Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
IMPORTANT:
| ||||
1 | Was the Defogger System Check performed? | -- | Go to Defogger System Check | |
2 |
Does the test lamp light? | -- | Go to Step 3 | Go to Step 6 |
3 | Locate the open in CKT 1450 (BLK) between the grid and G420. Did you find an open? | -- | ||
4 | Repair the open in CKT 1450 (BLK) between the grid and G420. Is the repair complete? | -- | Go to Defogger System Check | -- |
5 | Replace the rear window defogger grid. Is the repair complete? | -- | Go to Defogger System Check | -- |
6 | Connect a test lamp between the RR defogger fuse located in the underhood fuse block and ground. Does the test lamp light? | -- | ||
7 | Locate and repair the open in CKT 1093 (PPL) between the rear window defogger grid and the underhood fuse block. Is the repair complete? | -- | Go to Defogger System Check | -- |
8 |
Does the test lamp light? | -- | ||
9 |
Does the test lamp light in both cavities? | -- | ||
10 | Replace the rear window defogger relay. Is the repair complete? | -- | Go to Defogger System Check | -- |
11 | Locate and repair the power feed from power distribution to the rear window defogger relay. Is the repair complete? | -- | Go to Defogger System Check | -- |
12 | Locate the open in CKT 193 (WHT) or CKT 1850 (BLK). Did you find an open? | -- | ||
13 | Repair the open in CKT 193 (WHT) or CKT 1850 (BLK). Is the repair complete? | -- | Go to Defogger System Check | -- |
14 | Replace the rear defogger switch (part of the electronic climate control module). Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Defogger System Check | -- |
