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, 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 , .