Ford Mustang (1999-2004) Service Manual: Transmission Connector Layouts

Transmission Vehicle Harness Connector

Transmission Vehicle Harness Connector

 

Transmission Vehicle Harness Connector

Transmission Internal Harness Connector

Transmission Internal Harness Connector

 

Transmission Internal Harness Connector

Digital Transmission Range (TR) Sensor Connector

Digital Transmission Range (TR) Sensor Connector

 

Digital Transmission Range (TR) Sensor Connector

Output Shaft Speed (OSS) Sensor Harness Connector

Output Shaft Speed (OSS) Sensor Harness Connector

 

Output Shaft Speed (OSS) Sensor Harness Connector

Digital Transmission Range (TR) Sensor Diagnosis Chart

Digital Transmission Range (TR) Sensor Diagnosis Chart

Digital Transmission Range (TR) Sensor Diagnosis Chart

a - Will read "Drive" if O/D is canceled.

A. TR_V is the voltage at the PCM pin 64 (TR3A Circuit) to signal return.

B. "In Between" reading could be caused by a shift cable or digital TR sensor misaligned or a digital TR sensor circuit failure of TR1, TR2, TR3A, or TR4.

C. TR_D: 1= Open Digital TR switch, 0= Closed Digital TR switch.

D. EEC-V Control System Breakout Box Readings: Taken from PCM signal pins for TR1, TR2, TR3A, TR4 to signal return.

Voltages for TR1, TR2, TR4:

  • 0 = 0.0 volts.
  • 1 = 9.0 - 14.0 volts.
  • Voltage for TR3A:
  • 0 = 0.0 volts.
  • 1 = 1.3 - 1.8 volts.

Wiggle Test Information For Open/Shorts

  • 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).
  • 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 from the PCM vehicle harness. If the short is still present, then the PCM has an internal failure. Otherwise the failure is in the vehicle harness.
    Diagnostic Trouble Code Charts
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    Pinpoint Tests - OSC Equipped Vehicles
    Special Tool(s) Breakout Box, EEC-V Control System 418-049 (T94L-50-EEC-V) or equivalent MLP-TR Cable 418-F107 (007-00111) or equivalent Worldwide Diagnost ...

    Other materials:

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    Speed Control (Diagnosis and Testing)
    Refer to Wiring Diagrams Cell 31 , Speed Control for schematic and connector information. Special Tool(s) Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent diagnostic tool 7 ...

    Torque Converter Diagnosis
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