Visual Inspection

Visual Inspection
A visual 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 booster
^ backup alarm signal
^ computer
^ Vehicle modification:

These items, if not installed correctly, will affect the PCM, transmission control module (TCM) 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 selector lever linkage adjustments.

Selector Lever Linkage Check
Check for a misadjustment in the selector lever linkage by matching the detents in the selector lever with those of the manual lever in the transmission. If they match, the misadjustment is in the indicator. Do not adjust the selector lever linkage.

Hydraulic leakage at the manual control valve can cause delay in engagements and/or slipping while operating if the linkage is not correctly adjusted.

Check TSBs
Refer to all TSBs that pertain to the transmission concern and follow the procedure.

Carry Out On-Board Diagnostics (Key ON Engine OFF [KOEO], Key ON Engine Running [KOER])
After a road test, with the vehicle warm and before disconnecting any connectors, carry out the Quick Test using the scan tool. Refer to Computers and Control Systems.