Rotunda Transmission Tester

Rotunda Transmission Tester

The Rotunda Transmission Tester is used to diagnose the digital transmission range sensor and is used in conjunction with the pinpoint tests. The tests should be carried out in order. Installing the Rotunda Transmission Tester allows separation of the vehicle electronics from transmission electronics. Refer to the Rotunda Transmission Tester manual for these tests.
^ Digital Transmission Range (TR) Sensor Testing Test C: Digital Transmission Range (TR) Sensor
^ Resistance/Continuity Test
^ Voltage Test - PARK NEUTRAL, REVERSE Lamp, and Optional Circuits