ACURA CSX 2006 Service Repair Manual

(#'# .
)(#'#
)
µ
µµ µ
µ
µ
µ
µ
µ
µ
DTC B1792: The HFL system does not recognize all voice
prompts
YES
NO YES
NO
YES
NO
YES
NO
YES
NO
23-38223-382HandsFreeLink System
DTC Troubleshooting (cont’d) Symptom Troubleshooting
HandsFreeLink Control Unit
Internal Error
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0), then turn it to
ON (II).
3. Check for DTCs with the HDS.
Replace the HandsFreeLink control unit.
Intermittent failure, the system is OK at this
time. 1. Connect the HDS to the DLC.
2. Clear the DTCs with the HDS.
3. Turn the ignition switch to LOCK (0), then turn it to
ON (II).
4. Check for DTCs.
Repair the indicated DTCs.
Go to step 5.
5. Check if the problem is duplicated.
Go to step 6.
The system is OK at this time. Ask the
customer to demonstrate the problem.
6. Check if the navigation system can recognize voice prompts.
Go to step 7.
Refer to the navigation system
troubleshooting (see page 23-342).
7. Pair the client’s phone to a known-good vehicle and try to duplicate the problem.
Call the HFL support desk at 888-528-7876,
and inquire if there are any known issues for the
problem. If there are no known issues, explain to
the client’s this is a system characteristic and
cannot be improved at this time.
Substitute a known-good HFL-navigation
microphone (see page 23- 358). If the problem is
still present, substitute a known-good
HandsFreeLink control unit (see page 23-388). If the
problem goes away, replace the original HFL-
navigation microphone.
Is DTC B1792 indicated?
Ar e t her e any DT Cs i nd i cat ed ?
Can the client’s problem be duplicated?
Can the voice prompts be recognized?Can y ou d upl i cat e t he pr obl em?
08/08/21 14:18:41 61SNR030_230_0385
ProCarManuals.com
DYNOMITE -2009-

(#'#
)(#'#
)
µ
µ
µ
µ
µ
µ
The HFL system is locked and the pass code
has been lost or forgotten HFL message cannot be heard or are weak
YES
NO
YES
NO
YES
NO
23-38323-383
1. Connect the HDS to the DLC.
2. Turn the ignition switch to ON (II).
3. From the Body Electrical menu, select
HandsFreeLink.
4. Select Miscellaneous Tests, then select Pass code reset.
5. Follow the HDS prompts to reset the pass code. 1. Turn the ignition switch to ON (II).
2. Check that the audio system is operating normally,
and the speaker sound l evels from different audio
sources (AM/FM, CDs, etc.).
Go to step 3.
Refer to the audio system symptom
troubleshooting.
3. Check the navigation voice recognition system.
Go to step 4.
Refer to the navigation system
troubleshooting.
4. Check the audio system when HFL messages are played.
Go to step 5.
Go to step 10.
5. Turn the ignition switch to LOCK (0).
6. Disconnect navigation unit connector B (24P) and the HandsFreeLink control unit 28P connector.
(cont’d)
Does the audio system work normally, and is theaud i o out put f r om t he speak er nor mal w henpl ay i ng v ar i ous aud i o sour ces?
Does the voice recognition system work properly?
Dose t he aud i o sy st em mut e w hen H F L messagesar e bei ng pl ay ed ?
08/08/21 14:18:42 61SNR030_230_0386
ProCarManuals.com
DYNOMITE -2009-

Î
Î
µ´
µ
µ µ
µ
YES
NO From terminal To terminals
YES
NO
23-384 HandsFreeLink System
Symptom Troubleshooting (cont’d)
HANDSFREELINK CONTROL UNIT 28P CONNECTOR
TELM SIG (PNK)TELM SIG (BLU)
HANDSFREELINK CONTROL UNIT 28P CONNECTOR
7. Check for continuity between body ground andHandsFreeLink control unit 28P connector terminal
No. 11 and No. 25 individually.
Short to body ground in the wire(s) between
the HandsFreeLink control unit and the navigation
unit. Replace the affected shielded harness.
Go to step 8. 8. Check for continuity between terminals of the
HandsFreeLink control unit 28P connector
accordingtothetable.
11 (BLU) 25 (PNK), 26 (GRY)
25 (PNK) 26 (GRY)
Short in the wire(s) between the
HandsFreeLink control unit and the navigation unit.
Replace the affected shielded harness.
Go to step 9.
Wire side of female terminals Wire side of female terminals
Is there continuity?I s t her e cont i nui t y bet w een any of t he t er mi nal s?
08/08/21 14:18:42 61SNR030_230_0387
ProCarManuals.com
DYNOMITE -2009-

