Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The stoplamps are inoperative, but the turn and hazard signals are operating properly. | ||||
1 | Review the stoplamp operation and perform the necessary inspections. Did you complete the system review and inspection? | -- | Go to Step 2 | Go to Symptoms |
2 | Attempt to operate the stoplamps. Does the system operate when the TCC/Stoplamp switch has been properly adjusted? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Visually and physically inspect the stoplamp bulbs. Are the bulbs okay? | -- | Go to Step 5 | Go to Step 4 |
4 | Replace the defective bulbs. Did you complete the repair? | -- | Go to Step 12 | -- |
5 | With the brake applied, measure the voltage at the stoplamp power feed at C202 cavity E4 (WHT). Did the voltage equal battery voltage? | -- | Go to Step 6 | Go to Step 7 |
6 | Repair the open circuit between C202 and the stoplamps. Did you complete the repair? | -- | Go to Step 12 | -- |
7 |
Did the measurement equal battery voltage? | B+ | Go to Step 9 | Go to Step 8 |
8 | Repair the open CKT 140 (ORN) between the STOP fuse and the TCC/Stoplamp switch. Did you complete the repair? | -- | Go to Step 12 | -- |
9 | With the TCC/Stoplamp switch disconnected, activate the switch and test the continuity of the TCC/Stoplamp switch between terminals E and F. Did the test indicate continuity? | -- | Go to Step 11 | Go to Step 10 |
10 | Replace the TCC/Stoplamp switch. Did you complete the repair? | -- | Go to Step 12 | -- |
11 | Repair the open CKT 17 (WHT) between the TCC/Stoplamp switch and C202. Did you complete the repair? | -- | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
