relay ACURA CSX 2006 Service Repair Manual

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Speaker Terminal Wire color
YES
NO YES
NO
23-41
NAVIGATION UNIT CONNECTOR A (17P) STEREO AMPLIFIER CONNECTOR A (20P)
BAUDIO
AMP
(LT GRN)
13. Check for continuity between body ground and the
following terminals of navigation unit connector A
(17P).
Driver’s door speaker,
Left tweeter A12 ( ) LT GRN
A3 ( ) PNK
Front passenger’s
door speaker,
Right tweeter A15 ( ) GRY
A7 ( ) BRN
Left rear speaker A11 ( ) YEL A2 ( ) BRN
Right rear speaker A16 ( ) BLU A8 ( ) ORN
Repair short to body ground in the wire(s)
between the navigation unit and the speaker(s).
Substitute a known-good navigation unit
(see page 23-155), and recheck. If the symptom/
indication goes away, replace the original
navigation unit. 14. Measure the voltage between stereo amplifier
connector A (20P) terminal No. 10 and body ground.
Go to step 15.
Repair open in the wire between the No. 17
(15 A) fuse in the under-hood fuse/relay box and
stereo amplifier connector A (20P) terminal
No. 10.
(cont’d)
Wire side of female terminals Wire side of female terminals
Is there continuity?
Is there battery voltage?
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YES
NO
YES
NO YES
NO
23-42Audio System
Symptom Troubleshooting (cont’d)
STEREO AMPLIFIER CONNECTOR A (20P)
ACC RADIO (PUR)
STEREO AMPLIFIER CONNECTOR B (14P) AMP ON (LT BLU) STEREO AMPLIFIER CONNECTOR A (20P)
GND (BLK)
15. Turn the ignition switch to ON (II).
16. Measure the voltage between stereo amplifierconnector A (20P) terminal No. 9 and body ground.
Go to step 17.
Repair open in the wire between the No. 35
(7.5 A) fuse in the under-dash fuse/relay box and
stereo amplifier connector A (20P) terminal No. 9.
17. Measure the voltage between stereo amplifier connector B (14P) terminal No. 7 and body ground.
Go to step 18.
Repair open in the wire between the stereo
amplifier connector B (14P) terminal No. 7 and
navigation unit connector B (22P) terminal
No. 20. 18. Measure the voltage between stereo amplifier
connector A (20P) terminal No. 20 and body ground.
Go to step 19.
Repair open in the wire between stereo
amplifier connector A (20P) terminal No. 20 and
body ground (G 601).
19. Turn the ignition switch to LOCK (0).
Wire side of female terminals
Wire side of female terminals Wire side of female terminals
Is there battery voltage?
Is there battery voltage? I s t her e l ess t han 0.1 V on bot h t er mi nal s?
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Navigation unit button illumination does not
work (with navigation)
YES
NO
YES
NO YES
NO
YES
NO
23-58Audio System
Symptom Troubleshooting (cont’d)
NAVIGATION UNIT CONNECTOR A (17P)
ILL (RED)
GAUGE CONTROL MODULE (TACH) 36P CONNECTOR ILL (RED)
NAVIGATION UNIT CONNECTOR A (17P) ILL (GRY)NOTE: Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
1. Turn the ignition switch to ON (II).
2. Turn the combination lighting switch to the parking light position.
3. Check the illumination of the navigation unit buttons.
Intermittent problem: the navigation unit is
OK at this time. Check for loose or poor
connections at navigation unit connector A (17P).
Go to step 4.
4. Check the illumination of several other buttons not related to the navigation system.
Go to step 5.
Troubleshoot the interior lights. Start by
checking the No. 14 (7.5 A) fuse in the under-dash
fuse/relay box. If the fuse is OK, check for an open
in the wire between the under-dash fuse/relay box
and the navigation unit.
5. Turn the ignition switch to LOCK (0).
6. Disconnect navigation unit connector A (17P). NOTE: Eject all the discs before removing the navigation unit to prevent damaging the CD player’s load
mechanism.
 Remove the PC card before removing the navigation unit.
7. Disconnect gauge control module (tach) 36P connector. 8. Check for continuity between navigation unit
connector A (17P) terminal No. 1 and gauge control
module (tach) 36P connector terminal No. 14.
Go to step 9.
Repair open in the wire between the gauge
control module and the navigation unit.
9. Turn the ignition switch to ON (II).
10. With the headlight switch still on, measure the voltage between navigation unit connector A (17P)
terminal No. 10 and body ground.
Check the connections at navigation unit
connector A (17P). If all connections are OK, replace
the navigation unit (see page 23-155).
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
Wire side of female terminalsAre the buttons illuminated?
Are the buttons illuminated? Is there continuity?
