radio antenna ACURA CSX 2006 Service User Guide

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Error code: XM NO SIGNAL or XM ANTENNA
is displayed (with navigation) XM radio display is blank and no station
information is displayed (with navigation)
YES
NO
YES
NO
YES
NO
YES
NO YES
NO
23-6823-68Audio System
Symptom Troubleshooting (cont’d)
XM RECEIVER CONNECTOR A (14P)
B(BLU)
NOTE: Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
 Check XM radio reception in an open area. Poor reception/interference can be caused by tall buildings,
mountains, or high-voltage power lines.
1. Check that the XM receiver connectors properly connected.
Go to step 2.
Reconnect the connector. If the error message
does not go away, go to step 2.
2. Check the connector at the XM antenna and XM antenna lead.
Go to step 3.
Reconnect the connector. If the error message
does not go away, go to step 3.
3. Substitute known-good XM antenna (see page 23-88).
Replace the XM antenna (see page 23-88).
Go to step 4.
4. Substitute known-good XM receiver (see page 23-82).
Replace the XM receiver (see page 23-82).
Replace the XM antenna lead. NOTE:
 Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
1. Disconnect XM receiver connector A (14P).
2. Measure the voltage between XM receiver connector A (14P) terminal No. 1 and body ground.
Go to step 3.
Repair open in the wire between the XM
receiver and the navigation unit connector.
3. Reconnect XM receiver connector A (14P).
Wire side of female terminals
I s t he connect or connect ed ?
I s t he connect or connect ed ?Is the error message gone?Is the error message gone? Is there battery voltage?
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Global Positioning System (GPS) Limitations Muting LogicLCD Unit Limitations
23-91
The GPS cannot detect the vehicle’s position during the
following conditions: Metallic window tinting above the GPS antenna.
 When only three satellite signals are received (Four satellite signals are required for accurate positioning).
 When driving near high tension power lines.
 When the satellite signals are blocked by the operation of some electronic aftermarket accessories
including, but not limited to non-OEM in-dash
entertainment units (radio, CD players/changers,
radar detectors and theft recovery systems) and cell
phones placed near the navigation system.
 When the satellite control centers are experiencing problems.
The accuracy of the GPS is reduced during these
instances:  Metallic window tinting above the GPS antenna.
 When only three satellite signals are received (Four satellite signals are required for accurate positioning).
 When driving near high tension power lines.
 When the satellite signals are blocked by the operation of some electronic aftermarket accessories
including, but not limited to non-OEM in-dash
entertainment units (radio, CD players/changers,
radar detectors and theft recovery systems) and cell
phones placed near the navigation system.
 When the satellite control centers are experiencing problems. Whenever the navigation system is giving guidance,
the front speakers are muted. When the voice control
system is being used, all of the speakers are muted.
 In cold temperatures, the display may stay dark for the first 2 or 3 minutes until it warms up.
 When the display is too hot because of direct summer sunlight, it will remain dark until the temperature
drops.
 When the humidity is high and the interior temperature is low, the display may appear cloudy.
The display will clear up after some use.
 Fingerprints on the touch panel may sometimes be noticeable because of the panel’s low-reflection
coating. Clean the screen with a soft damp cloth. You
may use a mild cleaner intended for eye glasses or
computer screens. To avoid scratching the panel, do
not rub too hard, or use abrasive cleaners, or shop
towels.
 The touch panel consists of a touch sensitive resistive membrane covering the display. Unlike previous
systems, you must actually touch the display to
activate it. Never use hard or sharp implements to
operate the screen because you risk damaging the
sensing membrane. If a touch switch does not
function immediately, shift your finger slightly, and
touch it again.
(cont’d)
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Navigation Function
Function Diagram
Vehicle Speed Pulse
23-103
STEERING BUTTONS MICROPHONE
GA Net bus AUDIO UNIT
LCD
SWITCH
Destination
DVD ROM
YAW RATE SENSOR GPS tuning
GPS RECEIVER
NAVIGATION UNIT
XM RECEIVER GPS ANTENNA Reception of radio
wave from satellite
Data pcocess
concerning map
and vehivle position
Perception of
vehicle position
ECM/PCM
(VEHICLE SPEED PULSE)
Detection of
travel distansce Detection of
vehicle position
Detection of
direction change
Correction of
map matching
Map scroll
Change of reduced
scale of map Guide
processing Audio
guidance
NAVIGATION
DISPLAY
VOICE
PROMPTS
Sensor power
NAVIGATION UNIT
ECM/PCM DISTANCE
DETECTION
CIRCUIT
The navigation system is composed of the navigation unit, the ECM/PCM (vehicle speed signal), the GPS antenna, the
microphone, the voice control switch, the XM receiver, and the climate control unit.
