Scan Tool Testing and Procedures

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; refer to the Transmission Tester manual for these tests and instructions.
- Bench Testing-Engine Off
- Resistance/Continuity Test
- Solenoid Voltage Test
- Dynamic Testing-Engine On
- EPC Solenoid
- Transmission Engagements
- Upshifts/Down shifts
- 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