Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems | |||
1 | Did you review the exterior lighting description and operation and perform the necessary inspections? | Go to Step 2 | |
2 |
Does the test lamp illuminate? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Do the vehicle's stop lamps operate properly? | Go to Step 4 | Go to Stop Lamps Inoperative |
4 |
Does the test lamp illuminate? | Go to Step 5 | Go to Step 9 |
5 | Connect a test lamp between the stop lamp supply voltage circuit of the brake lamp relay and the ground circuit. Does the test lamp illuminate? | Go to Step 6 | Go to Step 10 |
6 | Probe the battery positive voltage circuit of the brake lamp relay with a test lamp that is connected to a good ground. Does the test lamp illuminate? | Go to Step 7 | Go to Step 11 |
7 |
Does the test lamp illuminate? | Go to Step 8 | Go to Step 12 |
8 | Inspect for poor connections at the brake lamp relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 14 | Go to Step 13 |
9 | Repair an open, high resistance or short to ground in the stop lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 14 | -- |
10 | Repair an open or high resistance in the ground circuit of the brake lamp relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 14 | -- |
11 | Repair an open, high resistance or short to ground in the battery positive voltage circuit of the brake lamp relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 14 | -- |
12 | Repair an open, high resistance or short to ground in the stop lamp supply voltage circuit of the brake lamp relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 14 | -- |
13 | Replace the brake lamp relay. Refer to Relay Replacement in Wiring Systems. 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 2 |
