F 150 4WD Pickup V8-4.6L SOHC VIN 6 (1997)
Information Bus: Flow of Diagnosis
1. Verify the customer concern by operating the system in question.
2. Visually inspect for obvious signs of mechanical and electrical damage.
Visual Inspection Chart
Electrical
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Damaged wiring harness
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Loose or corroded connections
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Damaged 4WABS module
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Damaged Remote Anti-theft Personality (RAP) module
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Damaged GEM
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Damaged air bag diagnostic monitor
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Damaged Powertrain Control Module (PCM)
3. If the concern is not visually evident, perform the System Precheck.