DEFINITION: This table is used for diagnosing one or more speakers that are inoperative on a base audio system.

Was the Radio/Audio System Check performed?

--

Go to Step 2

Go to Radio/Audio System Check

1. Turn OFF the ignition.
2. Remove the radio and disconnect the connector.
3. At the radio connector, momentarily touch a 1.5 volt battery between the appropriate speaker circuits.

Does the speaker emit an audible pop?

--

Go to Step 3

Go to Step 4

Inspect for poor connections at the radio harness connector. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.

Did you find and correct the condition?

--

Go to Step 7

Go to Step 6

Test the inoperative speaker circuit for the following:

Did you find and correct the condition?

--

Go to Step 7

Go to Step 5

Replace the inoperative speaker.

Is the replacement complete?

--

Go to Step 7

--

1. Replace the radio and perform the set up procedure for the radio.
2. Install the scan tool.
3. Select RADIO THEFT from the SPECIAL FUNCTIONS menu.
4. Follow the instructions on the screen.

Did you complete the replacement?

--

Go to Step 7

--

Verify that all speakers operate properly.

Do all speakers operate properly?

--

System OK

Go to Step 2

DEFINITION: This table is used to diagnose no sound from one or more speakers (including rear sub woofer speakers) on a BOSE® audio system.

Was the Radio/Audio System Check performed?

--

Go to Step 2

Go to Radio/Audio System Check

Is the complaint; rear shelf speaker(s) (sub woofer) inoperative?

--

Go to Step 3

Go to Step 4

1. Turn ON the radio.
2. Measure the voltage at the inoperative sub woofer speaker terminal 1 and then at terminal 2.

Does the voltage measure within the specified value?

5.5 - 6.5 V

Go to Step 5

Go to Step 6

1. Turn ON the radio.
2. Measure the voltage at the inoperative speaker terminal 1 and then at terminal 2.

Does the voltage measure within the specified value?

5.5 - 6.5 V

Go to Step 8

Go to Step 7

1. Inspect for poor connections at sub-woofer speaker. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.
2. Repair as necessary.
3. If no poor connection was found, replace the speaker.

Did you complete the repair or the replacement?

--

Go to Step 9

--

1. Lower the amplifier bracket to gain access to the amplifier connector.
2. Turn ON the radio.
3. At the amplifier connector, measure the voltage at the inoperative sub-woofer speaker (+) output terminal.
4. Measure the voltage at the inoperative sub-woofer speaker (-) output terminal.

Does the voltage measure within the specified value?

5.5 - 6.5 V

Go to Step 16

Go to Step 15

1. Lower the amplifier bracket to gain access to the amplifier connector.
2. Turn ON the radio.
3. At the amplifier connector, measure the voltage at the inoperative speaker (+) input terminal.
4. Measure the voltage at the inoperative speaker (-) input terminal.

Does the voltage measure within the specified value?

4.5 - 5.5 V

Go to Step 10

Go to Step 11

1. Inspect for poor connections at speaker. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.
2. Repair as necessary.
3. If no poor connection was found, replace the speaker.

Did you complete the repair or the replacement?

--

Go to Step 9

--

Verify that all speakers operate properly.

Do all speakers operate properly?

--

System OK

--

1. At the amplifier connector, measure the voltage at the inoperative speaker (+) output terminal.
2. Measure the voltage at the inoperative speaker (-) output terminal.

Does the voltage measure within the specified value?

5.5 - 6.5 V

Go to Step 14

Go to Step 18

Test the speaker circuit between the sound processor and amplifier for the following:

Did you find and correct the condition?

--

Go to Step 9

Go to Step 13

Replace the sound processor.

Is the replacement complete?

--

Go to Step 9

--

Inspect for poor connections at sound processor connector C2. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.

Did you find and correct the condition?

--

Go to Step 9

Go to Step 12

Test the inoperative speaker circuit for the following:

Did you find and correct the condition?

