Chrysler 300M 2002 Service Manual page 222

LH
AUDIO SYSTEM (Continued)
CONDITION
NO RADIO DISPLAY
CLOCK WILL NOT KEEP
SET TIME
POOR RADIO RECEPTION
NO/POOR TAPE
OPERATION
NO COMPACT DISC
OPERATION
POSSIBLE CAUSES
1. Fuse faulty.
2. Radio connector faulty.
3. Wiring faulty.
4. Radio ground faulty.
5. Radio faulty.
1. Fuse faulty.
2. Radio connector faulty.
3. Wiring faulty.
4. Radio ground faulty.
5. Radio faulty.
1. Antenna faulty.
2. Radio ground faulty.
3. Radio noise suppression
faulty.
4. Radio faulty.
1. Faulty tape.
2. Foreign objects behind
tape door.
3. Dirty cassette tape head.
4. Faulty tape deck.
1. Faulty CD.
2. Foreign material on CD.
3. Condensation on CD or
optics.
4. Faulty CD player.
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 battery voltage at radio connector.
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.
1. Check Ignition-Off Draw (IOD) fuse in the
Junction Block (JB). Replace fuse, if required.
2. Check for loose or corroded radio connector.
Repair, if required.
3. Check for battery voltage at radio connector.
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.
1. (Refer to 8 - ELECTRICAL/AUDIO/ANTENNA
BODY & CABLE - DIAGNOSIS AND TESTING).
2. Check for continuity between radio chassis and
a known good ground. There should be
continuity. Repair ground, if required.
3. Repair or replace ground strap as necessary.
4. Refer to appropriate Diagnostic Service
Manual.
1. Insert known good tape and test operation.
2. Remove foreign objects and test operation.
3. Clean head with Mopar Cassette Head
Cleaner.
4. Exchange or replace radio, if required.
1. Insert known good CD and test operation.
2. Clean CD and test operation.
3. Allow temperature of vehicle interior to stabilize
and test operation.
4. Refer to appropriate Diagnostic Service
Manual.
AUDIO 8A - 3