Audio System Diagnosis
CONDITION POSSIBLE CAUSE CORRECTION
NO AUDIO 1. Fuse faulty.
2. Radio connector faulty.
3. Wiring faulty.
4. Ground faulty.
5. Radio faulty.
6. Speakers faulty.
7. Amplifier faulty (if
equipped).
1. Check radio fuses in junction block. Replace
faulty fuses, if required.
2. Check for loose or corroded radio connections.
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 Radio in the Diagnosis and Testing
section of this group.
6. Refer to Speaker in the Diagnosis and Testing
section of this group.
7. Refer to Speaker in the Diagnosis and Testing
section of this group.
NO DISPLAY 1. Fuse faulty.
2. Radio connector faulty.
3. Wiring faulty.
4. Ground faulty.
5. Radio faulty.
1. Check radio fuses in junction block. Replace
faulty fuses, if required.
2. Check for loose or corroded radio connections.
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 Radio in the Diagnosis and Testing
section of this group.
CLOCK WILL NOT KEEP
SET TIME
1. Fuse faulty.
2. Radio connector faulty.
3. Wiring faulty.
4. Ground faulty.
5. Radio faulty.
1. Check ignition-off draw fuse. Replace faulty
fuse, if required.
2. Check for loose or corroded radio connections.
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 Radio in the Diagnosis and Testing
section of this group.
POOR RADIO RECEPTION 1. Antenna faulty.
2. Ground faulty.
3. Radio faulty.
4. Faulty EMI or RFI noise
suppression.
1. Refer to Antenna in the Diagnosis and Testing
section of this group.
2. Check for continuity between radio chassis and
a known good ground. There should be
continuity. Repair ground, if required.
3. Refer to Radio in the Diagnosis and Testing
section of this group.
4. Refer to Radio Frequency Interference in the
Diagnosis and Testing section of this group.
NO/POOR TAPE
OPERATION
1. Faulty tape.
2. Foreign objects behind
tape door.
3. Dirty cassette tape head.
4. Faulty tape deck.
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.
DN AUDIO SYSTEMS 8F - 5
DIAGNOSIS AND TESTING (Continued)
To Next Page