Fog Lamps Inoperative - All Front
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Check Fuse H5-H6. Is the fuse open? | -- | Go to Step 2 | Go to Step 3 |
2 | Repair the short to ground in circuit 9. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
3 | Check Fuse 27. Is the fuse open? | -- | Go to Step 14 | Go to Step 4 |
4 | Check for any Body Control Module (BCM) diagnostic trouble codes (DTCs) refer to Diagnostic Trouble Code (DTC) List/Type in Body Control System. Are there any BCM 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 . Has the repair been made and the system rechecked? | -- | Go to Fog Lights System Check | -- |
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. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
10 | Repair the poor connection or the open in circuit 1317. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
11 | Replace Relay 16. Do the fog lamps turn on? | -- | Go to Fog Lights System Check | 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. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
14 | Replace the underhood accessory wiring junction block. Refer to Accessory Wiring Junction Block Replacement . Body Front End. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
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. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
Fog Lamps Inoperative - All Rear
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Check Fuse F3-F4. Is the fuse open? | -- | Go to Step 2 | Go to Step 3 |
2 | Repair the short to ground in circuit 1840. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
3 | Check for any Body Control Module (BCM) diagnostic trouble codes (DTCs) refer to Diagnostic Trouble Code (DTC) List/Type Are there any BCM 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, check 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. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
9 | Replace the rear fog lamp switch. Refer to Rear Fog Lamp Switch Replacement Has the repair been made? | -- | Go to Fog Lights System Check | -- |
10 | Repair a poor connection or an open in circuit 1317. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
11 | Replace the rear fog lamp relay. Do the rear fog lamps turn on? | -- | Go to Fog Lights System Check | 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. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
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 Has the repair been made? | -- | Go to Fog Lights System Check | -- |
16 | Repair a poor connection or an open in circuit 350 between S930 and G402. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
17 | Repair a poor connection or an open in circuit 122 between the rear fog lamp relay terminal A 2 and C915 terminal D. Has the repair been made? | -- | Go to Fog Lights System Check | -- |
