Dodge 2000 DURANGO Service Manual page 345

DN
DIAGNOSIS AND TESTING (Continued)
CONDITION
NO AUDIO
NO DISPLAY
CLOCK WILL NOT KEEP
SET TIME
POOR RADIO RECEPTION
NO/POOR TAPE
OPERATION
Audio System Diagnosis
POSSIBLE CAUSE
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. Fuse faulty.
2. Radio connector faulty.
3. Wiring faulty.
4. Ground faulty.
5. Radio faulty.
1. Fuse faulty.
2. Radio connector faulty.
3. Wiring faulty.
4. Ground faulty.
5. Radio faulty.
1. Antenna faulty.
2. Ground faulty.
3. Radio faulty.
4. Faulty EMI or RFI noise
suppression.
1. Faulty tape.
2. Foreign objects behind
tape door.
3. Dirty cassette tape head.
4. Faulty tape deck.
AUDIO SYSTEMS
CORRECTION
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.
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.
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.
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.
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.
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