error 1 ACURA CSX 2006 Service Workshop Manual



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DTC B1925:
YES
NO YES
NO
YES
NO
22-319
IGNITION KEY SWITCH 6P CONNECTOR
GND
IG KEY SW
IGNITION KEY SWITCH 6P CONNECTOR GND
IG KEY SW
Ignition Key Switch Signal Error
NOTE:
 If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis
Test Mode A (see page 22-93).
 If the vehicle is equipped with an ACURA ACCESSORY remote starter, this DTC is normal no
further diagnosis is necessary.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and remove the ignition key.
3. Insert the ignition key into the ignition switch, and turn the ignition switch to ON (II).
4. Check for DTCs with the HDS.
Go to step 5.
Intermittent failure, the system is OK at this
time. Check for loose or poor connections at the
immobilizer-keyless control unit 7P c onnector,
under-dash fuse/relay box 20P connector R, and at
the ignition key switch 6P connector.
5. Turn the ignition switch to LOCK (0) and remove the ignition key.
6. Disconnect the ignition key switch 6P connector. 7. At the ignition key switch side, check for continuity
between ignition key switch 6P connector terminals
No. 1 and No. 2.
Faulty ignition key switch or short to ground,
replace the steering lock assembly (see page 17-14).
Go to step 8.
8. Insert the ignition key into the ignition switch.
9. At the ignition key switch side, check for continuity between ignition key switch 6P connector terminals
No. 1 and No. 2.
Go to step 10.
Faulty ignition key switch, replace the
steering lock assembly (see page 17-14).
(cont’d)
Terminal side of male terminals
Terminal side of male terminals
Is DTC B1925 indicated? Is there continuity?
Is there continuity?
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How to Troubleshoot
Symptom Troubleshooting of an open Power Supply and Ground Circuit
22-322Immobilizer System
Symptom Troubleshooting Information (cont’d)
Immobilizer
Indicator
Symptom
Line Error Engine StartKey
RegistrationTester
Communication
Keyless Operation
VBU line open
or short Comes on,
then goes off.
Possible
Possible Possible
Impossible
1
IG1 line open
or short Blinking Impossible
Impossible
Impossible
Possible
2
Blinking Impossible Impossible
Possible
Possible
IMOCD line
open or short
3
4 Immobilizer:
Possible
Keyless:
Impossible Impossible
Possible Possible
Comes on,
then goes off.
B-CAN line
open or short
Comes on,
then goes off. Impossible
Impossible
Possible
Possible
5
KEYSW line
short to groundGND (LG) line
open
6
7 (in spite of the key is
in the ignition switch)
Possible
Possible Possible Possible
Comes on,
then goes off.
KEYSW line
open
K-LINE line
open or short
Blinking Impossible Impossible
Impossible ImpossibleImpossible
Cause of
Malfunction
Terminal
No.
NOTE: If the HDS does not communicate with the vehicle, troubleshoot the DLC circuit (see page 11-
204).
1. Do the PGM-FI system DTCs check. If there are any DTCs, troubleshoot the indicated DTC.
2. Do the Body Electrical DTCs check. If there are any DTC, troubleshoot the indicated DTC.
3. Do the system check using the HDS. If there is a system check number, do the troubleshooting for the item indicated (see page 22-326).
4. Check the status log using the HDS. Troubleshoot the line with the highest counts (see page 22-328). If all the lines are ‘‘0’’ zero, the problem may not be caused by the immobilizer system, check for ignition or fuel problems.
NOTE: Once repaired, clear the status log by removing the back up power fuse, or disconnecting the battery.
If a malfunction occurs in the immobilizer circuit for the VBU, IG1 and GND (LG) lines, identify the lines to check with
this table.
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(#')System
Check No. System Check Possible Cause
22-326Immobilizer System
System Check
1. Connect the HDS to the data link connector.
2. Turn the ignition switch to ON (II).
3. Monitor the SYSTEM CHECK in the IMMOBILIZER INFO with the HDS.
4. If the HDS displays NORMAL N-1, the immobilizer system is OK at this time, refer to the STATUS LOG. If the HDS
displays any other messages, check as follows:





















A-1 The key is not
registered This key is not registered in the immobilizer-keyless control unit. Try
to register keys using the HDS.
