No Response From Transmission Control Module - Transmission Control System

Test 1 Through 3:

Test 4 Through 7:

Test 8:

SYMPTOM:
*NO RESPONSE FROM TCM

POSSIBLE CAUSES
FUSED IGNITION SWITCH OUTPUT (RUN/ST) CIRCUIT OPEN
FUSED IGNITION SWITCH OUTPUT (START) CIRCUIT OPEN
GROUND CIRCUIT OPEN
FUSED B(+) CIRCUIT TO TCM OPEN
OTHER BUS PROBLEMS PRESENT
PCI BUS CIRCUIT OPEN
TCM (PCI BUS CIRCUIT)