FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Bus +/- Signal Open From SKIM

Tests 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