Visual Inspection

Visual Inspection

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 amplifiers
- 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 Leakage Inspection.
- Correct selector lever linkage adjustments. Refer to Automatic Transaxle/Transmission External Controls - Aisin AW21/6F35 Adjustments.

Selector Lever Linkage Check

Hydraulic leakage at the manual control valve can cause delay in engagements and/or slipping while operating if the selector lever linkage is not correctly adjusted. Refer to Automatic Transaxle/Transmission External Controls - Aisin AW21/6F35 Adjustments for selector lever linkage adjustment.

Check TSBs

Refer to all TSBs which pertain to the concern and follow the procedure.