Is there battery voltage?
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Audio unit button illumination does not
work (without navigation)
YES
NO
YES
NO YES
NO
YES
NO
23-59
AUDIO UNIT CONNECTOR A (17P)
ILL (RED)
GAUGE CONTROL MODULE (TACH) 36P CONNECTOR ILL (RED)
AUDIO UNIT CONNECTOR A (17P) ILL (GRY)NOTE: Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
1. Turn the ignition switch to ON (II).
2. Turn the combination lighting switch to the parking light position.
3. Check the illumination of the audio unit buttons.
Intermittent problem: the audio unit is OK at
this time. Check for loose or poor connections at
the audio unit connector A (17P).
Go to step 4.
4. Check the illumination of several other buttons not relatedtotheaudiosystem.
Go to step 5.
Troubleshoot the interior lights. Start by
checking the No. 14 (7.5 A) fuse in the under-dash
fuse/relay box. If the fuse is OK, check for an open
in the wire between the under-dash fuse/relay box
and the audio unit.
5. Turn the ignition switch to LOCK (0).
6. Disconnect audio unit connector A (17P). NOTE: Eject all the discs before removing the audio
unit to prevent damaging the CD player’s load
mechanism.
7. Disconnect gauge control module (tach) 36P connector. 8. Check for continuity between audio unit connector
A (17P) terminal No. 1 and gauge control module
(tach) 36P connector terminal No. 14.
Go to step 9.
Repair open in the wire between the gauge
control module and the audio unit.
9. Turn the ignition switch to ON (II).
10. With the headlight switch still on, measure the voltage between audio unit connector A (17P)
terminal No. 10 and body ground.
Check the connections at audio unit
connector A (17P). If all the connections are OK,
replace the audio unit (see page 23-80).
Repair open in the wire between the under-
dash fuse/relay box and the audio unit.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Are the buttons illuminated?
Are the buttons illuminated? Is there continuity?
Is there battery voltage?
08/08/21 14:05:31 61SNR030_230_0062
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Display does not dim or brighten with
dimmer (without navigation)
YES
NO
YES
NO
YES
NO YES
NO
23-60Audio System
Symptom Troubleshooting (cont’d)
AUDIO UNIT CONNECTOR A (17P)
ILL (GRY)
ILL (RED)
NOTE:
 Check the vehicle battery condition first.
 Check the connectors for poor connections or loose terminals.
1. Turn the ignition switch to ON (II).
2. Turn the combination light switch ON and OFF to see if the symptom can be duplicated.
Go to step 3.
Operation is normal.
3. Turn the combination light switch to OFF.
4. Rotate the illumination control dial.
Operation is normal.
Go to step 5.
5. Disconnect, and check audio unit connector A (17P) for a loose or a poor connection.
NOTE: Eject all the discs before removing the audio
unit to prevent damaging the CD player’s load
mechanism.
Go to step 6.
Operation is normal.
6. Turn the ignition switch to LOCK (0).
7. Remove the audio unit (see page 23-80). 8. Turn the ignition switch to ON (II).
9. Measure the voltage between audio unit connector
A (17P) terminals No. 1 and No. 10. Rotate the dash
brightness controller buttons to see if the voltage
changes.
Substitute a known-good audio unit
(see page 23-80), and recheck. If the symptom/
indication goes away, replace the original audio
unit. If symptom is still present, substitute a known-
good center panel display and recheck. If the
symptom/indication goes away, replace the
original center panel display (see page 23-80).
Repair open in the wire between the under-
dash fuse/relay box and the gauge control
module.
Wire side of female terminals
Is it duplicated?
Does the illumination dim and brighten normally asy ou r ot at e t he d i al ?
Reconnect aud i o uni t connect or A ( 17 P), andr echeck t he sy mpt om; d oes i t st i l l appear ? Does t he v ol t age change?
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General Operation
Anti-theft Feature
Symptom DiagnosisSelf-Inertial Navigation Limitations
23-90Navigation System
General Troubleshooting Information
Refer to the Navigation System manual for the
navigation system operating procedures.
The navigation system has a coded theft protection
circuit. Be sure you have the client’s anti-theft security
code before;
 Disconnecting the battery
 Disconnecting the navigation unit A (17P) and C (12P) connector
 Removing the No. 23 (10 A) fuse from the under-hood fuse/relay box
After service, reconnect power to the navigation unit,
and turn the ignition switch ON (II). Enter the 4-digit
anti-theft security codes, then select Done.
If the code cannot be found, use the interactive Network
(iN) to look it up. You can view the serial number in one
of the Navi ECU diagnostic screen (see page 23-139).
Alternatively, you can find the serial number from the
navigation unit in the dash.
