Transmission Tester
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2002 Lincoln Navigator, 2002 Ford Expedition, 2001 Lincoln Navigator, 2001 Ford RV Cutaway, and 2001 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
The Rotunda® Transmission Tester is used to diagnose electronically controlled transmissions and is used in conjunction with the diagnostic tests. The tests should be carried out in order. Installing the transmission tester allows separation of the vehicle electronics from transmission electronics. For additional information, refer to the transmission tester manual for these following tests:
- Bench Testing-Engine OFF
- Resistance/Continuity Tests
- Solenoid Voltage Test
- Dynamic Testing-Engine ON
- EPC Solenoid
- Transmission Engagements
- Upshifts/Downshifts
- Torque Converter Clutch (TCC) Engagement
- Intermediate Shaft Speed (ISS) Sensor
- Output Shaft Speed (OSS) Sensor
- Turbine Shaft Speed (TSS) Sensor
- Digital Transmission Range (TR) Sensor Testing
- Resistance/Continuity Test
- Sensor Tests
- Switch Tests-TR Sensor, Backup Lamp, and Optional Circuits