bluetooth ACURA CSX 2006 Service User Guide

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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. 2 (IG) (50 A)
BATTERY
No. 1 (BAT) (100 A)
BRN
BRN
2
GRN 3
BLK
G501 1
CABLE REEL
H1
D4
G2
B ACC
MICU
13 HFL-VOICE CONTROL SWITCH4
LIGHTS
(LEDx4)
5 PUR
UNDER-DASH FUSE/RELAY BOX
No. 35 (7.5 A)
GND 20BLUETOOTH
TRANSCEIVER
1k
HANDSFREELINK CONTROL UNIT
VOICE
CONTROL
SWITCH
HFL
BACK HFL
TALK
47 180 A
C2
No. 4 (10 A) FUSE
(In the under-hood
fuse/relay box) ORN/WHT 10
20
HFL
STRG
SW
DASH LIGHTS
BRIGHTNESS
CONTROLLER RED BRN
BRN
1
2
11
12
RED/BLK
08/08/21 14:18:39 61SNR030_230_0377
ProCarManuals.com
DYNOMITE -2009-

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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-