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 (alternators)
- 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 linkage adjustments, refer to Automatic Transmission/Transaxle.


Selector Lever Linkage Check

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


Check TSBs

Refer to all TSBs which pertain to the 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 Self-Test using the scan tool. Refer to Computers and Control Systems Information for diagnosis and testing of the powertrain control system.