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Transmission Connector Layouts

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Transmission Vehicle Harness Connector - C1274
GF0003428Courtesy of FORD MOTOR CO.
Pin Number Circuit Circuit Function
1 - Not used
2 359 (GY/RD) Signal return
3 126 (VT/YE) Torque converter clutch (TCC) solenoid
4 391 (RD/YE) Vehicle power
5 923 (OG/BK) Transmission fluid temperature (TFT) input
6 925 (WH/YE) Electronic pressure control (EPC) solenoid
7 237 (OG/YE) Shift solenoid A (SSA)
8 315 (VT/OG) Shift solenoid B (SSB)
9 - Not used
10 - Not used
Fig 2: Transmission Internal Harness Connector - C1274
GF0003429Courtesy of FORD MOTOR CO.
Pin Number Circuit Circuit Function
1 - Not used
2 - Signal return transmission fluid temperature (TFT)
3 - Torque converter clutch (TCC)
4 - Vehicle power to solenoid
5 - TFT
6 - Electronic pressure control (EPC)
7 - Shift solenoid A (SSA)
8 - Shift solenoid B (SSB)
9 - Not used
10 - Not used
Fig 3: Digital Transmission Range (TR) Sensor Connector
GF0003430Courtesy of FORD MOTOR CO.
Pin Number Circuit Circuit Function
1 - Not used
2 359 (GY/RD) Signal return
3 1268 (RD/BK) Transmission range 3 (TR3)
4 1144 (YE/BK) Transmission range 1 (TR1)
5 1145 (LB/BK) Transmission range 2 (TR2)
6 1143 (WH/BK) Transmission range 4 (TR4)
7 - Not used
8 - Not used
9 1789 (VT/WH) Fused power feed
10 33 (WH/PK) Starter control
11 140 (BK/PK) Reverse
12 262 (BN/PK) Starter to starter interrupt relay
Fig 4: Output Shaft Speed (OSS) Sensor Harness Connector - C1107
GF0003431Courtesy of FORD MOTOR CO.
Pin Number Circuit Circuit Function
1 359 (GY/RD) Signal return
2 136 (DB/YE) Output shaft speed (OSS) sensor
Fig 5: Turbine Shaft Speed (TSS) Sensor Harness Connector - C143
GF0003432Courtesy of FORD MOTOR CO.
Pin Number Circuit Circuit Function
1 970 (DG/WH) Turbine shaft speed (TSS) sensor
2 359 (GY/RD) Signal return
Fig 6: PCM Harness Connector - C175T
GF0000914Courtesy of FORD MOTOR CO.
DIGITAL TRANSMISSION RANGE (TR) SENSOR DIAGNOSIS CHART

Selector Position PID: TR PID: TR
TR4 TR3 TR2 TR1 TR3_V
Park P/N closed closed closed closed 0.0 Volt
In Between REV closed open closed closed 1.3-1.8 Volts
Reverse REV open open closed closed 1.3-1.8 Volts
In Between REV closed open closed closed 1.3-1.8 Volts
Neutral NTRL closed open open closed 1.3-1.8 Volts
In Between O/Da open open open closed 1.3-1.8 Volts
Overdrive O/Da open open open open 1.3-1.8 Volts
In Between Man 2 open closed open open 0.0 Volts
Manual 2 Man 2 open closed closed open 0.0 Volts
In Between Man 2 open closed open open 0.0 Volts
Manual 1 Man 1 closed closed open open 0.0 Volts
  1. TR3_V is the voltage at the PCM pin 27 to signal return.
  2. "In Between" reading could be caused by a selector lever cable or digital TR sensor misaligned or a digital TR sensor circuit failure of TR1, TR2, TR3 or TR4.
  3. Readings taken from PCM signal pins for TR1, TR2, TR3, TR4 to signal return.
    • Voltages for TR1, TR2, TR4: 
    • 0 = 0.0 volt.
    • 1 = 9.0-14.0 volts.
    • Voltage for TR3: 
    • 0 = 0.0 volt.
    • 1 = 1.3-1.8 volts.

Wiggle Test Information For Open/Shorts

  • TR4, TR3, TR2 and TR1 are all closed in PARK. PARK is a good position to check for intermittent open circuits (with diagnostic tool monitoring TR).
  • TR4, TR3, 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, unplug the TR sensor 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.
Pin Number Circuit Circuit Function
3 136 (DB/YE) Output shaft speed (OSS) sensor signal
11 925 (WH/YE) Electronic pressure control (EPC) solenoid PC1
15 970 (DG/WH) Turbine shaft speed (TSS) sensor signal
16 1144 (YE/BK) Digital transmission range (TR) sensor, TR1
17 1145 (LB/BK) Digital TR sensor, TR2
27 1268 (RD/BK) Digital TR sensor, TR3
28 1143 (WH/BK) Digital TR sensor, TR4
29 923 (OG/BK) Transmission fluid temperature (TFT) input
41 359 (GY/RD) Signal return
42 237 (OG/YE) Shift solenoid A (SSA)
43 315 (VT/OG) Shift solenoid B (SSB)
46 126 (VT/YE) Torque converter clutch (TCC) solenoid

a Will read "Drive" if Overdrive (Circle D) is canceled.