Chrysler 300M 2002 Service Manual page 221

8A - 2 AUDIO
AUDIO SYSTEM (Continued)
• Two 2.5 inch, coaxial speakers in the lower cor-
ners of the front door windows.
• Two 6.5 inch, round single-cone speakers in the
front doors.
• Two 6 x 9-inch, single-cone speakers mounted in
the rear shelf panel.
• Two 2.5 inch, round speakers mounted in the
rear doors.
OPERATION
For operation of the factory installed standard and
optional radios with cassette or compact disc player,
refer to the Sound Systems Operating Instructions in
the Owners Manual supplied with the vehicle.
The vehicles are shipped with fuse 13 removed
from the junction block. The fuse replaces the igni-
tion-off draw (IOD) connector. Fuse 13 is a ten amp
fuse. When removed, it prevents the battery from
discharging during storage. For specific wiring and
location, refer to the appropriate wiring information.
The wiring information includes wiring diagrams,
proper wire and connector repair procedures, details
of wire harness routing and retention, connector pin-
out information and location views for the various
wire harness connectors, splices and grounds.
DIAGNOSIS AND TESTING - AUDIO SYSTEM
CAUTION: The CD player will only operate between
approximate temperatures of -23°C and +65°C (-10°F
and +145°F).
CONDITION
NO AUDIO
AUDIO SYSTEM DIAGNOSIS TABLE
POSSIBLE CAUSES
1. Fuse faulty.
2. Radio connector faulty.
3. Wiring faulty.
4. Radio ground faulty.
5. Radio faulty.
6. Speakers faulty.
Whenever a radio malfunction occurs;
(1) First check FUSES in the Junction Block:
(a) Radio power
(b) Ignition feed
(c) Power Amplifier
(d) Illumination
(e) Memory feed
Any diagnosis of the Audio system should
begin with the use of the DRB diagnostic tool.
For information on the use of the DRB, refer to
the appropriate Diagnostic Service Manual.
Refer to the appropriate wiring information. The
wiring information includes wiring diagrams, proper
wire and connector repair procedures, details of wire
harness routing and retention, connector pin-out
information and location views for the various wire
harness connectors, splices and grounds.
WARNING: DISABLE
BEFORE ATTEMPTING ANY STEERING WHEEL,
STEERING COLUMN, SEAT BELT TENSIONER, SIDE
AIRBAG, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISO-
LATE THE BATTERY NEGATIVE (GROUND) CABLE,
THEN WAIT TWO MINUTES FOR THE AIRBAG SYS-
TEM CAPACITOR TO DISCHARGE BEFORE PER-
FORMING FURTHER DIAGNOSIS OR SERVICE. THIS
IS THE ONLY SURE WAY TO DISABLE THE AIRBAG
SYSTEM. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
CORRECTION
1. Check radio fuse and Ignition-Off Draw (IOD)
fuse in Junction Block (JB). Replace fuses, if
required.
2. Check for loose or corroded radio connector.
Repair, if required.
3. Check for shorted or open wires. Repair wiring,
if required.
4. Check for continuity between radio chassis and
a known good ground. There should be
continuity. Repair ground, if required.
5. Refer to appropriate Diagnostic Service
Manual.
6. Replace speaker as necessary.
THE AIRBAG SYSTEM
LH