Stop Lamps Inoperative Pickup/Utility Except Export
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 | Verify that the stoplamps are inoperative. Do the stop lamps operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Inspect the STOP LP 20A fuse in the Underhood Fuse Block. Is the fuse open? | -- | Go to Step 4 | Go to Step 5 |
4 | Locate and repair short to ground in CKT 1540 (ORN), 17 (WHT), 1418 (YEL/BLK) or 1419 (DK GRN/WHT). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 10 | -- |
5 |
Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 6 |
6 | Test for open or high resistance in CKT 17 (WHT) or CKT 1540 (ORN). Refer to Circuit Testing in Wiring Systems. Was a problem found? | -- | Go to Step 8 | Go to Step 9 |
7 | Adjust or replace the Stoplamp Switch.Refer to Stop Lamp Switch Replacement in Hydraulic Brakes. Is the repair Complete? | -- | Go to Step 10 | -- |
8 | Repair the open or high resistance in CKT 17 (WHT) or CKT 1540 (ORN). Refer to Wiring Repairs in Wiring Systems. Is the repair Complete? | -- | Go to Step 10 | -- |
9 | Replace the Multifunction Switch (Turn Signal Switch). Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Standard or Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle Steering Wheel and Column - Tilt. Is the repair Complete? | -- | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
Stop Lamps Inoperative Export
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 | Verify that the stoplamps are inoperative. Do the stop lamps operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Does the High Mount Stop Lamp operate properly? | -- | Go to Step 4 | |
4 | Inspect the bulb for an open filament. Was a problem found? | -- | Go to Step 5 | Go to Step 6 |
5 | Replace the defective bulb. Is the repair complete? | -- | Go to Step 9 | -- |
6 | Connect a test lamp from ground to terminal A of either inoperative Tail/Stoplamp socket and apply the service brake. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 8 |
7 | Locate and repair the open or high resistance in CKT 1350 (BLK). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 9 | -- |
8 | Locate and repair the open or high resistance in CKT 1320 (LT BLU). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 9 | -- |
9 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
