Brake Switch Sense Status Does Not Change on DRB

Test 1 - 3:

Test 4 - 8:

Test 9:

SYMPTOM
BRAKE SWITCH SENSE STATUS DOES NOT CHANGE ON DRBIII(R)


POSSIBLE CAUSES
- DRBIII(R) Does Not Show Brake SW Pressed Or Released
- (F32) Fused B+ Circuit Open
- (Z2) Ground Circuit Open
- (V40) Brake Lamp Switch Signal Circuit
- (V40) Brake Lamp Switch Signal Circuit Open
- (V40) Brake Lamp Switch Signal Circuit Short To Ground
- (V40) Brake Lamp Switch Signal Less Than 10.0 Volts
- (V32) S/C Power Supply Circuit Below 10 Volts At Brake Switch Conn
- PCM