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Home >> Ford >> 1997 >> Ranger 4WD V6-3.0L VIN U >> Repair and Diagnosis >> Transmission and Drivetrain >> Transmission Control Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Description of On-Board Diagnostics >> DTR Testing >> Introduction

Introduction

The Rotunda Transmission Tester 007-00130 (part of Rotunda Transmission Tester Kit), TR Testing Cable "E" 007-00111 and Digital TR Sensor Overlay 007-00131 or equivalent allows a technician to test the DTR sensor independent of vehicle electronics. DTR sensor testing is divided into four steps:

1. Preliminary diagnosis and testing.
2. Installing the Rotunda Transmission Tester 007-00130 (part of Rotunda Transmission Tester Kit), TR Testing cable "E" (007-00111) and Digital TR Overlay or equivalent.
3. Testing the digital transmission range (DTR) sensor.
4. Testing the park/neutral, backup and optional circuits.
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