Fog Lamps Inoperative - All Front
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Inspect fuse H5-H6. Is the fuse open? | -- | Go to Step 2 | Go to Step 3 |
2 | Repair the short to ground in circuit 9. Is the repair complete? | -- | -- | |
3 | Inspect fuse 27. Is the fuse open? | -- | Go to Step 14 | Go to Step 4 |
4 | Inspect for any diagnostic trouble codes (DTCs). Are any DTCs present? | -- | Go to Step 5 | |
5 |
Does the test light illuminate? | -- | Go to Step 6 | Go to Step 13 |
6 | Using a test light, backprobe between the fog lamp switch harness connector terminal 7 and terminal 4. Does the test light illuminate? | -- | Go to Step 7 | Go to Step 8 |
7 | Replace the front fog lamp switch. Refer to Fog Lamp Switch Replacement . Is the repair complete? | -- | -- | |
8 | Using a test light, backprobe the underhood accessory wiring junction block harness connector C2 terminal E6 to ground. Is the test light on? | -- | Go to Step 11 | Go to Step 10 |
9 | Repair a poor connection or an open in circuit 451 between the underhood accessory junction block harness connector C1 terminal C1 and G113. Is the repair complete? | -- | -- | |
10 | Repair the poor connection or the open in circuit 1317. Is the repair complete? | -- | -- | |
11 | Replace relay 16. Do the fog lamps turn on? | -- | Go to Step 12 | |
12 | Using a test light, backprobe the underhood accessory wiring junction block harness connector C2 terminal E6 to connector C1 terminal C1. Does the test light illuminate? | -- | Go to Step 15 | Go to Step 9 |
13 | Repair a poor connection or an open in circuit 9 between the fuse block terminal H6 and electronic traction control and fog lamp switch assembly harness connector C2 terminal 7. Is the repair complete? | -- | -- | |
14 | Replace the underhood accessory wiring junction block. Refer to Underhood Electrical Center or Junction Block Replacement in Wiring Systems. Is the repair complete? | -- | -- | |
15 | Using a test light, backprobe the underhood accessory wiring junction block harness connector C3 terminal A6 to ground. Is the test light on? | -- | Go to Step 16 | Go to Step 14 |
16 | Repair a poor connection or an open in circuit 1350 between S124 and G101. Is the repair complete? | -- | -- |
Fog Lamps Inoperative - All Rear
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Inspect fuse F3-F4. Is the fuse open? | -- | Go to Step 2 | Go to Step 3 |
2 | Repair the short to ground in circuit 1840. Is the repair complete? | -- | -- | |
3 | Inspect for any diagnostic trouble codes (DTCs). Are any DTCs present? | -- | Go to Step 4 | |
4 |
Does the test light illuminate in both places? | -- | Go to Step 11 | Go to Step 8 |
5 | Using a test light, backprobe between the body control module harness connector C1 terminal C8 to ground. Does the test light illuminate? | -- | Go to Step 6 | Go to Step 10 |
6 | Using a DMM, test for continuity in circuit 1977 between the electronic traction control switch and fog lamp switch assembly harness connector C2 terminal 6 and the body control module harness connector C2 terminal A8. Is the there continuity in the circuit? | -- | Go to Step 7 | Go to Step 13 |
7 |
Is there continuity? | -- | Go to Step 12 | Go to Step 9 |
8 | Repair a poor connection or an open in circuit 1840 between S215 and the rear fog lamp relay. Is the repair complete? | -- | -- | |
9 | Replace the rear fog lamp switch. Refer to Rear Fog Lamp Switch Replacement . Is the repair complete? | -- | -- | |
10 | Repair a poor connection or an open in circuit 1317. Is the repair complete? | -- | -- | |
11 | Replace the rear fog lamp relay. Do the rear fog lamps turn on? | -- | Go to Step 5 | |
12 | Using a test light, backprobe B+ and the electronic traction control switch and fog lamp switch assembly harness connector C2 terminal 4. Does the test light illuminate? | -- | Go to Step 14 | Go to Step 15 |
13 | Repair a poor connection or an open in circuit 1977. Is the repair complete? | -- | -- | |
14 | Using a test light, backprobe between C915 terminal D to ground. Does the test light illuminate? | -- | Go to Step 16 | Go to Step 17 |
15 | Repair a poor connection or an open in circuit 1550 between electronic traction control switch and fog lamp switch assembly harness connector C2 terminal D and G203. Is the repair complete? | -- | -- | |
16 | Repair a poor connection or an open in circuit 350 between S930 and G402. Is the repair complete? | -- | -- | |
17 | Repair a poor connection or an open in circuit 122 between the rear fog lamp relay terminal A2 and C915 terminal D. Is the repair complete? | -- | -- |
