Transmission Connector Layouts Connector Reference

Transmission Connector Layouts Connector Reference

150 Pin Powertrain Control Module (PCM) Transmission:

150 Pin Powertrain Control Module (PCM) Transmission

Transmission Vehicle Harness:

Transmission Vehicle Harness

Digital Transmission Range (TR) Sensor (part 1):

Digital Transmission Range (TR) Sensor (part 2):

Digital Transmission Range (TR) Sensor

Turbine Shaft Speed (TSS) Sensor:

Turbine Shaft Speed (TSS) Sensor

Output Shaft Speed (OSS) Sensor:

Output Shaft Speed (OSS) Sensor

Intermediate Shaft Speed Sensor Harness Connector:

Intermediate Shaft Speed Sensor Harness Connector

Digital Transmission Range (TR) Sensor Diagnosis Chart (part 1):

Digital Transmission Range (TR) Sensor Diagnosis Chart (part 2):

Digital Transmission Range (TR) Sensor Diagnosis Chart

Wiggle Test Information for Open/Shorts
A. TR4, TR3A, TR2, and TR1. are all closed in PARK. PARK is a good position to check for intermittent open circuits (with scan tool monitoring TR_D).
B. TR4, TR3A, TR2, and TR1. are all open in OVERDRIVE, so OVERDRIVE is a good position to check for shorts to ground. To determine the shorted components while observing TR_D, unplug the TR and see if the short goes away. If the short is still present unplug the transmission harness and see if the short goes away. If the short is still present, then the short is in the PCM or vehicle harness. Remove the suspect circuit(s) wire terminal from the PCM connector. If the short is still present, then the PCM has an internal failure, otherwise the failure is in the vehicle harness.