When replacing the navigation unit, be sure to give the
client the new anti-theft security code.
Certain circumstances and system limitations can result
in occasional vehicle positioning errors. Some clients
may think this indicates a problem with the navigation
system when, in fact, the system is normal. Keep the
following items in mind when interviewing clients
about symptoms of the navigation system. The limitations of the self-inertial portion of the
navigation system (the yaw rate sensor and the vehicle
speed signal) can cause some discrepancies between
the vehicle’s actual position and the indicated vehicle
position (GPS vehicle position).
The following circumstances may cause vehicle
positioning errors:
 Moving the vehicle with the engine stopped and the vehicle stopped, such as by ferry or tow truck, or if
the vehicle is spun on a turn table.
 Tire slippage, changes in tire rolling diameters, and some driving situations may cause discrepancies in
travel distances. Examples of this include:
– Continuous tire slippage on a slippery surface.
– Driving with snow chains mounted.
– Abnormal tire pressure.
– Incorrect tire size.
– Frequent lane changes across a wide highway.
– Continuous driving on a straight or gently curving highway.
 Tolerances in the system and map inaccuracies will sometimes limit how precisely the vehicle position is
indicated. Examples of this include:
– Driving on roads not shown on the map (map matching is not possible).
– Driving on a road that winds in one direction, such as a loop bridge, an interchange, or a spiral parking
garage.
– Driving on a road with a series of sharp hair-pin turns.
– Driving near a gradual highway exit or transition.
– Driving on one of two close parallel roads.
– Making many 90 degree turns.
– The direction to destination icon or the destination icon shown or the map may be up to several
hundred feet away from the actual location.
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Navigation Unit Inputs and Outputs for Connector A (17P)
Navigation Unit Connector A (17P) TerminalNumber Wire Color Terminal Name Description Voltage (about) Symptom
23-113
1 RED ILL ( )
Ground for
illumination light With full dash
lights brightness,
0VIf open: When brightness = Auto, night mode for the
display is inoperative when lights on.
If short to ground: No change to display.
9 BLK RADIO GND (Ground)Ground for display
unit 0 V
If open: No change to display.
If short to ground: No change to display.
10 GRY ILL ( ) (Illumination
positive)Parking light on
signal from dash
and console lights Light on =
battery voltage,
Lights off = 0 VIf open: When brightness = Auto, night mode for the
display is inoperative when lights on.
If short to ground: Blows fuse No. 14 (7.5 A) in
under-dash fuse/relay box.
13 BLU VSP (Vehicle speed
pulse)Vehicle speed
pulse signal from
ECM/PCM Pulses 0 5 V:
Average 2.5 V,
when movingIf open: No vehicle speed pulses.
Diagnostic screen Car Status, VSP Navi = 0.
If short to ground: No vehicle speed pulses.
Diagnostic screen Car Status, VSP Navi = 0.
17 WHT B ( B power
source)Continuous power
source
Battery voltage If open: Screen completely off (no backlight visible).
If short to ground: Blows fuse No. 23 (10 A) in the
under-hood fuse/relay box.
(cont’d)
Wire side of female terminals
08/08/21 14:06:30 61SNR030_230_0116
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Navigation Unit Inputs and Outputs for Connector C (12P)
Navigation Unit Connector C (12P)TerminalNumber Wire Color Terminal Name Description Voltage (about) Symptom
23-114Navigation System
System Description (cont’d)
1 WHT B BACK UP Continuous power
sourceBattery voltage If open: Display picture goes out (display back light
still on). NOTE: System will reboot to enter code
screen.
If short to ground: Blows fuse No. 23 (10 A) in the
under-dash fuse/relay box.
4 BLK GND Ground for navigation unit0 V If open: No effect on system.
If short to ground: No effect on system.
7 BRN BACK LT Reverse signal of select laver from
Multiplex
integrated Control
unit (A/T) or
backup light switch
(M/T)In reverse,
battery voltage:
Otherwise0V
If open: Navigation never sees the reverse signal
and back-up camera does not come on when in
reverse. Diagnostic screen Car Status, Back = 0.
If short to ground: Blows fuse No. 10 (7.5 A) in the
under-dash fuse/relay box.
Wire side of female terminals
08/08/21 14:06:30 61SNR030_230_0117
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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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No picture is displayed
YES
NO
YES
NO YES
NO
YES
NO
23-119
Symptom Troubleshooting
NAVIGATION UNIT CONNECTOR A (17P)
BBACKUP(WHT)
NAVIGATION UNIT CONNECTOR A (17P) 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 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 23-155). 6. Measure the voltage between navigation unit
connector A (17P) terminal No. 17 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 (17P) 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.
(cont’d)
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?
08/08/21 14:07:25 61SNR030_230_0122
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