Checking Brake Switch
Tests 1 - 4:
Tests 5 - 6:
SYMPTOM
CHECKING BRAKE SWITCH OPERATION WITH NO DTC'S
POSSIBLE CAUSES
- DRB does not show brake switch pressed or released
- Brake lamp switch ground circuit open
- Brake lamp switch sense circuit open
- Brake lamp switch sense circuit shorted to ground
- Brake switch (sense circuit)
- Powertrain Control Module (brake sense)