Fog Lamps Inoperative - All. Chevrolet PJJ 2000

For 1990-2009 cars

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

1. Reinstall the fuse.
2. Remove the fog lamp relay.
3. Install a fused jumper wire in between terminals 87 and 30 of the relay connector.

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 | --