Acura CSX. Manual — part 638
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23-263
Audio Remote Switch Replacement
AM/FM Antenna Amplifier
Replacement
A
B
SRS components are located in this area. Review the
SRS component location (see page 24-11).
Also review the precautions and procedures (see page
24-13) in the SRS section before doing repairs or
service.
1. Remove the steering wheel (see page 17-6).
2. Remove the audio remote switch (see page 17-7).
3. Install the audio remote switch in the reverse order
of removal.
1. Remove the right side C-pillar trim (see page 20-75).
2. Disconnect the connectors (A) from the AM/FM
antenna amplifier (B).
3. Remove the bolt and AM/FM antenna amplifier.
4. Install the unit in the reverse order of removal.
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23-264
Audio System
XM Antenna Replacement
AM/FM Antenna Repair
A
B
C
C
B
A
A
1. Remove the headliner (see page 20-84).
2. Remove the nut (A) from the XM antenna (B).
3. Disconnect the connector (C) and remove the XM
antenna.
4. Install the antenna in the reverse order of removal.
NOTE: To make an effective repair, the broken section
must not be longer than one inch.
1. Lightly rub the area around the broken section (A)
with fine steel wool, then clean it with alcohol.
2. Carefully mask above and below the broken portion
of the window antenna wire (B) with cellophane
tape (C).
3. Mix the silver conductive paint thoroughly. Using a
small brush, apply a heavy coat of paint (A)
extending about 1/8’’ on both sides of the break.
Allow 30 minutes to dry.
4. Check for continuity in the repaired wire.
5. Apply a second coat of paint in the same way. Let it
dry 3 hours before removing the tape.
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Navigation System
Component Location Index
ECM/PCM
(Vehicle Speed Pulse)
GPS ANTENNA
HFL-NAVIGATION MICROPHONE
(Inside the map light)
NAVIGATION UNIT
HFL-VOICE CONTROL SWITCH
CD, DVD, and PC Card
Removal/Installation, page 23-358
Replacement, page 23-358
Removal/Installation, page 23-355
Test, page 23-357
Replacement, page 23-357
Removal/Installation, page 23-354
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General Operation
Anti-theft Feature
Symptom Diagnosis
Self-Inertial Navigation Limitations
Global Positioning System (GPS) Limitations
23-266
Navigation System
General Troubleshooting Information
Refer to the navigation system manual for the
navigation system operating procedures.
The navigation system and audio unit have a coded
theft protection circuit. Make sure you have the anti-
theft security code before:
• Disconnecting the battery.
• Disconnecting the navigation unit connector A (24P)
and C (8P).
• Removing the No. 23 (10 A) fuse from the under-hood
fuse/relay box.
After service, reconnect power to the navigation unit,
and turn the ignition switch to ON (II). Enter the 4-digit
anti-theft security code, then select Done.
If the code cannot be found, use the interactive Network
(iN) to look it up. You can view the serial number in one
of the ECU Info diagnostic screens (see page 23-305).
Alternatively, you can find the serial number on the
underside label which is located on the navigation unit
in the trunk.
When replacing the navigation unit, be sure to give the
customer the new anti-theft security code.
Certain circumstances and system limitations will result
in occasional vehicle positioning errors. Some client’s
may think this indicates a problem with the navigation
system when, in fact, the system is normal. Keep the
following items in mind when interviewing client’s
about symptoms of the navigation system.
The limitations of the self-inertial portion of the
navigation system (the yaw rate sensor and the vehicle
speed signal) can cause discrepancies between the
vehicle’s actual position and the indicated vehicle’s
position (GPS vehicle position).
The following circumstances may cause vehicle
positioning errors:
• Moving the vehicle with the engine stopped and the
vehicle stopped, such as by ferry or tow truck, or if
the vehicle is spun on a turn table.
• Tire slippage, changes in tire rolling diameters, and
some driving situations may cause discrepancies in
travel distances. Examples of this include:
– Continuous tire slippage on a slippery surface
– Driving with snow chains mounted
– Abnormal tire pressure
– Incorrect tire size
– Frequent lane changes across a wide highway
– Continuous driving on a straight or gently curving
highway
– Very bumpy roads
• Tolerances in the system and map inaccuracies
sometimes limit how precisely the vehicle’s position
is indicated. Examples of this include:
– Driving on roads not shown on the map (map
matching is not possible)
– Driving on a road that winds in one direction, such
as a loop bridge, an interchange, or a spiral parking
garage
– Driving on a road with a series of sharp hair-pin
turns
– Driving near a gradual highway exit or transition
– Driving on one of two close parallel roads
– Making many 90 degree turns
The GPS cannot detect the vehicle’s position or
elevation during the following instances:
• For the first 5 to 10 minutes after reconnecting the
battery (this process can take as long as 45 minutes).
• When the satellite signals are blocked by tall
buildings, mountains, tunnels, large trees, inside
parking structures or large trucks.
• When the GPS antenna is blocked by metallic
window tinting or by an object placed above it in the
vehicle. The GPS antenna requires a clear
unobstructed view of the sky.
• When there is no satellite signal output (signal output
is sometimes stopped for satellite servicing).
• When the satellite signals are blocked by the
operation of some electronic aftermarket accessories
including, but not limited to non-OEM in-dash
entertainment units (radio, CD players/changers,
radar detectors and theft recovery systems) and cell
phones placed near the navigation system.
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