Vehicle Speed Signal Output

Test 1-3:

Test 4-5:

SYMPTOM
VEHICLE SPEED SIGNAL OUTPUT

POSSIBLE CAUSES
- CONTROLLER ANTILOCK BRAKE DTC'S PRESENT
- INTERMITTENT VEHICLE SPEED SIGNAL
- VEHICLE SPEED SIGNAL CIRCUIT SHORTED OR OPEN
- CAB - NO SPEED SIGNAL OUTPUT
- PCM - CAN'T READ VEHICLE SPEED SIGNAL