Visual Inspection
Visual InspectionThis inspection will identify malfunctions to the vehicle operating system that may affect diagnosis.
1. Vehicle modification
2. Electronic add-on items
- Air conditioning
- Generator (alternator)
- Engine turbo
- Cellular telephone
- Cruise control
- CB radio
- Linear booster
- Backup alarm signal
- Computer
3. Leaks.
4. Proper linkage adjustments.
These items, if not installed properly, will affect powertrain control module or transmission function. Pay particular attention to add-on wiring splices in the powertrain control module harness or transmission wiring harness, abnormal tire size, or axle ratio changes.