Bus (+/-) Signals Open From SKIM

Test 1 - 4:

Test 5:

SYMPTOM
BUS +/- SIGNAL OPEN FROM SKIM

POSSIBLE CAUSES
- SKIM response failure
- PCI bus open circuit to SKIM
- SKIM fused B(+) open
- SKIM fused ignition switch output circuit open
- SKIM ground circuit open