ÎÎ
´
µ
´
µ
µ
µ µ
µ
YES
NO YES
NO
23-385
TELM SIG (BLU)
HANDSFREELINK CONTROL UNIT 28P CONNECTOR
TELM SIG (PNK)
TELM SIG (BLU)
TELM SIG (PNK)
NAVIGATION UNIT CONNECTOR B (24P) HANDSFREELINK CONTROL UNIT 28P CONNECTOR
HFL MUTE (LT BLU)
9. Check for continuity between HandsFreeLinkcontrol unit 28P connector terminal No. 11 and
No. 25 and navigation unit connector B (24P)
terminal No. 21 and No. 9.
Substitute a known-good HandsFr eeLink
control unit (see page 23-388), and recheck. If the
symptom/indication goes away, replace the
original HandsFreeLink control unit. If the
symptom/indication is still present, replace the
navigation unit (see page 23-355).
Open in the wire(s) between HandsFreeLink
control unit and the navigation unit. Replace the
affected shielded harness. 10. Turn the ignition switch to LOCK (0).
11. Disconnect navigation unit connector B (24P) and
the HandsFreeLink control unit 28P connector.
12. Check for continuity between body ground and HandsFreeLink control unit 28P connector terminal
No. 3.
Repair short to body ground in the wire
between the HandsFreeLink control unit and the
navigation unit.
Go to step 13.
(cont’d)
Wire side of female terminalsWire side of female terminals Wire side of female terminals
I s t her e cont i nui t y ?
I s t her e cont i nui t y ?
08/08/21 14:18:42 61SNR030_230_0388
ProCarManuals.com
DYNOMITE -2009-

Î
Î
(#'#
)
µ
µµ µ
YES
NO YES
NO
The Bluetooth icon does not display
(the Bluetooth phone is linked)
23-38623-386HandsFreeLink System
Symptom Troubleshooting (cont’d)
HANDSFREELINK CONTROL UNIT 28P CONNECTOR
HFL MUTE (LT BLU)
NAVIGATION UNIT CONNECTOR B (24P) HFL MUTE (LT BLU)
HANDSFREELINK CONTROL UNIT 28P CONNECTOR
HFL ICON (LT GRN)
13. Check for continuity between HandsFreeLinkcontrol unit 28P connector terminal No. 3 and
navigation unit connector B (24P) terminal No. 8.
Substitute a known-good HandsFr eeLink
control unit (see page 23-388), and recheck. If the
symptom/indication goes away, replace the
original HandsFreeLink control unit. If the
symptom/indication is still present, replace the
navigation unit (see page 23-355).
Repair open in the wire between
HandsFreeLink control unit and the navigation
unit. 1. Turn the ignition switch to ON (II).
2. Disconnect navigation unit connector B (24P) and
the HandsFreeLink control unit 28P connector.
3. Check for continuity between body ground and HandsFreeLink control unit 28P connector terminal
No. 19.
Repair short to body ground in the wire
between the HandsFreeLink control unit and the
navigation unit.
Go to step 4.
Wire side of female terminals
Wire side of female terminals Wire side of female terminals
Is there continuity?
Is there continuity?
08/08/21 14:18:42 61SNR030_230_0389
ProCarManuals.com
DYNOMITE -2009-

Î
Î
(#'#

)
µ
µ
YES
NO
HFL Switch
Position Resistance
23-38723-387
HFL Switch Test
HANDSFREELINK CONTROL UNIT 28P CONNECTOR
HFL ICON (LT GRN)
NAVIGATION UNIT CONNECTOR B (24P) HFL ICON (LT GRN)
4. Check for continuity between HandsFreeLink
control unit 28P connector terminal No. 19 and
navigation unit connector B (24P) terminal No. 20.
Substitute a known-good HandsFr eeLink
control unit (see page 23-388) and recheck. If the
symptom/indication goes away, replace the
original HandsFreeLink control unit. If the symptom
/indication is still present, replace the navigation
unit (see page 23-355).
Repair open in the wire between
HandsFreeLink control unit and navigation unit. 1. Remove the HFL-voice control switch (see page
23-357).
2. Measure resistance between the terminals No. 3 andNo.4ineachswitchpositionaccordingtothe
table.
No button pressed About 1 k
HFL Talk button pressed About 185
HFL Back button pressed About 45
3. If the resistance is not as specified, replace the HFL- voice control switch.
Wire side of female terminals
Wire side of female terminals
Is there continuity?
08/08/21 14:18:43 61SNR030_230_0390
ProCarManuals.com
DYNOMITE -2009-

