Stop Lamps Inoperative
WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Stop Lamps Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Exterior Lights Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems |
|||
| 1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems |
| 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 4 | Go to Step 7 |
| 4 |
|
Go to Step 6 | Go to Step 5 |
| 5 | Test for a poor connection, open or a short to ground in the stop lamp voltage supply circuit. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 10 |
| 6 | Test for a poor connection or an open in the ground circuit of the inoperative stop lamp. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 9 |
| 7 |
|
Go to Step 10 | Go to Step 8 |
| 8 | Test for a poor connection or an open in the low reference circuit of the brake pedal position sensor. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 11 | Go to Step 10 |
| 9 | Replace the inoperative stop lamp. Refer to High Mounted Stop Lamp Replacement or Tail Lamp Assembly and/or Backup, Sidemarker, Stop, Turn Signal Bulb Replacement . Did you complete the repair? |
Go to Step 11 | - |
| 10 |
IMPORTANT:
After replacing the body control module (BCM). Perform the setup procedure. Refer to Body Control Module (BCM) Programming/RPO Configuration
in Body Control System. Replace the BCM. Refer to Body Control Module Replacement
in Body Control System.Did you complete the repair? |
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 |