Diagnostic Special Service Tool(s)

ROTUNDA TRANSMISSION TESTER
The Transmission Tester is used to diagnose the electronically controlled transmission and is used in conjunction with the pinpoint tests. The tests should be performed in order. Installing the Transmission Tester allows separation of the vehicle electronics from transmission electronics.
- Bench Testing - Engine Off
- Resistance/Continuity Test
- Solenoid Voltage Test
- Dynamic Testing - Engine On
- Electronic Pressure Control (EPC) Solenoid
- Transmission Engagements
- Upshifts/Downshifts
- Torque Converter Clutch (TCC) Engagement
- Coast Clutch
- Digital Transmission Range (TR) Sensor Testing
- Resistance/Continuity Test
- Sensor Tests
- Switch Test - Park/Neutral, Backup Lamp and Optional Circuits