Î
Î
(#'#

)
µ
µ
YES
NO
HFL Switch
Position Resistance
23-38723-387
HFL Switch Test
HANDSFREELINK CONTROL UNIT 28P CONNECTOR
HFL ICON (LT GRN)
NAVIGATION UNIT CONNECTOR B (24P) HFL ICON (LT GRN)
4. Check for continuity between HandsFreeLink
control unit 28P connector terminal No. 19 and
navigation unit connector B (24P) terminal No. 20.
Substitute a known-good HandsFr eeLink
control unit (see page 23-388) and recheck. If the
symptom/indication goes away, replace the
original HandsFreeLink control unit. If the symptom
/indication is still present, replace the navigation
unit (see page 23-355).
Repair open in the wire between
HandsFreeLink control unit and navigation unit. 1. Remove the HFL-voice control switch (see page
23-357).
2. Measure resistance between the terminals No. 3 andNo.4ineachswitchpositionaccordingtothe
table.
No button pressed About 1 k
HFL Talk button pressed About 185
HFL Back button pressed About 45
3. If the resistance is not as specified, replace the HFL- voice control switch.
Wire side of female terminals
Wire side of female terminals
Is there continuity?
08/08/21 14:18:43 61SNR030_230_0390
ProCarManuals.com
DYNOMITE -2009-

Î
(#'#

)
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
ProCarManuals.com
DYNOMITE -2009-

(#'
/)
Restraints
Restraints
Seat Belts
SRS (Supplemental Restraint System)
................................................................ ................................................................
Special Tools . 24-2
..............................................................................
.......................................
..................................................................... ........................................
......................................
.......................................
.....................................................................
Component Location Index . 24-3
Front Seat Belt Replacement . 24-4
Rear Seat Belt Replacement . 24-7
Inspection . 24-9
.............................................................................. ......................
.................................................
................................................... ......................................... .......
....................................... ..............................
.....................................................
............................................................ ..........................................................................................
.............................................................. .........................................................
........................................... ..............................
..................................
.............................................
................................................ ................................
.............................. ......
............................................... .........................................
......................
........................................
...................................... ......................
.................................................
................................................... ......................................... .......
....................................... ..............................
.....................................................
............................................................ ..........................................................................................
.............................................................. .........................................................
........................................... ..............................
..................................
.............................................
................................................ ................................
.............................. ......
............................................... .........................................
......................
Component Location Index . 24-11
Precautions and Procedures . 24-13
General Troubleshooting Information . 24-22
ODS Unit Initialization . 24-26
ODS Unit Calibration . 24-27
ODS Unit Operation Check . 24-28
Driver’s Seat Position Sensor Operation Check . 24-29
DTC Troubleshooting Index . 24-30
Symptom Troubleshooting Index . 24-34
System Description . 24-35
Circuit Diagram . 24-40
DTC Troubleshooting . 24-48
Symptom Troubleshooting . 24-181
Component Replacement/Inspection After
Deployment . 24-185
Driver’s Airbag Replacement . 24-188
Front Passenger’s Airbag Replacement . 24-189
Side Airbag Replacement . 24-191
Side Curtain Airbag Replacement . 24-192
Airbag and Tensioner Disposal . 24-196
Cable Reel Replacement . 24-200
SRS Unit Replacement . 24-203
Side Impact Sensor (First) Replacement . 24-204
Side Impact Sensor (Second) Replacement . 24-205
Rear Safing Sensor Replacement . 24-206
Front Passenger’s Weight Sensor Replacement . 24-207
ODS Unit Replacement . 24-209
Front Impact Sensor Replacement . 24-210
Driver’s Seat Position Sensor Replacement . 24-211
Passenger’s Airbag Cutoff Indicator Illumination Bulb Test/Replacement . 24-212
08/08/21 13:54:05 61SNR030_240_0001
ProCarManuals.com
DYNOMITE -2009-










(#'
%)Ref. No. Tool Number Description Qty
24-2
Restraints
Special Tools
07HAZ-SG00500
DeploymentTool 1
07SAZ-TB4011A SRS Inflator Simulator 1
070AZ-SNAA100 SRS Simulator Lead J 1
07TAZ-001020A Backprobe Adapter, 17 mm 2
070AZ-SNAA200 SRS Simulator Lead K 1
070AZ-SNAA300 SRS Simulator Lead L 1
070AZ-SAA0100 SRS Short Canceller 2
07744-0010300 Pin Driver, 3.5 mm 1
07PAZ-001010A SCS Service Connector 1
08/08/21 13:54:05 61SNR030_240_0002
ProCarManuals.com
DYNOMITE -2009-