Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Was the Lighting Systems Diagnostic System Check Performed? | -- | Go to Step 2 | Go to A Diagnostic System Check - Lighting Systems |
2 | Visually inspect the 10A FOG LP fuse for an open. Is the fuse open? | -- | Go to Step 3 | Go to Step 4 |
3 | Test CKT 1140 and CKT 34 for a short to ground. Refer to Circuit Testing in wiring systems. Was a short present? | -- | Go to Step 15 | Go to Step 5 |
4 |
Do the fog lamps operate? | -- | Go to Step 6 | Go to Step 8 |
5 | Replace the FOG LP fuse. Is the repair complete? | -- | System OK | -- |
6 | Test terminal B of fog lamp switch for ground. Is ground present? | -- | Go to Step 9 | Go to Step 7 |
7 | Repair the open in CKT 150. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | System OK | -- |
8 | Repair the open in CKT 1140 or CKT 34. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | System OK | -- |
9 | With the fog lamp switch on, test terminal A of the fog lamp switch for ground. Is ground present? | -- | Go to Step 10 | Go to Step 11 |
10 | Test CKT 192 for an open. Refer to Circuit Testing in Wiring Systems. Was an open found? | -- | Go to Step 12 | Go to Step 13 |
11 | Replace the fog lamp switch. Refer to Fog Lamp Switch Replacement in Lighting. Is repair complete? | -- | System OK | -- |
12 | Repair the open in CKT 192. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | System OK | -- |
13 | Test all terminals for poor connections. Refer to Testing for Intermittent and Poor Connections in Wiring Systems. Are poor connections present? | -- | Go to Connector Repairs | Go to Step 14 |
14 | Replace the Body Control Module. Refer to Body Control Module Replacement in Body Control Systems. Is the repair complete? | -- | System OK | -- |
15 | Repair the short to ground in CKT 1140 or CKT 34. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | System OK | -- |
