Acura CSX. Manual — part 670
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−
−
YES
NO
HFL Switch
Position
Resistance
23-387
23-387
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 HandsFreeLink
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
and No. 4 in each switch position according to the
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 ther e continuity?
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Cavity
Wire
Test condition
Test: Desired result
Possible cause if result is not obtained
Cavity
Wire
Test condition
Test: Desired result
Possible cause if result is not obtained
23-388
HandsFreeLink 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.
• If the terminals look OK, go to step 5.
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
SNR9A000000000J2301ZCAT00
Restraints
Restraints
Seat Belts
SRS (Supplemental Restraint System)
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Special Tools
. 24-2
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Component Location Index
. 24-3
Front Seat Belt Replacement
. 24-4
Rear Seat Belt Replacement
. 24-7
Inspection
. 24-9
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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
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Ref. No.
Tool Number
Description
Qty
24-2
Restraints
Special Tools
07HAZ-SG00500
Deployment Tool
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
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