Step | Action | Value(s) | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Radio/Audio System Check? | -- | Go to Step 2 | Go to Radio/Audio System Check | ||||||
2 | Is the reception weak or noisy only when the rear defogger is on? | -- | Go to Step 3 | Go to Step 4 | ||||||
3 | Test the rear defogger grid for an open. Refer to Defogger Grid Lines Diagnosis in Stationary Windows. Was an open found? | -- | Go to Step 9 | Go to Step 4 | ||||||
4 | Connect the base of the rear defogger/antenna grid to chassis ground. Does the reception improve? | -- | Go to Step 5 | Go to Step 6 | ||||||
5 | Repair the radio antenna module case ground. Is the repair complete? | -- | Go to Radio/Audio System Check | -- | ||||||
6 |
Is the voltage within the specified range? | 10-15 V | Go to Step 7 | Go to Step 8 | ||||||
7 | Test the rear defogger grid for an open. Refer to Defogger Grid Lines Diagnosis in Stationary Windows. Was an open found? | -- | Go to Step 9 | Go to Step 10 | ||||||
8 | Test CKT 145 (DK GRN) for a open or short to ground. Was a open or short to ground found? | -- | Go to Step 11 | Go to Step 12 | ||||||
9 | Replace the rear window. Refer to Rear Window Replacement in Stationary Windows. Is the repair complete? | -- | Go to Radio/Audio System Check | -- | ||||||
10 | Replace the radio antenna module. Is the repair complete? | -- | Go to Radio/Audio System Check | -- | ||||||
11 | Repair the open or short to ground in CKT 145 (DK GRN). Is the repair complete? | -- | Go to Radio/Audio System Check | -- | ||||||
12 | Replace the radio. Is the repair complete? | -- | Go to Radio/Audio System Check | -- |