No communication between the antenna and the immobilizer key
because of interference from metal such as key chains/key rings/
other keys.
Low battery voltage.
A-2 Communication error between the
key and
immobilizer unit Intermittent interruption between transponder and immobilizer-
keyless control unit.
The immobilizer key type is incorrect
non-Acura key.
Key failure (transponder failure)
No communication between the antenna and the immobilizer key
because of interference from metal such as key chains/key rings/
other keys.
Low battery voltage.
A-3 No communication between the key
and immobilizer
unit The ignition switch was turned to ON (II) with a non-immob
ilizer key.
The immobilizer key type is incorrect non-Acura key.
Key failure (transponder failure)
No communication between the antenna and the immobilizer key
because of interference from metal such as key chains/key rings/
other keys.
Low battery voltage.
Immobilizer-keyless control unit failure
B-1 The ECM/PCM is not registered The ECM/PCM was not registered. Try to register the ECM/PCM
using the HDS.
No communication between the ECM/PCM and the immobilizer-
keyless control unit because of low battery voltage.
No communication between the immobilizer-keyless control unit
and the ECM/PCM because of interference.
Open in the IG1 line
B-2 Error of communication
format in ECM/
PCM The ECM/PCM was not registered. Try to register the ECM/PCM
using the HDS.
No communication between the ECM/PCM and the immobilizer-
keyless control unit because of low battery voltage.
No communication between the immobilizer-keyless control unit
and the ECM/PCM because of interference.
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System
Check No. System Check Possible Cause
22-327























C-1 The imoes unit is
not registered Imoes unit was not registered.
No communication between the imoes unit and the immobilizer-
keyless control unit because of low battery voltage.
No communication between the imoes unit and the immobilizer-
keyless control unit because of interference.
C-2 Error of communication
format in imoes
unit Imoes unit was not registered.
No communication between the imoes unit and the immobilizer-
keyless control unit because of low battery voltage.
No communication between the imoes unit and the immobilizer-
keyless control unit because of interference.
D-1 S-net line short Harness short from the ECM/PCM to the immobilizer-keyless control unit. (IMOCD (S-net) line short)
No communication between the ECM/PCM and the immobilizer-
keyless control unit because of low battery voltage.
No communication between the immobilizer-keyless unit and the
ECM/PCM because of interference.
Immobilizer-keyless control unit failure
ECM/PCM failure
D-2 No communication between imoes
unit and
immobilizer unit Blown fuse
Harness open from the imoes unit to the immobilizer-keyless control
unit. (IMOCD (S-net) line open)
No communication between the imoes unit and the immobilizer-
keyless control unit because of low battery voltage.
No communication between the imoes unit and the immobilizer-
keyless control unit because of interference.
Immobilizer-keyless control unit failure
Imoes unit failure
D-3 No communication between ECM/PCM
and immobilizer
unit Blown fuse
Harness open from the ECM/PCM to the immobilizer-keyless control
unit.
No communication between the ECM/PCM and the immobilizer-
keyless control unit because of low battery voltage.
No communication between the immobilizer-keyless control unit
and the ECM/PCM because of interference.
Immobilizer-keyless control unit failure
ECM/PCM failure
E-1 Initial registration of immobilizer unit
is not completed The immobilizer-keyless control unit is not registered. Try to register
the immobilizer-keyless control unit using the HDS.
E-2
E-3
E-4
E-5
F-1 Special Mode Turn the ignition switch to ON (II) and to LOCK (0) with the registered key.
