Visual Inspection: Notes

This inspection will identify modifications or additions to the vehicle operating system that may affect diagnosis. Inspect the vehicle for non-Mazda factory add-on devices such as:

• Electronic add-on items:
  • Air conditioning
  • Generator (alternator)
  • Engine turbo
  • Cellular telephone
  • Cruise control
  • CB radio
  • Linear booster
  • Backup alarm signal
  • Computer
  • Vehicle modification:

  These items, if not installed properly, 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. See AUTOMATIC TRANSMISSION SPECIAL TESTING PROCEDURE  .
• Proper linkage adjustments. See SHIFT CABLE AND BRACKET ADJUSTMENT .