Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Schematic Reference: Radio/Audio System Schematics | ||||
1 | Did you perform the Radio/Audio System Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Do all of the speakers operate properly? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are all of the speakers inoperative? | -- | Go to Step 9 | Go to Step 4 |
4 | Do both sub-woofer amplified speakers operate properly? | -- | Go to Step 5 | Go to Step 11 |
5 | Are all of the non-amplified speakers inoperative? | -- | Go to Step 10 | Go to Step 6 |
6 | Test the low level audio signal circuits for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 7 |
7 |
Does the speaker emit an audible pop? | -- | Go to Step 21 | Go to Step 8 |
8 | Test the appropriate non-amplified speaker output circuits of the radio for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 20 |
9 |
Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 21 |
10 | Test all non-amplified speaker output circuits of the radio for a short to voltage or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 21 |
11 | Are both sub-woofer amplified speakers inoperative? | -- | Go to Step 12 | Go to Step 15 |
12 |
Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 13 |
13 | Test the ground circuit of the Bose relay for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 14 |
14 |
Do all of the speakers operate properly? | -- | Go to Step 24 | Go to Step 23 |
15 |
Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 16 |
16 | Test the ground circuits of the appropriate sub-woofer amplifier for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 17 |
17 |
Does the voltage measure greater than the specified value? | 0.20 V AC | Go to Step 22 | Go to Step 18 |
18 | Test the low level audio signal circuits of the appropriate sub-woofer amplifier for an open, a short to ground, or for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 19 |
19 |
Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 23 |
20 | Inspect for poor connections at the harness connector of the speaker. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 25 |
21 | Inspect for poor connections at the harness connector of the radio. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 26 |
22 | Inspect for poor connections at the harness connector of the appropriate sub-woofer. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 27 |
23 | Inspect for poor connections at the harness connector of the Bose signal processor. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 28 |
24 | Inspect for poor connections at the harness connector of the Bose relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 30 | Go to Step 29 |
25 | Replace the speaker. Refer to Radio Front Speaker Replacement or Radio Rear Speaker Replacement . Did you complete the replacement? | -- | Go to Step 30 | -- |
26 | Replace the radio. Refer to Radio Replacement . Did you complete the repair? | -- | Go to Step 30 | -- |
27 | Replace the appropriate sub-woofer amplifier. Refer to Radio Front Speaker Replacement . Did you complete the replacement? | -- | Go to Step 30 | -- |
28 | Replace the Bose signal processor. Refer to Bose Module Replacement . Did you complete the replacement? | -- | Go to Step 30 | -- |
29 | Replace the Bose relay. Did you complete the replacement? | -- | Go to Step 30 | -- |
30 | Operate the system in order to verify the repair. Did you find and correct the condition? | -- | System OK | Go to Step 2 |
