Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Fog Lights System Check? | -- | Go to Step 2 | Go to Fog Lights System Check |
2 |
Does the scan tool show any DTCs? | -- | Go to Diagnostic Trouble Code (DTC) List/Type in Body Control System | Go to Step 3 |
3 | Turn the park lamps ON. Do the park lamps light? | -- | Go to Step 4 | |
4 |
Does the scan tool indicate that the switch is ON? | -- | Go to Step 12 | Go to Step 5 |
5 |
Does the scan tool show that the switch is ON? | -- | Go to Step 7 | Go to Step 6 |
6 |
Does the scan tool show that the switch is closed? | -- | Go to Step 11 | Go to Step 8 |
7 | Replace the fog lamp switch. Is the repair complete? | -- | Go to Fog Lights System Check | -- |
8 |
Is continuity present? | -- | Go to Step 10 | Go to Step 9 |
9 | Locate and repair the open in CKT 192 (ORN) between the switch and the BCM. Is the repair complete? | -- | Go to Fog Lights System Check | -- |
10 | Replace the BCM. Is the repair complete? | -- | Go to Fog Lights System Check | -- |
11 | Locate and repair the open in CKT 1050 (BLK) between the switch and ground. Is the repair complete? | -- | Go to Fog Lights System Check | -- |
12 |
Does the test lamp light? | -- | Go to Step 14 | Go to Step 13 |
13 | Repair the damaged connections in the underhood fuse block. If no damaged connections are found, replace the underhood fuse block. Is the repair complete? | -- | Go to Fog Lights System Check | -- |
14 | Use a J 39200 digital multimeter (DMM) in order to test for continuity of CKT 1317 from the fog lamp relay terminal 2 to the BCM connector C2 terminal A7. Is continuity present? | -- | Go to Step 16 | Go to Step 15 |
15 | Locate and repair the open in CKT 1317. Is the repair complete? | -- | Go to Fog Lights System Check | -- |
16 |
Does the test lamp illuminate? | -- | Go to Step 17 | Go to Step 13 |
17 | Replace the fog lamp relay. Is the repair complete? | -- | Go to Fog Lights System Check | -- |
