Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the radio/audio system description and operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 | Verify the fault is present. Does the system operate normally | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Is voltage present? | -- | Go to Step 14 | Go to Step 4 |
4 | Connect a J 39200 digital multimeter set on the voltage scale between the radio C1 connector, cavity 1 for CKT 118 (GRY), and ground. Is voltage present? | -- | Go to Step 15 | Go to Step 5 |
5 |
Is continuity present? | -- | Go to Step 16 | Go to Step 6 |
6 | Connect a J 39200 digital multimeter set on the ohms scale between the radio C1 connector, cavity 1 for CKT 118 (GRY), and ground. Is continuity present? | -- | Go to Step 17 | Go to Step 7 |
7 | Connect a J 39200 digital multimeter set on the ohms scale between the radio C1 connector, cavity 2 and cavity 1. Is the resistance within the specified range? | 4-15 ohms | Go to Step 18 | Go to Step 8 |
8 |
Is each connector in good condition? | -- | Go to Step 9 | Go to Step 19 |
9 |
Is continuity present? | -- | Go to Step 10 | Go to Step 20 |
10 |
Is continuity present? | -- | Go to Step 11 | Go to Step 21 |
11 |
Is the resistance within the specified range? | 4-15 ohms | Go to Step 12 | Go to Step 22 |
12 |
Do the speaker(s) have good sound quality? | -- | Go to Step 23 | Go to Step 13 |
13 | Substitute a known good speaker for the speaker with poor sound quality. Does sound quality improve? | -- | Go to Step 22 | Go to Step 18 |
14 | Repair the short to voltage in CKT 201 (TAN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 23 | -- |
15 | Repair the short to voltage in CKT 118 (GRY). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 23 | -- |
16 | Repair the short to ground in CKT 201 (TAN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 23 | -- |
17 | Repair the short to ground in CKT 118 (GRY). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 23 | -- |
18 |
Is repair complete? | -- | Go to Step 23 | -- |
19 | Repair damaged connector(s). Refer to Connector Repairs in Wiring Systems. Is repair complete? | -- | Go to Step 23 | -- |
20 | Repair the open in CKT 118 (GRY). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 23 | -- |
21 | Repair the open in CKT 201 (TAN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 23 | -- |
22 | Replace the front door speaker or tweeter. Refer to Radio Front Side Door Speaker Replacement or Radio Front Speaker Replacement . Is the repair complete? | -- | Go to Step 23 | -- |
23 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