--

Go to Step 9

--

1. Disconnect the amplifier connector.
2. Test all 4 speaker circuits to the rear sub woofers for a short to voltage condition.
3. If no short to voltage was found, test the inoperative speaker circuit for a short to ground.

Did you find and correct the condition?

--

Go to Step 9

Go to Step 19

Test the speaker circuit between the amplifier and inoperative speaker for the following:

Did you find and correct the condition?

--

Go to Step 9

--

Replace the amplifier.

Is the replacement complete?

--

Go to Step 9

--

Test the speaker circuits, to the inoperative speaker, for a short to ground.

Did you find and correct the condition?

--

Go to Step 9

Go to Step 19

Inspect for poor connections at amplifier connector. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.

Did you find and correct the condition?

--

Go to Step 9

Go to Step 17

DEFINITION: This table is used to diagnose no sound from both front door speakers (LH and RH side) or both rear door speakers (LH and RH side) on a BOSE® audio system.

Was the Radio/Audio System Check performed?

--

Go to Step 2

Go to Radio/Audio System Check

Is the complaint; both front door speakers (LH and RH side) inoperative?

--

Go to Step 3

Go to Step 4

1. Lower the amplifier bracket to gain access to the amplifier connector.
2. Disconnect the amplifier connector.
3. At the amplifier connector, test for a short to voltage at terminals 16, 17, 18 and 19. (Turn ON the ignition, leaving the engine OFF, when testing for a short to voltage condition.)

Did you find and correct a short to voltage condition?

--

Go to Step 5

Go to Step 6

Is the complaint; both rear door speakers (LH and RH side) inoperative?

--

Go to Step 7

--

1. Reconnect the amplifier connector.
2. Reconnect any other disconnected connectors.
3. Turn ON the radio.
4. Verify that all speakers operate properly.

Do all speakers operate properly?

--

System OK

--

Replace the amplifier.

Did you complete the replacement?

--

Go to Step 8

1. Lower the amplifier bracket to gain access to the amplifier connector.
2. Disconnect the amplifier connector.
3. At the amplifier connector, test for a short to voltage at terminals 20, 21, 22 and 23. (Turn ON the ignition, leaving the engine OFF, when testing for a short to voltage condition.)

Did you find and correct a short to voltage condition?

--

Go to Step 5

Go to Step 6

Verify that all speakers operate properly.

Do all speakers operate properly?

--

System OK

--

DEFINITION: This table is used to diagnose no sound from both front and rear door speakers (LH side only) or both front and rear door speakers (RH side only) on a BOSE® audio system.

Was the Radio/Audio System Check performed?

--

Go to Step 2

Go to Radio/Audio System Check

Is the complaint; both front and rear door speakers (LH side only) inoperative?

--

Go to Step 3

Go to Step 4

1. Disconnect connector C2 from the sound processor interface.
2. Remove the radio.
3. Disconnect the radio connector.
4. Test the LH side audio (+) circuit (radio connector terminal E13 or sound processor terminal B4) for a short to voltage. (Turn ON the ignition, leaving the engine OFF, when testing for a short to voltage.)
5. Test the LH side audio (+) circuit for a short to ground. Refer to Testing for Short to Ground in Wiring Systems.
6. Test the shield wire circuit (radio connector terminal E14) for a short to voltage.

Did you find and correct a short to voltage or ground condition?

--

Go to Step 5

Go to Step 6

Is the complaint; both front and rear door speakers (RH side only) inoperative?

--

Go to Step 7

--

1. Reconnect the sound processor connector.
2. Reconnect the radio connector.
3. Reconnect any other disconnected connectors.
4. Turn ON the radio.
5. Verify that all speakers operate properly.

Do all speakers operate properly?

--

System OK

--

1. Test both LH side audio (+) and (-) circuits for an open. Refer to Testing for Continuity in Wiring Systems.
2. Test both LH side audio (+) and (-) circuits for a short to shield.

Did you find and correct any of the conditions?

