Speakers Inoperative - One Or More (No Sound, Radio Oper. Normally); Speakers Inoperative - One Or More (One Front Tweeter Inoperative) - GMC Chevrolet Camaro 1998 Service Manual

8-232 Entertainment Body and Accessories
Speakers Inoperative - One or More (No Sound, Radio. Oper. Normally)
Step
Action Value(s) Yes No
Was the entire Radio/Audio System System check
Go to
1 performed?
-
Radio/Audio
Go to Step 2 System Check
(
.
1. Disconnect the amplifier connector.
2. Turn the ignition switch to the ACCY position.
3. Turn the radio on.
4. Insert a cassette or compact disc from J 39916.
5. Set the radio balance and fade controls to .the detent
(center) position.
2
6. Set the radio volume at the normal listening level.
OVAC
7. Play the combination test tone from the cassette
or CD.
8. Backprobe the speaker assembly connector between
terminals E6 and E7.
9. Record the voltage reading.
Is the voltage greater than OV AC? Go to Step 3 Go to Step 4
Replace the amplifier. Refer to Amplifier Replacement
3
(Coupe) Amplifier Replacement (Convertible)
-
-
Is the repair complete? Goto Step 5
Replace the radio. Refer to Radio Replacement
4
(Chevrolet) Radio Replacement (Pontiac) -
-
Is the repair complete? Go to Step 5
1. Turn the ignition switch to the OFF position.
Go to
5
2. Reconnect all connectors/components removed.
-
Radio/Audio
-
Have all the repairs been made?
System Check
(
Speakers Inoperative - One or More (One Front Tweeter Inoperative)
Step Action Value(s) Yes No
Was the entire Radio/Audio System System Check
Go to
1 performed?
-
Radio/Audio
Go to Step 2 System Check
1. Disconnect the connector C240.
2. Turn the ignition switch to the ACCY position.
3. Turn the radio on.
4. Insert a cassette or compact disc from J 39916.
5. Set the radio balance and fade controls to the detent
2
(center) position.
OVAC
6. Set the radio volume at the normal listenin,g level.
7. Play the tweeter test tone from the cassette or CD.
8. Use a DMM in order to measure the AC voltage
between C240 connector terminal B and terminal C
(left) or terminal F and terminal G (right}.
Is the voltage greater than OV AC? Go to Step 3 Go to Step 4
1. Reconnect the connector C240.
2. Disconnect the inoperative speaker connector.
3
3. Use a DMM in order to measure the AC voltage
OVAC
between the speaker connector terminal A and
terminal B on the harness side.
Is the voltage greater than OV AC? Go to Step 5 Go to Step 6
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