. Use this as a resource
when evaluating a client concern.
(cont’d)
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Î
23-102Navigation System
System Description (cont’d)
Reverse signal
GPS antenna
AM/FM antenna Speakers
Navigation unit
Navi DVD
Navigation/Audio Display Screen
CLOCK
(Set by GPS)
Stereo Amplifier
(Premium sound
system)
Color
signal
Accessory
(MusicLink,
CD changer, etc.)
XM Receiver
XM antenna
(satellite &
terrestrial)
Auxiliary jack
assembly
Audio remote
switches
(steering wheel)
Illumination
Signal
(lighted buttons)
AM/FM
receiverCD Player
(CD, MP3, WMA)
Audio
processor
PC Card Slot (for playing audio
MP3, and WMA audio files) Navi
processor
(ECU)
GPS
receiver
Yaw rate sensor
(senses turning)
DVD player
(navi maps)
GA-Net
Audio
Audio
Section
Navigaion
Section
Illumination
(Night/Day
display mode)
ECM/PCM
(vehicle speed pulses) Microphone
(on ceiling) TALK/BACK
voice buttons
(’08 model) Climate control unit
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Diagnostic System Diagram
23-111
This diagram below shows and over view of the navigation diagnostic features starting at the center and working
outward in layers. The diagram starts with Key on. From any of the navigation Map or Menu screens, press and
simultaneously hold the keys Menu, MAP/GUIDE, and Cancel.
Finally, the diagram shows the available diagnostic menu choices, starting at the bottom left, and moving clockwise.
In most cases, do not clear or change settings in any diagnostic screen unless instructed to do so in the explanation, or
by the factory. If the factory asks you to insert a PCMCIA memory card into the PC card Slot, then the features specified
on the diagram with PC card are available.(cont’d)
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GPS Information
23-142Navigation System
System Diagnostic Mode (cont’d)
 ILL-Illumination Indication
(Navigation unit connector A (17P) terminal No. 10)
a) OFF (0) when parking lights, or headlights are off
b) ON (1) when parking lights, or headlights are on
The navigation unit uses the signal to determine
whether to put the navigation screen into the Day or
Night brightness mode. (Setup screen 1)
 Display-this displays the current position of the display
a) (Close) when the display is closed
b) (Open) when the display is open
The navigation unit has a micro switch to detect this. If
open is indicated when the display is closed, replace
the navigation unit. This screen shows the current status of GPS reception.
The circular diagram shows the current location of the
GPS satellites (yellow balls) as they would appear in the
sky. The outer circle represents the horizon (0 degrees
elevation). The middle and inner circles represents 30
and 60 degrees respectively. The very center of the
diagram (90 degrees elevation) is directly overhead.
Nearby obstructions, like tall buildings, will block
satellites in that direction. That is why it is necessary to
be in an open area to effectively troubleshoot GPS
reception issues. The satellites shown on the diagram
correspond to the PRN number in the GPS Details
screen. There are always 24 active GPS satellites in
orbit. Because satellites fail, and have to be removed
from service, spares are always parked in orbit, ready
to be activated. This is why the PRN (satellite ID
number) can be greater than 24.
NOTE:
 When you use this screen for troubleshooting, park the vehicle outside, away from buildings, tall trees,
and high-tension wires for at least 10 minutes with
the engine running.
 Metallic window tinting on the front or side window or after-market electronic accessories mounted near
the navigation unit, GPS antenna, or navigation
display can interfere with GPS acquisition.
 The Number of Satellites box shows the number of acquired satellites (maximum of 12). It should contain
4 or more icons. If not, troubleshoot for GPS icon is
white or not shown (see page 23-122).
 The Current Position shows latitude, longitude, and elevation (in meters). If there are less than 4 satellites,
the elevation can be grossly inaccurate.
 The Date/Time field shows the current date, and also a time that includes daylight savings and other
offsets entered by the client in Setup function Adjust
Time Zone/Clock.
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GPS Detail
23-143
GPS Information
GPS DetailReturn
Number of Satellites
Current Position Latitude: Nxx°xx’xx
Elevation: 0 feet Longitude: Exxx°xx’xx
xxxx.xx.xx xx:xx:xx
Return
In Use
Search
TS:xx
AS:xxHDop:xx.x
VDop:xx.x
Speed: x.xMi/h
Direction: x ° Date :xxxx.xx.xx
Time:xx:xx:xx
xx
PRN
xx
xx
xx
xx
xx xx
ST
xx
xx
xx
xx xx xxx
xxx
xxx
xxx
xxx
xxx
AZI
xx
EL
xx
xx
xx
xx
xx xxx
C/N
xxx
xxx
xxx
xxx xxx xx
ACC
xx
xx
xx
xx
xx
3D
1/2
NOTE:
Push and hold the Map/Guide button, and the dots on
the diagram are replaced with the PRN (satellite
numbers). These numbers correspond to the numbers
in the PRN column on the GPS details screen. By pressing and holding the MENU button for
10 seconds, a GPS Detail screen appears. This screen
displays real time incoming satellite positional data.
Most of the information shown on this screen is for
factory use, however some of the data can indicate
partial GPS signal interference.
NOTE: The data shown is an example only.
 The box TS/AS and HDop/VDop is for factory use.
 The Speed and Direction information is updated in real time when driving, and can be used to detect
intermittent speed sensor problems.
 The Date/Time Information is the same as in Setup screen 2 Adjust Time Zone/Clock.
 If the 3D icon is shown above the yellow dots, this implies that at least 4 satellites are available for map
positioning, and the GPS indicator on the map screen
will be green. See the Global Positioning System
detailed explanation in the System Description
(see page 23-106).
 If the row of data in the table below begins with a yellow dot, the AZI and EL fields can be used to locate
each satellite PRN on the circular GPS diagram (see
prior screen).
(cont’d)
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µµµ
ColumnDescription Problem indication
Yaw Rate
23-144Navigation System
System Diagnostic Mode (cont’d)
The table of values shown define the terms at the top of
the columns in the GPS detail screen.
3D Active satellites (Yellow Dot) If 3D is missing
follow GPS icon is
white or not shown
(see page 23-122).
PRN The satellite ID number
ST The status: 0 = cannot view or
searching,
2 = acquiring If all 0, then, follow
GPS icon is white
or not shown
troubleshooting
(see page 23-122).
AZI Azimuth, the angle (0 360) clockwise
from north
EL Elevation from the horizon
(90 deg is overhead)
C/N N/A Healthy signal is 49 52,
no signal: 27 33
ACC N/A This diagnostic checks the yaw rate sensor in the
control unit. This device detects when the vehicle turns,
and repositions the vehicle position icon on the map
screen. For more detailed information, see the yaw rate
sensor theory of operation under System Description
(see page 23-105).
 Sensor indicates the voltage output from the yaw rate sensor. It should indicate about 2.500 V when the
vehicle is stopped.
 Offset is the reference voltage or standard within the yaw rate sensor. It also should indicate about 2.500 V
when the vehicle is stopped.
 A sensor output voltage LOWER than the Offset voltage indicates that the vehicle is turning to the
right.
A sensor output voltage HIGHER than the Offset
voltage indicates that the vehicle is turning to the left.
 The yaw rate offset and sensor should both indicate about 2.500 V when the vehicle is stopped. If either
reads zero or 5.000 V, replace the navigation unit.
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