--

Go to Step 5

Go to Step 8

1. Disconnect connector C2 from the sound processor interface.
2. Remove the radio.
3. Disconnect the radio connector.
4. Test the RH side audio (-) circuit (radio connector terminal F14 or sound processor terminal B6) for a short to voltage. (Turn ON the ignition, leaving the engine OFF, when testing for a short to voltage.)
5. Test the RH side audio (-) circuit for a short to ground. Refer to Testing for Short to Ground in Wiring Systems.
6. Test the shield wire circuit (radio connector terminal E15) for a short to voltage.

Did you find and correct a short to voltage or ground condition?

--

Go to Step 5

Go to Step 9

1. Reconnect the sound processor connector.
2. Reconnect the radio connector.
3. Reconnect any other disconnected connectors.
4. Turn ON the radio.
5. Measure the voltage at the sound processor connector C2 terminals B4 and B5.

Does the voltage measure within the specified value?

4.5-5.5 V

Go to Step 10

Go to Step 11

1. Reconnect the sound processor connector.
2. Reconnect the radio connector.
3. Reconnect any other disconnected connectors.
4. Turn ON the radio.
5. Measure the voltage at the sound processor connector C2 terminals B6 and B7.

Does the voltage measure within the specified value?

4.5-5.5 V

Go to Step 10

Go to Step 11

Replace the sound processor interface.

Is the replacement complete?

--

Go to Step 12

--

1. Replace the radio and perform the setup procedure.
2. Install the scan tool.
3. Select RADIO THEFT from the SPECIAL FUNCTIONS menu.
4. Follow the instructions on the screen.

Did you complete the replacement?

--

Go to Step 12

--

Verify that all speakers operate properly.

Do all speakers operate properly?

--

System OK

--

DEFINITION: This table is used to diagnose no sound from all speakers with the radio display operative on a BOSE® audio system.

Was the Radio/Audio System Check performed?

--

Go to Step 2

Go to Radio/Audio System Check

Inspect the AUDIO fuse for an open.

Is the AUDIO fuse open?

--

Go to Step 3

Go to Step 4

Test the amplifier B+ circuit, at terminal 13, for a short to ground. Refer to Testing for Short to Ground in Wiring Systems.

Did you find and correct the condition?

--

Go to Step 5

Go to Step 12

1. Disconnect the amplifier connector.
2. Test the amplifier B+ circuit, at terminal 13, for an open. Refer to Testing for Continuity in Wiring Systems.

Did you find and correct the condition?

--

Go to Step 5

Go to Step 6

1. Reconnect any components and connectors previously disconnected.
2. Turn ON the radio.
3. Verify that all speakers operate properly.

Do all speakers operate properly?

--

System OK

--

1. Disconnect connector C1 from the sound processor.
2. Test the amp enable circuit for an open. Refer to Testing for Continuity in Wiring Systems. (Test between sound processor connector C1 terminal D2 and amp connector terminal 25.)

Did you find and correct the condition?

--

Go to Step 5

Go to Step 7

1. Disconnect connector C2 from the sound processor.
2. Test the ground circuit for an open. Refer to Testing for Continuity in Wiring Systems. (Test between sound processor connector C2 terminal A1 and amp connector terminal 24.)

Did you find and correct the condition?

--

Go to Step 5

Go to Step 8

1. Reconnect connectors C1 and C2 to the sound processor.
2. Reconnect the amp connector.
3. Turn ON the ignition, leaving the engine OFF.
4. Turn ON the radio.
5. Measure the voltage on the amp enable circuit.

Does the voltage measure within the specified range?

11 - 13 V

Go to Step 9

Go to Step 10

Replace the amplifier.

Is the replacement complete?

--

Go to Step 11

--

Replace the sound processor interface.

Is the replacement complete?

--

Go to Step 11

--

Verify that all speakers operate properly.

Do all speakers operate properly?

--

System OK

--

1. Short condition may be intermittent at this time. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems for additional information.
2. Replace the AUDIO fuse.

Is the replacement complete?

--

Go to Step 5

--