2006 ACURA CSX fuse box

headlight aiming ECO mode coolant level spare tire technical data wiper size

Page 2634 of 2893

ACURA CSX 2006 Service Repair Manual ´
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Display day/night mode does not work or
does not work properly System l

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Display day/night mode does not work or
does not work properly System locks up or freezes constantly
YES
NO
YES
NO YES
NO
23-34823-348Navigation System
Symptom Troubleshooting (cont’d)
NOTE:
Check the vehicle battery condition first.
Check the connectors for poor connection or loose terminals.
Before troubleshooting, get the navigation system anti-theft code.
After troubleshooting, enter the navigation system anti-theft code.
Full brightness on the instrument panel brightness control with the head lights turned on causes the
system to stay in the day mode, even when the lights
are on.
1. Make sure the instrument panel brightness control is not on full brightness. Turn the headlights on,
and adjust the dash brightness to the middle range.
2. Change the day/night mode under Set-up to AUTO, and recheck.
The system is OK at this time.
Go to step 3.
3. Go into the Diagnostic Menu and use the Car Status test to check for an ILL signal (see page 23-315).
Replace the navigation unit (see page 23-355).
Check the ILL circuit between the
navigation unit and the No. 14 (7.5 A) fuse in the
under-dash fuse/relay box. 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.
1. Start the engine, and turn the ignition switch to LOCK (0), then turn the ignition switch to ON (II).
The system is OK at this time.
Check the DVD for scratches or damage, and
the navigation unit for water damage. If OK, go into
the Diagnostic Menu, and do all of the Unit Check
tests (see page 23-305). Also check for low battery
charge or poor charging system performance.
Does t he d i spl ay change t o d ay and ni ght mod es w hen t ur ni ng t he head l i ght s on and of f ?
I s t he I LL si gnal OK ? Does the system reboot?
08/08/21 14:17:52 61SNR030_230_0351
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Page 2636 of 2893

ACURA CSX 2006 Service Repair Manual (##
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Navigation cannot control XM radio Navigation f

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Navigation cannot control XM radio Navigation frequently asks for anti-theft
code and/or needs GPS initialization
YES
NO
YES
NO YES
NO
YES
NO
23-35023-350Navigation System
Symptom Troubleshooting (cont’d)
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.
1. Start the vehicle.
2. Make sure the anti-theft code for the navigation system is entered.
3. Go into the Diagnostic mode, and use the System Links diagnosis (see page 23- 297).
Do the troubleshooting for the voice
guidance cannot be heard (see page 23-341).
Go to step 4.
4. Substitute a known-good navigation unit (see page 23-355).
Replace the navigation unit (see page 23-355).
Replace the XM receiver (see page 23-258). NOTE:
This is often caused by a loss of battery power, a low or poor battery condition, or a poor ground.
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.
1. Measure the voltage between navigation unit connector A (24P) terminal No. 24 and body ground.
Go to step 2.
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 (24P) terminal No. 14 and body ground.
Go to step 4.
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
Is the X M icon red? Can t he nav i gat i on sy st em cont r ol X M r ad i o? Is there battery voltage?
Is there battery voltage?
08/08/21 14:17:52 61SNR030_230_0353
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Page 2660 of 2893

ACURA CSX 2006 Service Repair Manual ´´
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HandsFreeLink Control Unit Inputs and Outputs
HANDSFREELINK CONTROL UNIT 28P CONNECTOR
Cavity Wire Color C

Page 2662 of 2893

ACURA CSX 2006 Service Repair Manual Î(##
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23-374HandsFreeLink System
Circuit Diagram
UNDER-HOOD FUSE/RELAY BOX
Q1E5
WHT 15 16
ORN
RED
WHT
ACC
BAT
IGNITION SWITCH
No. 23 (10 A)
No.

Page 2663 of 2893

ACURA CSX 2006 Service Repair Manual Î
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23-375
3
27
HANDSFREELINK CONTROL UNIT
MIC
SIG
MIC
SIG HFL
MUTE
BRN
YEL
HFL-NAVIGATION
MICROPHONE HFL
ICON
TELEM
SIG TELEM
SIG
12 13 14
D8 D7 D9 B8 B20 B21

Page 2678 of 2893

ACURA CSX 2006 Service Repair Manual Î
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Cavity Wire Test condition Test: Desired resultPossible cause if result is not obtained
Cavity Wire Test condition Test: Desired resultPossibl

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Cavity Wire Test condition Test: Desired resultPossible cause if result is not obtained
Cavity Wire Test condition Test: Desired resultPossible cause if result is not obtained
23-388HandsFreeLink System
Control Unit Input Test/Replacement
B
A
WHT PUR
PNK
BLK
1. Remove the center console (see page 20-92).
2. Remove the console lower box (see page 20-95).
3. Disconnect the 28P connector (A) from the HandsFreeLink control unit (B).
4. Inspect the connector and socket terminals for a good pinfit to be sure they are all making good contact.
If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
IftheterminalslookOK,gotostep5.
5. Reconnect the connector and make these input tests at the connector. If any test indicates a problem, find and correct the cause, then recheck the system.
If all the input tests prove OK, go to step 6.

