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:
  • Air Conditioning
  • Generator (Alternators)
  • Engine Turbo
  • Cellular Telephone
  • Cruise Control
  • CB 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. Refer to LEAKAGE INSPECTION .
  • Correct linkage adjustments. Refer to GENERAL PROCEDURES .