Step | Action | Value(s) | Yes | No | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |||||||||||||||||
2 | Verify that the fog lamps are always on. Do the fog lamps operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||||||||||||
3 | Use the Scan Tool to inspect for the following related Body Control Module (BCM) Data/ Input parameters and Output controls. Refer to Scan Tool Data List in Body Control System for typical values and definitions.
Did you find and correct a problem? | -- | Go to Step 13 | Go to Step 4 | ||||||||||||||||
4 | Use the Scan Tool to monitor the Fog Lamp Switch inputs with the switches in the OFF position. Does the scan tool indicate that a switch is ON? | -- | Go to Step 10 | Go to Step 5 | ||||||||||||||||
5 | Remove the fog lamp relay. Do the fog lamps turn OFF? | -- | Go to Step 7 | Go to Step 6 | ||||||||||||||||
6 | Locate and repair the short to battery power in CKT 34 or CKT 2234. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 13 | -- | ||||||||||||||||
7 | Using a J 39200 Digital Multimeter (DMM), check for continuity to ground CKT 1317 or CKT 1977 at the Fog Lamp Relay socket. Refer to Circuit Testing in Wiring Systems. Is continuity present? | -- | Go to Step 9 | Go to Step 8 | ||||||||||||||||
8 | Replace the fog lamp relay. Refer to Fog Lamp Relay Replacement . Is the repair complete? | -- | Go to Step 13 | -- | ||||||||||||||||
9 | Locate and repair the short to ground in CKT 1317 or CKT 1977. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 13 | -- | ||||||||||||||||
10 | Disconnect the Fog Lamp Switch. Test CKT 192 (ORN) or CKT 187 (LT BLU) for a short to ground. Refer to Circuit Testing in Wiring Systems. Was a problem found? | -- | Go to Step 11 | Go to Step 12 | ||||||||||||||||
11 | Locate and repair the short to ground in CKT 192 (ORN) or CKT 187 (LT BLU). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 13 | -- | ||||||||||||||||
12 | Replace the Fog Lamp Switch. Refer to Fog Lamp Switch Replacement or Rear Fog Lamp Switch Replacement . Is the repair complete? | -- | Go to Step 13 | -- | ||||||||||||||||
13 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
