Step | Action | Value(s) | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
1 |
Does the defogger ON indicator turn on? | -- | Go to Step 2 | Go to Step 21 | ||||||
2 |
Do any defoggers turn on? | -- | Go to Step 3 | Go to Step 10 | ||||||
3 | Does the rear window defogger turn on? | -- | Go to Step 4 | Go to Step 5 | ||||||
4 | Are both sideview mirror heaters inoperative? | -- | Go to Step 32 | Go to Step 27 | ||||||
5 |
Does the test light illuminate? | -- | Go to Step 6 | Go to Step 7 | ||||||
6 | Repair or replace the rear defogger grid. Refer to Grid Line Repair in stationary windows. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
7 |
Does the test light illuminate? | -- | Go to Step 8 | Go to Step 9 | ||||||
8 | Repair a poor connection or an open in circuit 450 between the rear defogger grid connector C 2 terminal A and G401. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
9 | Repair a poor connection or an open in circuit 293 between S 268 and the rear defogger grid connector C 1 terminal A. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
10 |
Does the test light illuminate? | -- | Go to Step 11 | Go to Step 16 | ||||||
11 | Use a test light to backprobe the rear window defogger relay harness connector between terminal C2 and ground. Does the test light illuminate? | -- | Go to Step 12 | Go to Step 15 | ||||||
12 | Use a test light to backprobe the rear window defogger relay harness connector between terminal C 2 and terminal A 1. Does the test light illuminate? | -- | Go to Step 13 | Go to Step 14 | ||||||
13 | Replace the HVAC control assembly. Refer to Control Assembly Replacement in HVAC - Manual. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
14 | Repair a poor connection or an open in circuit 193. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
15 | Repair a poor connection or an open in circuit 41 between S233 and the rear window defogger relay harness connector terminal C2. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
16 |
Does the test light illuminate? | -- | Go to Step 17 | Go to Step 18 | ||||||
17 | Repair a poor connection or an open in circuit 293 between the rear window defogger relay harness connector terminal A2 and S268. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
18 | Use a test light to backprobe between B+ and the rear window defogger relay harness connector terminal C 1. Does the test light illuminate? | -- | Go to Step 19 | Go to Step 20 | ||||||
19 | Repair the short to ground in circuit 1040. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
20 | Repair a poor connection or an open in circuit 1040. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
21 | Inspect fuse B3-B4 for a open in the fuse block. Is the fuse open? | -- | Go to Step 22 | Go to Step 23 | ||||||
22 | Repair the short to ground in circuit 41. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
23 |
Does the test light illuminate? | -- | Go to Step 13 | Go to Step 24 | ||||||
24 | Use a test light to backprobe between the following electrical components:
Does the test light illuminate? | -- | Go to Step 25 | Go to Step 26 | ||||||
25 | Repair a poor connection or an open in circuit 1450 between the following electrical components:
Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
26 | Repair a poor connection or an open in circuit 41 between the fuse block terminal B4 and the following electrical components:
Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
27 |
Is the test light on? | -- | Go to Step 28 | Go to Step 29 | ||||||
28 | Replace the inoperative outside rearview mirror. Refer to Power Mirror Replacement in Doors. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
29 |
Is the test light on? | -- | Go to Step 30 | Go to Step 31 | ||||||
30 | Repair a poor connection or an open in circuit 750 between the inoperative sideview mirror harness connector terminal E and G303 s the repair complete? | -- | Go to Defogger System Check | -- | ||||||
31 | Repair a poor connection or an open in circuit 267 between connector C200 terminal G2 and the inoperative outside rearview mirror harness connector terminal D. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
32 | Inspect the fuse A5-A6 in the fuse block. Is the fuse open? | -- | Go to Step 33 | Go to Step 34 | ||||||
33 | Repair a short to ground in circuit 267. Is the repair complete? | -- | Go to Defogger System Check | -- | ||||||
34 | Test for a poor connection or an open in circuit 293 between the fuse block and splice 268. Did you find and correct the condition? | -- | Go to Defogger System Check | Go to Step 35 | ||||||
35 | Repair a poor connection or an open in circuit 267 between the fuse block and splice 325. Is the repair complete? | -- | Go to Defogger System Check | -- |
