Visual Inspection: Notes
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:
- A/C.
- generator (alternator).
- engine turbo.
- cellular telephone.
- cruise control.
- CB radio.
- linear booster.
- backup alarm signal.
- computer.
- Vehicle modification:
These items, if not installed correctly, will affect the 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; refer to LEAKAGE INSPECTION .
- Correct transmission selector lever cable adjustments; refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS .