Step | Action | Value(s) | Yes | No | ||||||
---|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform Radio/Audio System Check? | -- | Go to Step 2 | Go to Radio/Audio System Check | ||||||
2 | Is the power ON indicator inoperative only? | -- | Go to Step 3 | Go to Step 5 | ||||||
3 | Test CKT 314 (PNK) at the rear seat audio module for voltage. Is voltage present in CKT 314 (PNK)? | -- | Go to Step 18 | Go to Step 4 | ||||||
4 | Repair the open in CKT 314 (PNK). Is the repair complete? | -- | Go to Radio/Audio System Check | -- | ||||||
5 | When the PWR button is pressed to select ON, verify the that the following conditions exist:
Do the conditions exist? | -- | Go to Step 6 | Go to Step 11 | ||||||
6 | Test CKT 314 (PNK) for a short to ground. Is a short to ground present in CKT 314 (PNK)? | -- | Go to Step 7 | |||||||
7 | Disconnect the rear seat audio module. Is a short to ground present in CKT 314 (PNK)? | -- | Go to Step 8 | Go to Step 18 | ||||||
8 | Disconnect the radio. Is a short to ground present in CKT 314 (PNK)? | -- | Go to Step 9 | Go to Step 22 | ||||||
9 | Disconnect the amplifier. Is a short to ground present in CKT 314 (PNK)? | -- | Go to Step 10 | Go to Step 27 | ||||||
10 | Repair the short to ground in CKT 314 (PNK). Is the repair complete? | -- | Go to Radio/Audio System Check | -- | ||||||
11 | Are both channels inoperative? | -- | Go to Step 13 | Go to Step 12 | ||||||
12 | Is the left channel inoperative? | -- | Go to Step 25 | Go to Step 26 | ||||||
13 |
Is voltage within the specified range? | 3.1-3.3 V | Go to Step 19 | Go to Step 14 | ||||||
14 | Test CKT 1301 (DK GRN) for an open circuit. Is an open present in CKT 1301 (DK GRN)? | -- | Go to Step 15 | Go to Step 16 | ||||||
15 | Repair the open in CKT 1301(DK GRN). Is the repair complete? | -- | Go to Radio/Audio System Check | -- | ||||||
16 | Test CKT 1050 (BLK ) for an open circuit. Is an open present in CKT 1050 (BLK)? | -- | Go to Step 17 | Go to Step 18 | ||||||
17 | Repair the open in CKT 1050 (BLK). Is the repair complete? | -- | Go to Radio/Audio System Check | -- | ||||||
18 | Replace the rear seat audio module. Refer to Rear Seat Audio Control Replacement . Is the replacement complete? | -- | Go to Radio/Audio System Check | -- | ||||||
19 |
Is an open present in CKT 1011 (LT GRN)? | -- | Go to Step 20 | Go to Step 21 | ||||||
20 | Repair the open in CKT 1011 (LT GRN). Is the repair complete? | -- | Go to Radio/Audio System Check | -- | ||||||
21 |
Is voltage within the specified range? | B+ | Go to Step 23 | Go to Step 22 | ||||||
22 | Service the radio. Refer to Radio Replacement . Is service of the radio complete? | -- | Go to Radio/Audio System Check | -- | ||||||
23 | Test CKT 314 (PNK) at the amplifier (backprobe) for voltage. Is voltage within the specified range? | B+ | Go to Step 25 | Go to Step 24 | ||||||
24 | Repair the open in CKT 314 (PNK). Is the repair complete? | B+ | Go to Radio/Audio System Check | -- | ||||||
25 |
Important: The audio output signal can be identified as a fluctuating AC voltage. Measure from the channel output cavity to the channel common ground cavity.
Is the left channel audio output present? | 100-400 mV AC | Go to Step 28 | Go to Step 27 | ||||||
26 |
Important: The audio output signal can be identified as a fluctuating AC voltage. Measure from the channel output cavity to the channel common ground cavity.
Is the right channel audio output present? | 100-400 mV AC | Go to Step 28 | Go to Step 27 | ||||||
27 |
Is service of the amplifier complete? | -- | Go to Radio/Audio System Check | -- | ||||||
28 |
Important: The audio output signal can be identified as a fluctuating AC voltage. Measure from the channel input cavity to the channel common ground cavity. Test for audio input to the rear seat audio module. Is the audio signal present? | 100-400 mV AC | Go to Step 18 | Go to Step 29 | ||||||
29 | Are both channels inoperative? | -- | Go to Step 30 | Go to Step 31 | ||||||
30 | Repair the open in CKT 372 (BLK/WHT). Is the repair complete | -- | Go to Radio/Audio System Check | -- | ||||||
31 | Is the right channel input inoperative? | -- | Go to Step 32 | Go to Step 33 | ||||||
32 | Repair the open in CKT 368 (DK GRN/WHT). Is the repair complete? | -- | Go to Radio/Audio System Check | -- | ||||||
33 | Repair the open in CKT 367 (BRN/WHT). Is the repair complete? | -- | Go to Radio/Audio System Check | -- |