These units communicate with each other on the GA-Net bus.
The vehicle speed pulse is sent by the ECM/PCM. The ECM/PCM receives a signal from the countershaft speed sensor,
then it processes the signal, and transmits it to the speedometer and other systems.
(cont’d)
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23-118 Navigation System
Circuit Diagram
AC CK AC SO AC SI
BLU
BACK-UP LIGHT SWITCH (MT)
 
K-LINE
MICU
A14
PUR
Q14 Q4
GRNA4 A6
LT BLU
Q8 Q1
WHT
UNDER-DASH FUSE/RELAY BOX
ORN
BRN10
BRN
3 CABLE REEL
B6 D5 ORN 3
A29
2 1
D4 CABLE REEL GRN
RED/BLK
BACKTALK
5
GRY
GRY*
D3 BRN
D1
D2
YEL
GPS
H1
H2 G504
GND
C4
BLK
VSP
BLU
A13
ILL
ILL
F2 F4
RED YEL F3A1
A10
GRY
RED A17
C1 C7
BRN NAVIGATION UNIT
VOICE CONTROL SWITCH
8
GRN 680
10 k
2.2 k
ECM/PCM
(VEHICLE
SPEED SIGNAL)
GPS SH
GND GPS
ANTENNA
MIC SH
GND MIC
GND
MIC
SIG
NA VI
GUIDE
No. 23 (10 A)
FUSE (In the
under-hood
fuse/relay box)
MIC
ADPT
DASH LIGHTS
BRIGHTNESS
CONTROLLER
No. 14 (7.5 A) FUSE
(In the under-dash
fuse/relay box)
No.14(7.5A)FUSE
(In the under-dash
fuse/relay box)
DASH LIGHTS
BRIGHTNESS
CONTROLLER
B
BACK UP BACK
LT
No. 35
(7.5 A)
FUSE B
RADIO
SCTY
RADIO
ACC
RADIO
AUDIO
REMOTE
GND
MULTIPLEX INTEGRATED
CONTROL UNIT (MICU) (AT)
CLIMATE
CONTROL
UNIT G505
RADIO
GND
A9
BLK VSP
GPS
MIC
GND MIC
SIG
MIC
ADPT
E3
BLU
PNK
E9
BUS SH
GND
XM RECEIVER BRN*
BRN*E10
A9
A10
A3
(’08 model) BUS
(GA-NET)
BUS
(GA-NET)
AUDIO
REMOTE
SWITCHBRN
1
2
5
MICROPHONE *1:
: Shielding
This 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.
G2
BUS SH
GND BUS
(GA-NET)
BUS
(GA-NET) WHT WHT
4
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GPS icon is white or not shown Voice guidance cannot be heard, is broken
up, or there is static
YES
NO
YES
NO YES
NO
YES
NO
YES
NO
YES
NO
23-12223-122Navigation System
Symptom Troubleshooting (cont’d)
NOTE:
 Check the vehicle battery condition first.
 Make sure the vehicle is parked outside and away from buildings.
 Refer to GPS Information (see page 23-142) for realtime satellite reception display.
 Check for window tinting above the GPS antenna and any non-OEM accessories mounted near the
navigation unit or GPS antenna.
1. Check for metallic window tint on the windshield and electronic aftermarket accessories (possibly
hidden) mounted near the GPS antenna or the
navigation unit.
Remove tint or the accessories, and
recheck.
Go to step 2.
2. Go into the Diagnostic Menu, and use the Navi System Link test (see page 23-136) to check the
GPS antenna.
Use the Navi ECU test under Unit Check
(see page 23-139) to check for a kinked, crushed, or
disconnected GPS antenna wire. If necessary, try a
known-good GPS antenna. If icon is still red,
replace the navigation unit (see page 23-155).
Check that nothing is blocking the GPS
antenna located behind the gauge assembly, and
recheck. Substitute a known-good navigation unit,
and recheck. 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 that the volume setting and voice feedback are turned ON.
 Check the connectors for poor connection or loose terminals.
 Before troubleshooting, make sure you have the navigation system 4-digit anti-theft code.
 After troubleshooting, enter the navigation system anti-theft code.
1. Press the display unit SET-UP button.
2. Check the volume setting for the navigation system.
Set the volume to an audible level.
Go to step 3.
3. Check the radio operation.
Go to step 4.
Troubleshoot the audio system.
4. Go into the Diagnostic Menu, and use the Navi System Link test (see page 23-136) to check the
radio.
Troubleshoot the audio system.
Go to step 5.
5. Test the voice control switch (see page 23-156).
Replace the navigation unit (see page 23-155).
Replace the voice control switch (see page
23-157).
Is there metallic window tint or electronic accessor ies?