1 BLK Under all conditions Check for voltage to ground:
There should be less than 0.5 V.Poor ground (G501)
An open in the wire
15 WHT Under all conditions Check for voltage to ground: There should be battery voltage.Blown No. 23 (10 A) fuse in the
under-hood fuse/relay box
An open in the wire
16 PUR Ignition switch ON (II) Check for voltage to ground: There should be battery voltage.Blown No. 35 (7.5 A) fuse in the
under-dash fuse/relay box
An open in the wire
6. Disconnect the 28P connector again, and make this input test at the connector. If the test indicates a problem, find and correct the cause, then recheck the system.
If the input test proves OK, the HandsFreeLink control unit must be faulty, replace it.
18 PNK Under all conditions Check for continuity between No. 18 terminal and the driver’s under-dash
fuse/relay box connector Q (16P)
terminal No. 6:
There should be continuity.An open in the wire
Driver’s under-dash fuse/relay
box connector Q (16P)
disconnected Check for continuity to ground:
There should be no continuity.
Short to ground
Wire side of female terminals
08/08/21 14:18:43 61SNR030_230_0391
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Page 2717 of 2893

ACURA CSX 2006 Service Repair Manual
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Self-diagnostic System
24-37
GAUGE CONTROL MODULE CAN
CAN
MICROPROCESSOR and DIAGNOSTIC CIRCUIT
SRS UNIT
IMPACT GND TRIGGER CIRCUIT
SCS
MES
DLC
VA VB
ODS UNIT
FRONT
PASSENGER’S SEAT
OPD

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Self-diagnostic System
24-37
GAUGE CONTROL MODULE CAN
CAN
MICROPROCESSOR and DIAGNOSTIC CIRCUIT
SRS UNIT
IMPACT GND TRIGGER CIRCUIT
SCS
MES
DLC
VA VB
ODS UNIT
FRONT
PASSENGER’S SEAT
OPDS
SENSOR RIGHT
SIDE IMPACT
SENSOR
(SECOND)
REAR
SAFING
SENSOR
FRONT
PASSENGER’S
SEAT BELT
BUCKLE
TENSIONER
CABLE
REEL
DRIVER’S
AIRBAG
FIRST
INFLATOR
DRIVER’S
AIRBAG
SECOND
INFLATOR FRONT
PASSENGER’S
AIRBAG
SECOND
INFLATOR
FRONT
PASSENGER’S
AIRBAG
FIRST
INFLATOR
SRS
INDICATOR
SIDE AIRBAG
CUTOFF
INDICATOR
DRIVER’S
SEAT BELT
BUCKLE
TENSIONER
FRONT
PASSENGER’S
SEAT BELT
TENSIONER
DRIVER’S
SEAT BELT
TENSIONER
RIGHT SIDE
CURTAIN
AIRBAG
INFLATOR
LEFT SIDE
CURTAIN
AIRBAG
INFLATOR
DATA
LINK
CIRCUIT
MEMORY
CIRCUIT
SIDE
IMPACT
SENSOR FRONT
IMPACT
SENSOR POWER
SUPPLY
CIRCUIT LEFT
FRONT
IMPACT
SENSOR
RIGHT
FRONT
IMPACT
SENSOR LEFT
SIDE IMPACT
SENSOR
(FIRST)
RIGHT
SIDE IMPACT
SENSOR
(FIRST)DRIVER’S
SIDE AIRBAG
INFLATOR
FRONT
PASSENGER’S
SIDE AIRBAG
INFLATOR
UNDER-DASH
FUSE/RELAY
BOX LEFT
SIDE IMPACT
SENSOR
(SECOND)
FRONT
PASSENGER’S
WEIGHT
SENSORS
FRONT
PASSENGER’S
AIRBAG
CUTOFF
INDICATOR
DRIVER’S SEAT
POSITION
SENSOR
A self-diagnostic circuit is built into the SRS unit; when the ignition switch is turned to ON (II), the SRS indicator comes
on and goes off after about 6 seconds if the system is operating normally.
If the indicator does not come on, or does not go off after 6 seconds, or comes on while driving, it indicates an
abnormality in the system. The system must be inspected and repaired as soon as possible.
For better serviceability, the SRS unit memory stores a DTCs related to the cause of the malfunction, and the unit is
connected to the data link connector (DLC). This information can be read with the HDS when it is connected to the DLC
(see page 24-22).
NOTE: Before you disconnect the negative cable from battery for troubleshooting, review Battery Terminal
Disconnection and Reconnection (see page 22-68).
(cont’d)
08/08/21 13:55:34 61SNR030_240_0037
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Page 2720 of 2893

ACURA CSX 2006 Service Repair Manual Î(#) ’06 model
24-40SRS
Circuit Diagram
GRN
BLU YEL
214 Q
E
G504
G602
BLK
LT GRN*
BLK*
BLK*
ORN*
LT BLU*
WHT*
RED* BLU*RED*
YEL*
2 1
G506 5
22
23

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