Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: This table applies to vehicles with the Bose™ audio amplifier system. | ||||
1 | Did you perform the Radio/Audio System Check? | -- | Go to Step 2 | Go to Radio/Audio System Check |
2 | Is the vehicle an Envoy? | -- | Go to Step 3 | Go to Step 12 |
3 | Verify that the rear seat audio module power indicator is OFF. Is the power indicator OFF? | -- | Go to Step 12 | Go to Step 4 |
4 | Test CKT 314 (PNK) at the rear seat audio module for a short to voltage. Is a short to voltage present? | -- | Go to Step 5 | |
5 | Disconnect the rear seat audio module. Is a short to voltage present? | -- | Go to Step 7 | Go to Step 6 |
6 | Replace the rear seat audio module. Refer to Rear Seat Audio Control Replacement . Is the replacement complete? | -- | Go to Radio/Audio System Check | -- |
7 | Disconnect the radio. Is a short to voltage present? | -- | Go to Step 9 | Go to Step 8 |
8 | Service the radio. Refer to Radio Replacement . Is service of the radio complete? | -- | Go to Radio/Audio System Check | -- |
9 | Disconnect the amplifier. Is a short to voltage present? | -- | Go to Step 11 | Go to Step 10 |
10 | Service the amplifier. Refer to Radio Speaker Amplifier Replacement . Is service of the amplifier complete? | -- | Go to Radio/Audio System Check | -- |
11 | Repair the short to voltage in CKT 314 (PNK). Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
12 |
Important: The audio signal can be identified as a fluctuating AC voltage. Measure from the channel input cavity to the channel common ground cavity.
Is the audio signal present at one input? | 0--1.5 V AC | Go to Step 10 | Go to Step 13 |
13 |
Is the audio signal present at both outputs? | 0--1.5 V AC | Go to Step 14 | Go to Step 8 |
14 | Repair the open in CKT 1547 (DK GRN/WHT. Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
