Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Master Electrical Component List in Wiring Systems DEFINITION: One or more stop lamps are inoperative or operate dim. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
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 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 5 |
5 | Test for a poor connection, open, or a short to ground in the stop lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 9 |
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 10 | Go to Step 8 |
7 | Test for a poor connection or an open in the brake pedal position sensor signal 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 10 | Go to Step 9 |
8 | Replace the inoperative stop lamp. Refer to High Mount Stop Lamp Replacement or Tail Lamp Assembly and /or Backup, Sidemarker, Stop, Turn Signal Bulb Replacement . Did you complete the repair? | Go to Step 10 | -- |
9 | Replace the body control module (BCM). Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the repair? | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
