Visual Inspection

Visual Inspection
This inspection will identify modifications or additions to the vehicle operating system that may affect diagnosis. Inspect the vehicle for non-Ford factory add-on devices such as:
^ electronic add-on items
- air conditioning
- generator (alternators)
- engine turbo
- cellular telephone
- cruise control
- C13 radio
- linear amplifiers
- backup alarm signal
- computer

^ Vehicle modification:
^ These items, if not installed correctly, will affect the Powertrain Control Module (PCM), or transmission function. Pay particular attention to add-on wiring splices in the PCM harness or transmission wiring harness, abnormal tire size, or axle ratio changes.
^ Leaks. For additional information, refer to Leakage Inspection. Leakage Inspection
^ Proper linkage adjustments.