Transaxle Connector Layouts

Fig 1: PCM Transaxle Connector - C175T

Courtesy of FORD MOTOR CO.

Pin Number	Circuit Function
14	Output Shaft Speed (OSS) Sensor Signal
15	Turbine Shaft Speed (TSS) Sensor Signal
16	Transmission Control Switch (TCS)
17	Transmission Range (TR)1
18	TR2
19	TR3
20	Transmission Fluid Temperature (TFT) Sensor Supply
27	Shift Solenoid B (SSB)
28	Shift Solenoid D (SSD)
29	Torque Converter Clutch (TCC) Solenoid
32	TR4
35	Line Pressure Control (LPC)
38	Shift Solenoid E (SSE)
39	Shift Solenoid A (SSA)
40	Shift Solenoid C (SSC)
41	TSS/OSS Power
43	TFT Signal Return
45	TR/TSS/OSS Ground
47	Transaxle Solenoid Power Control Voltage

Fig 2: Transaxle Vehicle Harness Connector - C168

Courtesy of FORD MOTOR CO.

Pin Number	Circuit Function
1	Shift Solenoid E (SSE)
2	Transmission Fluid Temperature (TFT) Sensor Supply
3	TFT Signal Return
4	Transmission Range (TR)1
5	TR2
6	TR3
7	TR4
8	TR Sensor Ground
9	Turbine Shaft Speed (TSS)/Output Shaft Speed (OSS) Sensor Ground
10	OSS Sensor Signal
11	Not Used
12	Shift Solenoid D (SSD)
13	Shift Solenoid A (SSA)
14	Torque Converter Clutch (TCC) Solenoid
15	Transaxle Solenoid Power Control Voltage
16	Shift Solenoid B (SSB)
17	Shift Solenoid C (SSC)
18	Line Pressure Control (LPC)
19	TSS Sensor Signal
20	TSS/OSS Sensor Power Supply

Fig 3: Solenoid Body-to-Transmission Range (TR) Sensor Internal Circuit Diagram

Courtesy of FORD MOTOR CO.

Solenoid Body Main Connector Pin Number	TR Sensor Pin Number	Circuit Function
4	5	Transmission Range (TR)1
5	4	TR2
6	3	TR3
7	2	TR4
8	1	TR Ground
-	6	Empty

NOTE: The Output Shaft Speed (OSS) sensor connector is on top of the 20-pin solenoid body connector (next to the Transmission Range (TR) sensor connector).

Fig 4: Solenoid Body-to-Output Shaft Speed (OSS) Sensor Internal Circuit Diagram

Courtesy of FORD MOTOR CO.

Solenoid Body Main Connector Pin Number	OSS Sensor Pin Number	Circuit Function
9	3	Turbine Shaft Speed (TSS)/Output Shaft Speed (OSS) Sensor Ground Circuit
10	1	OSS Sensor Signal
20	2	TSS/OSS Sensor Power Supply

NOTE: The Turbine Shaft Speed (TSS) sensor connector is below the 20-pin solenoid body connector.

Fig 5: Solenoid Body-to-Turbine Shaft Speed (TSS) Sensor Internal Circuit Diagram

Courtesy of FORD MOTOR CO.

Solenoid Body Main Connector Pin Number	TSS Sensor Pin Number	Circuit Function
9	1	Turbine Shaft Speed (TSS)/Output Shaft Speed (OSS) Sensor Ground Circuit
19	3	TSS Sensor Signal
20	2	TSS/OSS Sensor Power Supply

Fig 6: Digital Transmission Range (TR) Sensor Connector

Courtesy of FORD MOTOR CO.

Pin Number	Circuit Function
1	Transmission Range (TR) Ground
2	TR4
3	TR3
4	TR2
5	TR1
6	Empty

Fig 7: Turbine Shaft Speed (TSS) Sensor

Courtesy of FORD MOTOR CO.

Pin Number	Circuit Function
1	Turbine Shaft Speed (TSS) Sensor Ground
2	TSS Power
3	TSS Sensor Signal

Fig 8: Output Shaft Speed (OSS) Sensor Connector

Courtesy of FORD MOTOR CO.

Pin Number	Circuit Function
1	Output Shaft Speed (OSS) Sensor Signal
2	OSS Power
3	OSS Sensor Ground