Is the GPS Ant icon red? Is it set to OFF?
Can y ou hear t he r ad i o?
Is the Radio icon red?I s v oi ce cont r ol sw i t ch OK ?
08/08/21 14:07:26 61SNR030_230_0125
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DVD read error messages System always comes up in in-line
diagnostic mode
YES
NO
23-12723-127
Start Diag Exit Diag
Navi.ECU
In Line Diag
GPS Antenna Display
Radio
DeleteDone
0
12
3
6
5
4
7 8
9
BACK
XXXX Correct PIN
KA
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 Navigation System Manual for a list of common DVD screen error messages and the
probable cause.
 Go into the Diagnostic Menu, and use the Car Status test (see page 23-141) to check the status of the
display.
1. Check the DVD-ROM reading surface for scratches.
Replace the DVD-ROM.
If the problem occurs occasionally when the
system is cold, this is normal. If the problem occurs
frequently when driving, replace the navigation
unit (see page 23-155). 1. When a navigation unit is powered up for the first
time at the factory, the factory diagnosis screen (In
Line Diag) appears. Normally the factory performs
the steps necessary to verify proper operation and
terminate the factory diagnostic. Until the proper
confirmation sequence is performed, the screen
will appear every time the vehicle is started.
2. Follow the steps to prevent the screen from showingupinthefuture:
 Hold down the buttons (Menu, Map/Guide, and Cancel) for about 5 seconds (the Select Diagnosis
Items screen appears).
 Hold down the Map/Guide button for 5 10 seconds (A screen with a Complete button
appears).
 Touch Complete, and then the Return button (the system may re-boot).
 Restart the vehicle, and confirm normal operation by completing the PDI of the
navigation system Service Bulletin.
Are there scratches?
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Navi System Link
23-136Navigation System
System Diagnostic Mode (cont’d)
Navi System Link
Navi.ECUReturn
Exit Diag
Detecting..
GPS Ant.
Display Radio BACK
Air-Con
 This diagnostic step tests the cables connecting the
navigation components. Ensure that the ignition
switch is in the ON (II) position. When the diagnosis
begins, you hear a bong sound. The system is in a
Detecting mode, and is waiting for all the items in
white to be tested. This includes the voice control
switch (navigation TALK/BACK buttons), and the
microphone. Press the navigation TALK button on the
steering wheel, and in a normal voice, say ‘‘testing’’.
The Talk indicator on the screen should turn green,
and the voice level indicator should move to at least
the 6th bar to pass. Next, press the navigation BACK
button. The Cancel indicator should turn green.
 If all of the communication lines connecting the system components, and the navigation TALK/BACK
buttons/microphone check out OK (all block diagram
items green), then the OK indicator turns green.
 If there is a problem with the system, the faulty system component item turns red, and the screen
shows NG in red. Use the troubleshooting index, and
other diagnostic screens to help locate the problem.
 The indicator on the screen may not change until you cycle the ignition switch. After repairing the affected
cable or system, repeat this diagnostic.
NOTE: Green boxes and green OK indicate that the
communications lines (cables) are intact. This
diagnostic does not necessarily imply that the
individual components are functioning properly. For
instance, the GPS antenna wire may be crushed, but
still show as green. A road test, or other diagnostic
maybenecessarytofindtheproblem.  Select Return to return to the Diagnostic Menu, or the
Exit Diag button to exit.
NOTE: The Mic Level indicator must reach the 6th bar
or greater to pass the test.
08/08/21 14:07:29 61SNR030_230_0139
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Display
Radio Navi ECU
23-140Navigation System
System Diagnostic Mode (cont’d)
Display
OK
OK
Connection
Version 040423
RadioOK
Connection
OK
0mV
AM Electric Field Intensity
0mV
FM Electric Field Intensity
7150
CD Mech. Version Navi ECU
OK
VRAM
OK
OK
DRAM
OK
GPS
DVD ROM
Serial NO.
ABC01234567
Mem Clear
-Return
Return
Return
This performs additional checks on the communication
bus between navigation CPU and the display. In
addition, the test checks the internal electronic
functions.
If the connection is NG, replace the navigation unit.
 Connection verifies internal communications.
 Version represents the software version for the display.
This diagnostic screen checks the internals of the radio
(AM and FM) and CD player. If NG, replace the
navigation unit. This screen looks for problems with the navigation unit.
When you initiate this diagnostic, the navigation unit
may freeze of delay up to a minute while the diagnostic
runs.
 If V-RAM or D-RAM is NG, then replace the navigation unit.
 If GPS indicates NG (ANT), check the entire GPS antenna wire from the navigation unit to the antenna.
If the wire is crushed or damaged, try a known-good
antenna. If this diagnostic reads OK, then order a new
GPS antenna. If the diagnostic still reads NG (ANT),
replace the navigation unit.