F-2
F-3
F-4
F-5
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Symptom Diagnostic procedure Also check for
23-4
Audio System
Symptom Troubleshooting Index
Poor AM or FM radio reception or
interference (with navigation)
Symptom Troubleshooting (see page 23-29) 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 23-32) 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 23-35)
Audio unit power switch will not
turn on (No information display
and no sound) (without
navigation) Symptom Troubleshooting (see page 23-36)
Audio unit power switch will not
turn off (with navigation) Symptom Troubleshooting (see page 23-38)
Audio unit power switch will not
turn off (without navigation) Symptom Troubleshooting (see page 23-39)
No sound is heard from the
speaker(s) (display is normal)
(with navigation) Symptom Troubleshooting (see page 23-39)
No sound is heard from the
speaker(s) (display is normal)
(without navigation) Symptom Troubleshooting (see page 23-48)
Auxiliary i nput sound is low or
cannot be heard Symptom Troubleshooting (see page 23-50)
Audio system sound is weak or
distorted (display is normal) Symptom Troubleshooting (see page 23-53)
Radio preset memory is lost Symptom Troubleshooting (see page 23-54) Internal error
Volume does not change Symptom Troubleshooting (see page 23-54)
Volume does not increase with
speed (with navigation) Symptom Troubleshooting (see page 23-55)
Volume does not increase with
speed (without navigation) Symptom Troubleshooting (see page 23-56)
Volume is too high or too low
when driving at freeway speeds Symptom Troubleshooting (see page 23-57)
Radio tuner does not change
stations Symptom Troubleshooting (see page 23-57)
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SymptomDiagnostic procedure Also check for
23-5
Navigation unit button
illumination does not work (with
navigation)Symptom Troubleshooting (see page 23-58)
Audio unit button illumination
does not work (without
navigation) Symptom Troubleshooting (see page 23-59)
Display does not dim or brighten
with dimmer (without navigation) Symptom Troubleshooting (see page 23-60)
Audio disc does not load Symptom Troubleshooting (see page 23-61)
Audio disc does not eject Symptom Troubleshooting (see page 23-61)
Audio disc does not play Symptom Troubleshooting (see page 23-62)
Audio disc skips Symptom Troubleshooting (see page 23-62)
Audio remote switch does not
work properly (with navigation) Symptom Troubleshooting (see page 23-63)
Audio remote switch does not
work properly (without
navigation) Symptom Troubleshooting (see page 23-65)
Audio disc cannot be inserted
and/or ejected (with navigation) Symptom Troubleshooting (see page 23-66)
Display can be opened and/or
closed even when an audio disc is
being inserted or ejected Replace the navigation unit (see page
23-155)
PC card will not play/card icon on
audio screen cannot be selected
(with navigation) Symptom Troubleshooting (see page 23-67)
Error code: XM NO SIGNAL or XM
ANTENNA is displayed (with
navigation) Symptom Troubleshooting (see page 23-68)
XM radio display is blank and no
station information is displayed
(with navigation) Symptom Troubleshooting (see page 23-68)
XM radio preset memory is lost
(with navigation) Symptom Troubleshooting (see page 23-71)
Poor or no sound with XM radio
(Audio unit does display XM
channels) (with navigation) Symptom Troubleshooting (see page 23-72)
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CD Error Codes (’06-07 models and ’08 model with navigation)Error Code Displayed Possible Cause Solution
CD Error Codes (’08 model without navigation) Error Code Displayed Possible Cause Solution
CD Error Codes (’06-08 models) Error Code Displayed Possible Cause Solution
23-27
Error Codes
The audio system displays error codes when a problem is detected with the disc changer, the disc, the XM radio, or
the anti-theft code.
This is not a complete list of audio error codes. Refer to symptom troubleshooting, or go to any official Honda service
website for more service information.
DISC ERROR The system cannot read the disc because an audio or video DVD
is inserted into the unit. The CD
may be inserted upside down.Verify that the unit functions with a standard
mass production CD.
MECH ERROR There is a problem with the mechanism A CD label may be
jammed in the mechanism.Replace the navigation unit.




BAD DISC-PLEASE CHECK
OWNERS MANUAL PUSH
EJECT
CDlabeljammedinthe
mechanism.
CD eject mechanism or motor
is inoperative.
CD spindle motor won’t spin
up the CD.
The wrong type disc is
inserted.Press the EJECT button and hold it for 5
seconds. If the disc does not eject, try again.
