Pinpoint Test J: Transmission Range Sensor

WARNING: This page is about a different variant/trim than selected.

J1 READ AND RECORD ALL DTCS .
- Connect the scan tool.
- Read and record all DTCs.
- Were DTCs P0706, P0707, P0708, P1702, P1705 and/or P1921 set?
- Yes : For DTCs P0706, P0707, P0708, P1702 and/or P1921 GO to J2.
  For DTC P1705, GO to J8.
- No : GO to SYMPTOM CHART .

J2 CHECK THE TR SENSOR CIRCUITS FOR POWER

Ignition OFF.
Disconnect: Transmission Vehicle Harness C168.
Inspect the connector for damaged or pushed out terminals, corrosion, loose wires and missing or damaged seals.
Ignition ON.

Measure the voltage between:

Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C168-4	VET29 (VT/WH)	-	Ground
C168-5	VET30 (YE)	-	Ground
C168-6	VET31 (BU/OG)	-	Ground
C168-7	VET32 (VT)	-	Ground

Fig 1: Identifying Transmission Vehicle Harness C168 Connector Terminals

Courtesy of FORD MOTOR CO.

Is the voltage greater than 9 volts on all circuits?

Yes : GO to J3.
No : GO to J4.

J3 CHECK THE TR SENSOR GROUND CIRCUIT

Measure the voltage between:

Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C168-4	VET29 (VT/WH)	C168-8	RET24 (BN/BU)

Fig 2: Identifying Transmission Vehicle Harness C168 Connector Terminals

Courtesy of FORD MOTOR CO.

Is the voltage less than 9 volts?

Yes : REPAIR the circuit. CLEAR the DTCs.
No : GO to J6.

J4 CHECK THE TR SENSOR CIRCUITS FOR AN OPEN

Ignition OFF.
Disconnect: PCM C175T.
Inspect the connector for damaged or pushed out terminals, corrosion, loose wires and missing or damaged seals.

Measure the resistance between:

Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C168-4	VET29 (VT/WH)	C175T-26	VET29 (VT/WH)
C168-5	VET30 (YE)	C175T-27	VET30 (YE)
C168-6	VET31 (BU/OG)	C175T-30	VET31 (BU/OG)
C168-7	VET32 (VT)	C175T-17	VET32 (VT)
C168-8	RET24 (BN/BU)	C175T-36	RET24 (BN/BU)

Fig 3: Identifying Transmission Vehicle Harness C168 And PCM Connector Terminals

Courtesy of FORD MOTOR CO.

Is the resistance greater than 5 ohms?

Yes : REPAIR the circuit. CLEAR the DTCs.
No : GO to J5.

J5 CHECK THE TR SENSOR CIRCUIT FOR A SHORT TO GROUND

Measure the resistance between:

Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C168-4	VET29 (VT/WH)	-	Ground
C168-5	VET30 (YE)	-	Ground
C168-6	VET31 (BU/OG)	-	Ground
C168-7	VET32 (VT)	-	Ground

Fig 4: Identifying Transmission Vehicle Harness C168 Connector Terminals

Courtesy of FORD MOTOR CO.

Is the resistance less than 5 ohms?

Yes : REPAIR the circuit. CLEAR the DTCs.
No : INSTALL a new PCM. REFER to ENGINE CONTROLS - ELECTRONIC ENGINE CONTROLS . PROGRAM the PCM with the latest calibration level. PERFORM the SOLENOID BODY STRATEGY DATA DOWNLOAD procedure. REFER to SOLENOID BODY STRATEGY DOWNLOAD . PERFORM the SOLENOID BODY STRATEGY DRIVE CYCLE , REFER to SOLENOID BODY STRATEGY DRIVE CYCLE .

J6 CHECK THE TR SENSOR CIRCUITS SHORTED TOGETHER .

Measure the resistance between:

Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
C168-8	RET24 (BN/BU)	C168-4	VET29 (VT/WH)
C168-8	RET24 (BN/BU)	C168-5	VET30 (YE)
C168-8	RET24 (BN/BU)	C168-6	VET31 (BU/OG)
C168-8	RET24 (BN/BU)	C168-7	VET32 (VT)
C168-4	VET29 (VT/WH)	C168-5	VET30 (YE)
C168-4	VET29 (VT/WH)	C168-6	VET31 (BU/OG)
C168-4	VET29 (VT/WH)	C168-7	VET32 (VT)
C168-5	VET31 (BU/OG)	C168-6	VET31 (BU/OG)
C168-5	VET31 (BU/OG)	C168-7	VET32 (VT)
C168-6	VET31 (BU/OG)	C168-7	VET32 (VT)

Fig 5: Identifying Transmission Vehicle Harness C168 Connector Terminals

Courtesy of FORD MOTOR CO.

Are all the resistances greater than 10, 000 ohms?

Yes : GO to J7.
No : REPAIR the circuits having less than 10, 000 ohms between other TR sensor circuits that are shorted together. CLEAR the DTCs.

J7 CHECK THE TR SENSOR SOLENOID BODY ASSEMBLY

Remove the main control cover. REFER to MAIN CONTROL COVER .

Measure the component side resistance between:

Positive Lead		Negative Lead
Pin	Circuit	Pin	Circuit
4	-	1	-
5	-	2	-
6	-	3	-
7	-	4	-
8	-	5	-

Fig 6: Identifying TR Sensor Solenoid Body Terminal Pins

Courtesy of FORD MOTOR CO.

Is the resistance less than 0.5 ohms?

Yes : INSTALL a new TR sensor. REFER to DIGITAL TRANSMISSION RANGE (TR) SENSOR . CLEAR the DTCs.
No : INSTALL a new solenoid body assembly. REFER to SOLENOID BODY ASSEMBLY . PERFORM the SOLENOID BODY STRATEGY DATA DOWNLOAD procedure. REFER to SOLENOID BODY STRATEGY DOWNLOAD . PERFORM the SOLENOID BODY STRATEGY DRIVE CYCLE , REFER to SOLENOID BODY STRATEGY DRIVE CYCLE .

J8 ON DEMAND SELF-TEST
- Check to make sure the transmission harness connector is fully seated, terminals are engaged in connector and in good condition before proceeding.
- Connect the scan tool.
- Make sure the selector lever is in the PARK or NEUTRAL position.
- Carry out the KOEO self-test.
- Did DTC P1705 return?
- Yes : VERIFY selector lever cable adjustment. REFER to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS , Selector Lever Cable Adjustment - 6F50/6F55.
- No : TEST complete.