 DVD ROM represents the database version on the DVD. You can also find this information in setup by
selecting System Information.
 Serial No. should be the same as the serial number found on the underside of the navigation unit. You
need this number to obtain the security code from the
Interactive Network system.
 Mem Clear is for factory use, and should never be used unless instructed by the factory. Accidental
selection will erase the client’s personal data, PINS,
and settings. If selected, a popup box appears asking
if you want to clear the memory. If so, select Yes.
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Symptom Diagnostic procedure Also check for
23-162
Audio System
Symptom Troubleshooting Index
Poor AM or FM radio reception or
interference (with navigation)
Symptom Troubleshooting (see page 23-
196) AM/FM antenna lead and/or
sublead short or open in the
wire
Poor AM or FM radio reception or
interference (without navigation) Symptom Troubleshooting (see page 23-
199) AM/FM antenna lead and/or
sublead short or open in the
wire
Audio unit power switch will not
turn on (No information display
and no sound) (with navigation) Symptom Troubleshooting (see page 23-
202)
Audio unit power switch will not
turn on (No information display
and no sound) (without
navigation) Symptom Troubleshooting (see page 23-
203)
Audio unit power switch will not
turn off (with navigation) Symptom Troubleshooting (see page 23-
205)
Audio unit power switch will not
turn off (without navigation) Symptom Troubleshooting (see page 23-
206)
No sound is heard from the
speaker(s) (display is normal)
(with navigation) Symptom Troubleshooting (see page 23-
206)
No sound is heard from the
speaker(s) (display is normal)
(without navigation) Symptom Troubleshooting (see page 23-
215)
Auxiliary i nput sound is low or
cannot be heard Symptom Troubleshooting (see page 23-
217)
Audio system sound is weak or
distorted (display is normal) Symptom Troubleshooting (see page 23-
220)
Radio preset memory is lost Symptom Troubleshooting (see page 23-221) Internal error
Volume does not change Symptom Troubleshooting (see page 23- 221)
Volume does not increase with
speed (with navigation) Symptom Troubleshooting (see page 23-
222)
Volume does not increase with
speed (without navigation) Symptom Troubleshooting (see page 23-
223)
Volume is too high or too low
when driving at freeway speeds Symptom Troubleshooting (see page 23-
224)
Radio tuner does not change
stations Symptom Troubleshooting (see page 23-
224)
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SymptomDiagnostic procedure Also check for
23-163
Navigation unit button
illumination does not work (with
navigation)Symptom Troubleshooting (see page 23-
225)
Audio unit button illumination
does not work (without
navigation) Symptom Troubleshooting (see page 23-
226)
Display does not dim or brighten
with dimmer (without navigation) Symptom Troubleshooting (see page 23-
227)
Audio disc does not load Symptom Troubleshooting (see page 23- 228)
Audio disc does not eject Symptom Troubleshooting (see page 23-228)
Audio disc does not play Symptom Troubleshooting (see page 23- 229)
Audio disc skips Symptom Troubleshooting (see page 23- 229)
Audio remote switch does not
work properly (with navigation) Symptom Troubleshooting (see page 23-
230)
Audio remote switch does not
work properly (without
navigation) Symptom Troubleshooting (see page 23-
232)
Audio disc cannot be inserted
and/or ejected (with navigation) Symptom Troubleshooting (see page 23-
233)
Display can be opened and/or
closed even when an audio disc is
being inserted or ejected Replace the navigation unit (see page
23-355)
PC card will not play/card icon on
audio screen cannot be selected
(with navigation) Symptom Troubleshooting (see page 23-
234)
USB input sound is low or cannot
be heard (with navigation) Symptom Troubleshooting (see page 23-
235) Requirement of the USB
devices (see Owner’s Manual)
USB input sound is low or cannot
be heard (without navigation) Symptom Troubleshooting (see page 23-
236) Requirement of the USB
devices (see Owner’s Manual)
USB device does not function
(with navigation) Symptom Troubleshooting (see page 23-
238) Requirement of the USB
devices (see Owner’s Manual)
USB device does not function
(without navigation) Symptom Troubleshooting (see page 23-
241) Requirement of the USB
devices (see Owner’s Manual)
Error code: XM NO SIGNAL or XM
ANTENNA is displayed (with
navigation) Symptom Troubleshooting (see page 23-
245)
XM radio display is blank and no
station information is displayed
(with navigation) Symptom Troubleshooting (see page 23-
245)
XM radio preset memory is lost
(with navigation) Symptom Troubleshooting (see page 23-
248)
Poor or no sound with XM radio
(Audio unit does display XM
channels) (with navigation) Symptom Troubleshooting (see page 23-
249)
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