If the disc still won’t eject, replace the unit.




HEAT ERROR CD player is too hot. This can
happen if the vehicle is parked
in the sunlight all day.The unit should function normally when it
cools off.
FORMAT Audio unit cannot read the files on the CD or CD-R.Current track is skipped. The next supported
track or file plays automatically.
Verify that CD, CD-R or CD-RW file names
endinCD-AorWMA.
Verify that CD, CD-R or CD-RW with
compressed music formats end in MP3 or
WMA.
Other file formats like I-tunes or Ogg are
not recognized.
WMA files may have (DRM) copy
protection and cannot be read.
(cont’d)
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XM Error Codes
Error Code Displayed Possible Cause Solution
Audio Unit Error Codes Error Code Displayed Possible Cause Solution
23-28Audio System
Error Codes (cont’d)
LOADING
XM radio is acquiring audio or
program information. Wait until the radio receives the information.
(XM) OFF AIR XM channel not in service. Try another XM channel.
(XM) NO SIGNAL Loss of signal.Both terrestrial and satellite antennas have
lost signal. Park the vehicle outside with a
clear view of the southern horizon.
(XM) UPDATING XM radio is receiving
information update from the
network. This message disappears once the update
finishes.
(XM) CHECK ANTENNA XM antenna error. Repair open or short in the satellite antenna.
Substitute the XM antenna with a known-
good one, and recheck. If the error is gone,
replace the original XM antenna. If the error
is still present, replace the antenna lead.
(XM) ANTENNA ERROR
No signal from XM.Check a known-good vehicle with XM radio.
If the known-good vehicle has the same
symptoms, contact XM Satellite Radio at
800-852-9696.
CODE ERROR 1 Anti-theft code mismatch
(1 try). Enter the correct anti-theft code.
CODE ERROR E Anti-theft code mismatch
(10 try). Remove the No. 23 (10 A) fuse in the under-
hood fuse/relay box, then reinsert it. You will
have 10 more tries to enter the correct anti-
theft code.
NOTE: Do XM error codes checks with the vehicle parked outside with a clear view of the southern horizon.
st
th
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PC card will not play/card icon on audio
screen cannot be selected (with navigation)
23-67
Unfortunately there are no error messages, and no
diagnostics for the PC card. There are many reasons
why a card won’t play audio files in the audio unit. The card may not be fully inserted into the slot. Eject the card, and inspect for warping or damage to the
edge connector. N ever use excessive force to insert a
card. This can result in damage to the pins in the rear
of the slot.
 The client’s card may contain audio files that are not recognized by the system. Only MP3, and WMA
music files are played.
 The flash card type may not be accepted by the system. Only Compact Flash and ATA cards have
been tested.
 The card’s PCMCIA adaptor may be preventing a known-good card from playing. New PCMCIA
adaptors are constantly being released, and have not
been tested.
 The card’s capacity may exceed 1 GB. Only cards with capacities of up to 1 GB (1000 MB) have been
tested.
 There may not be any files on the card. Some cards have write protection, make sure it is turned off
before putting files on the card.
 Although flash memory chips are reliable, occasionally they develop bad sectors or other
formatting errors that prevents them from playing.
The customer should re-format the card using the
FAT, or FAT32 format.  The card may have been damaged by heat. Suggest
that the client remove their card when exiting the
vehicle.
 The client may have formatted the card using the format NTFS. Only the formats FAT, and FAT32 are
accepted by the system.
 Hard Disc Drive (HDD) cards may not work properly in the system and can overheat and quit functioning,
particularly in a hot vehicle. They are not
recommended.
 The filing structure of the card may exceed the specification of 8 folder levels deep, 99 folders
maximum, and 999 total tracks maximum. If any of
these limitations is exceeded, the system may not
properly display or play the tracks.
NOTE: A delay when first inserting a card is normal.
The system is reading the File Tag information for
album names, artist, and song titles and there is no
hour glass, The delay length depends on the number of
tracks, and the complexity of the folder structure.
See the audio section glossary for an explanation of the
terms used above.
08/08/21 14:05:32 61SNR030_230_0070
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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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