Dodge RAM TRUCK 1500 1995 Service Manual page 442

AUDIO SYSTEMS 8F - 3
RADIO DIAGNOSIS CHART
CONDITION
P O S S I B L E CAUSES
CORRECTION
NO AUDIO
1. Fuse faulty.
2 . Radio connector faulty.
3. Wiring faulty.
4. Ground faulty.
5 . Radio faulty.
6. Speakers faulty.
1. Check radio fuses in fuseblock module. Replace fuses, if required.
2 . Check for loose or corroded radio connector. Repair,
if required.
3. See Radio Connector illustration, in this group. Check for
battery voltage at radio feed cavities. Repair feed circuits,
if required.
4. Check for continuity between radio chassis and a known good
ground. There should be continuity. Repair radio ground,
if required.
5. Exchange or replace radio, if required.
6. See Speaker Diagnosis, in this group.
NO DISPLAY
1. Fuse faulty.
2 . Radio connector faulty.
3. Wiring faulty.
4. Ground faulty.
5. Radio faulty.
1. Check radio and panel lamps fuses in fuseblock module.
Replace fuse, if required.
2. Check for loose or corroded radio connector. Repair, j
if required.
3. See Radio Connector illustration, in this group. Check for
battery voltage at radio feed cavities. Repair feed circuits,
if required.
4. Check for continuity between radio chassis and a known good
ground. There should be continuity. Repair radio ground,
if required.
5 . Exchange or replace radio, if required.
NO MEMORY 1. Fuse faulty.
2. Radio connector faulty.
3. Wiring faulty.
4. Radio faulty.
1. Check ignition-off draw fuse. Replace fuse, if required.
2. Check for loose or corroded radio connector. Repair,
if required.
3. See Radio Connector illustration, in this group. Check for
battery voltage at battery feed cavity. Repair circuit, if required.
4. Exchange or replace radio, if required.
POOR RADIO RECEPTION 1. Antenna faulty.
2. Ground faulty.
3. Radio faulty.
1. See Antenna Diagnosis, in this group. Repair or replace
antenna, if required.
2. Check for continuity between radio chassis and a known good
ground. There should be continuity. Repair radio ground,
if required.
3. Exchange or replace radio, if required.
NO/POOR TAPE OPERATION 1. Faulty tape
2. Foreign objects behind tape door.
3. Faulty tape deck.
1. Insert known good tape and test operation.
2. Remove foreign objects and test operation.
3. Exchange or replace radio, if required.
NO COMPACT DISC
OPERATION
1. Faulty CD.
2. Foreign material on CD.
3. Condensation on CD or optics.
4. Faulty CD player.
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. Exchange or replace radio, if required.
J958F-2