Speakers Inoperative - One Or Mdre , (One Rear Speaker Inoperative) - GMC Chevrolet Camaro 1998 Service Manual

8-236 Entertainment
Body and Accessories
Speakers Inoperative - One or More (One Rear Speaker Inoperative)
Step Action Value(s) Yes No
Was the entire Radio/Audio System System Check
Goto
1
performed?
-
Radio/Audio
Go to Step 2 System Check
1. Turn the ignition switch to the ACCY position.
2. Turn the radio on.
3. Insert a cassette or compact disc from
J
39916.
4. Set the radio balance and fade controls to the detent
(center) position.
2
5.
Set the radio volume at the normal listening level.
OV AC
6. Play the combination test tone from the cassette
or CD.
7. Use a DMM in order to backprobe the inoperative
speaker connector between terminal A and
terminal B.
Is the voltage greater than OV AC? Go to Step 3 Go to Step 4
1. Inspect for a poor connection at the inoperative
speaker assembly.
3
2. Replace the speaker if the connection is OK. Refer to
- -
Speaker Replacement (Coupe) or Speaker
Replacement (Convertible)
Is the repair complete? Go to step 7
1. Turn the ignition switch to the OFF position.
2. Disconnect the radio connector C3.
4
3. Probe the radio connector C3 between terminal 19
and terminal 20 (left) or terminal 17 and terminal 18
100
(right) in order to measure the resistance with
aDMM.
Is the resistance approximately 1 on?
Go to Step 5 Go to Step 6
1. Inspect the feed (+) and the return (-) circuits for a
short to B+ or ground between the speaker and
the radio.
2. Inspect for a poor connection at the radio
5
connector C3 terminal 19 and terminal 20 (left) or
terminal 17 and terminal 18 (right).
-
-
3. Replace the radio if the connections are OK. Refer to
Radio Replacement (Chevrolet) or Radio
Replacement (Pontiac)
Is the repair complete? Go to Step
7
Repair the open or the poor connection in the speaker
6
feed (+) or the return (-) circuit between the inoperative
speaker and the radio connector C3.
- -
Is the repair complete? Go to Step 7
1. Turn the ignition switch to the OFF position.
Go to
7
2. Reconnect all connectors/components removed.
-
Radio/Audio
-
Have all the repairs been made? System Check