No Radio and No Sound From Speakers
Step
| Action
| Value(s)
| Yes
| No
|
1
| Where you
sent here from the Radio/Audio System Check?
| --
|
Go to Step 2
| Go to Radio/Audio System Check
|
2
|
- Disconnect the Radio connector C1.
- Turn the ignition switch to the ON position.
- Connect a DMM between the radio connector C1 terminal 10 and ground.
- Measure the available voltage at the radio connector C1 terminal
10 with the ignition switch ON.
Is the voltage within the specified range?
| 10.0 -14.0V
|
Go to Step 3
|
Go to Step
8
|
3
| Using a DMM, measure the voltage between the radio connector
C1 terminal 10 and terminal 5.
Is the voltage within the specified range?
| 10.0 -14.0V
|
Go to Step 4
|
Go to Step
9
|
4
|
- Reconnect all radio connectors.
- Disconnect the Bose® Relay #43.
- Connect a DMM between the CKT 145 terminal inside of the instrument
panel electrical center and ground.
- Turn the ignition switch to the ON position.
- Turn the radio to the ON position.
- Measure the available voltage between CKT 145 terminal inside
of the instrument panel electrical center which is used for the Bose®
Relay #43.
Is the voltage within the specified range?
| 10.0 -14.0V
|
Go to Step 5
|
Go to Step
7
|
5
|
- Disconnect the Bose® Processor connector.
- Connect a DMM between the Bose® Processor connector terminal
A8 and ground.
- Turn the ignition switch to the ON position.
- Turn the radio to the ON position.
- Measure the voltage between the Bose® Processor connector
terminal A8 and ground.
Is the voltage within the specified range?
| 10.0 -14.0V
|
Go to Step 6
|
Go to Step
7
|
6
|
- Turn the ignition switch to the OFF position.
- Disconnect the radio connector C2.
- Disconnect the compact disc player connector.
- Connect a DMM between the radio connector C2 terminal 15 and ground.
- Turn the ignition switch to the ON position.
- Check the radio connector C2 terminal 15 for a short to battery
power.
Is CKT 835 shorted to battery power?
| --
|
Go to Step 11
|
Go to Step
10
|
7
| Repair a poor connection or an open in CKT 145 between
the radio connector C1 terminal 8 and the Bose® Relay #43 or the Bose®
Signal Processor.
Is the repair complete?
| --
| Go to Radio/Audio System Check
| --
|
8
| Check the
RDO/CD MiniFuse® #5 for an open circuit.
Is the fuse open?
| --
|
Go to Step 15
|
Go to Step 14
|
9
| Repair a
poor connection or an open in CKT 351 between the radio connector C1 and G201.
Is the repair complete?
| --
| Go to Radio/Audio System Check
| --
|
10
|
- Turn the ignition switch to the OFF position.
- DMM is still connected between the radio connector terminal 15
and ground.
- Measure the resistance between the radio connector C2 terminal
15 and ground.
Is CKT 835 shorted to ground?
| --
|
Go to Step
13
|
Go to Step 12
|
11
| Repair a short to battery power in CKT 835.
Is the repair complete?
| --
| Go to Radio/Audio System Check
| --
|
12
| Replace
the radio.
Is the repair complete?
| --
| Go to Radio/Audio System Check
| --
|
13
| Repair
a short to ground in CKT 835.
Is the repair complete?
| --
| Go to Radio/Audio System Check
| --
|
14
| Repair
a poor connection or an open in CKT 440 between the radio connector C1 and
the instrument panel electrical center.
Is the repair complete?
| --
| Go to Radio/Audio System Check
| --
|
15
| Repair
a short to ground in CKT 440.
Is the repair complete?
| --
| Go to Radio/Audio System Check
| --
|
