Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics | |||
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | |
2 | Depress the brake pedal. Do all of the stop lamps illuminate? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Is only one lamp inoperative? | Go to Step 9 | Go to Step 4 |
4 |
Do the stop lamps illuminate? | Go to Step 6 | Go to Step 5 |
5 | With a test lamp connected to a good ground, probe the stop lamp switch battery positive voltage supply circuit. Does the test lamp illuminate? | Go to Step 7 | Go to Step 8 |
6 | Inspect the stop lamp switch adjustment. Refer to Stop Lamp Switch Adjustment in Hydraulic Brakes. Did you find and correct the condition? | Go to Step 11 | Go to Step 10 |
7 | Repair an open or high resistance in the switched stop lamp circuit. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
8 | Repair the open or high resistance in the stop lamp battery positive voltage supply circuit. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
9 | Repair the open or high resistance in the inoperative stop lamp power supply or ground circuit. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
10 | Replace the stop lamp switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes. Did you complete the replacement? | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
