Acura CSX. Manual — part 571
Cavity
Wire
Test condition
Test: Desired result
Possible cause if desired result
is not obtained
Cavity
Wire
Test condition
Test: Desired result
Possible cause if desired result
is not obtained
22-331
5. With the connector still disconnected, do these input tests at the following 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
ORN
Under all
conditions
Measure the voltage between
immobilizer-keyless control unit
7P connector terminals No. 1
and body ground:
There should be battery voltage.
Blown No. 23 (10 A) fuse in
the under-hood fuse/relay
box
An open in the wire
2
YEL
Ignition switch ON
(II)
Measure the voltage to ground:
There should be battery voltage.
Blown No. 2 (15 A) fuse in the
under-dash fuse/relay box
An open in the wire
6. Reconnect the connector to the immobilizer-keyless control unit, and do these input tests at the following
connector.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, the immobilizer-keyless control unit must be faulty; replace it.
•
•
•
•
•
7
BLK
Under all
conditions
Measure the voltage to ground:
There should be less than 0.5 V.
Poor ground (G101)
An open in the wire
6
PNK
Ignition key
inserted into the
ignition switch
Measure the voltage to ground:
There should be less than 1 V.
Poor ground (G504)
Faulty ignition key switch
An open in the wire
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22-332
Immobilizer System
Immobilizer-keyless Control Unit Replacement
A
B
1. Remove the driver’s dashboard lower cover
(see page 20-102).
2. Remove the steering column covers (see page
17-9).
3. Disconnect the 7P connector (A) from the
immobilizer-keyless control unit (B).
4. Remove the two screws and the immobilizer-
keyless control unit.
5. Install the immobilizer-keyless control unit in the
reverse order of removal.
6. After replacement, register the immobilizer-keyless
control unit (see page 22-329), and make sure the
immobilizer system works properly.
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23-3
Audio System
Component Location Index
RIGHT TWEETER
AUDIO UNIT (6 CD type)
(’06-07 premium models
without navigation)
LEFT TWEETER
AUDIO REMOTE SWITCH
LEFT REAR SPEAKER
FRONT PASSENGER’S
DOOR SPEAKER
AM/FM ANTENNA SUBLEAD
DRIVER’S DOOR SPEAKER
AM/FM ANTENNA LEAD
AM/FM ANTENNA AMPLIFIER
RIGHT REAR SPEAKER
AM/FM ANTENNA
NAVIGATION UNIT
(with navigation)
SUBWOOFER (Type S model)
STEREO AMPLIFIER (Type S model)
AUDIO UNIT (1 CD type)
(’06-07 Touring models and
’08 model without navigation)
AUXILIARY JACK ASSEMBLY
(’07-08 models)
XM RECEIVER (’08 model with navigation)
XM ANTENNA LEAD
(’08 model with navigation)
XM ANTENNA
(’08 model with navigation)
Replacement, page 23-84
Connector Inputs and Outputs,
page 23-11
Removal/Installation,
page 23-80
Replacement, page 23-84
Test, page 23-86
Replacement, page 23-86
Replacement, page 23-84
Replacement, page 23-83
Replacement, page 23-83
Replacement, page 23-87
Replacement, page 23-84
Repair, page 23-87
Connector Inputs and Outputs,
page 23-11
Removal/Installation,
page 23-155
Replacement, page 23-85
Connector Inputs and Outputs, page 23-15
Removal/Installation, page 23-83
Connector Inputs and Outputs,
page 23-11
Removal/Installation,
page 23-81
Connector Inputs and Outputs,
page 23-19
Replacement, page 23-85
Connector Inputs and Outputs, page 23-17
Removal/Installation, page 23-82
Replacement, page 23-88
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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 input 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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