Brake Switch Sense Status Does Not Change on DRB

Test 1 - 3:

Test 4 - 8:

SYMPTOM
BRAKE SWITCH SENSE STATUS DOES NOT CHANGE ON DRB


POSSIBLE CAUSES
- DRBIII(R) does not show brake sw pressed or released
- (F32) Fused B+ circuit open
- (Z2) Ground circuit open
- Brake switch
- (V40) Brake switch signal circuit open
- (V40) Brake switch signal circuit shorted to ground
- Misadjusted switch
- PCM