Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Press down the brake pedal. Do all of the stop lamps illuminate? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Are all lamps inoperative? | Go to Step 5 | Go to Step 4 |
4 | Test the voltage supply and ground circuits of the inoperative lamp or high mounted stop lamp for an open or high resistance. Did you find and correct the condition? | Go to Step 14 | Go to Step 9 |
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 10 |
6 | Connect a 10-amp fused jumper wire between the battery positive voltage circuit of the brake switch and the stop lamp supply voltage circuit. Do the stop lamps illuminate? | Go to Step 7 | Go to Step 11 |
7 | Inspect for poor connections at the harness connector of the brake switch. Did you find and correct the condition? | Go to Step 14 | Go to Step 8 |
8 | Inspect the brake switch for proper adjustment. Did you find and correct the condition? | Go to Step 14 | Go to Step 12 |
9 | Inspect for poor connections at the harness connector of the inoperative lamp or high mounted stop lamps. Did you find and correct the condition? | Go to Step 14 | Go to Step 13 |
10 | Repair an open, high resistance, or short to ground in the battery positive voltage circuit of the brake switch. Did you complete the repair? | Go to Step 14 | -- |
11 | Repair an open or high resistance in the stop lamp supply voltage circuit. Did you complete the repair? | Go to Step 14 | -- |
12 | Replace the brake switch. Did you complete the replacement? | Go to Step 14 | -- |
13 | Replace the bulb or high mounted stop lamp assembly. Did you complete the replacement? | Go to Step 14 | -- |
14 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
