Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Master Electrical Component List DEFINITION: The CHMSL lamps are on at all times. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Ensure that the brake pedal is not depressed. Are the stop lamps OFF? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Disconnect the body control module (BCM) connector C2. Does CHMSL stay illuminated? | Go to Step 5 | Go to Step 4 |
4 | Test for a poor connection or an open in the brake pedal position switch low reference circuit. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 7 | Go to Step 6 |
5 | Repair a short to battery positive voltage in the stop lamp voltage supply circuit. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 7 | -- |
6 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 7 | -- |
7 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |