LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1290 (Automatic Transmission - 4R70E/W, 4R75E/W) >> Diagnostic Tests >> Pinpoint Tests - OSC Equipped Vehicle >> Pinpoint Tests >> Pinpoint Test C: Digital Transmission Range (TR) Sensor

Pinpoint Test C: Digital Transmission Range (TR) Sensor

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to the Digital Transmission Range (TR) Sensor Connector illustration in Transmission Connector Layouts .
NOTE: Refer to the Digital Transmission Range (TR) Sensor Diagnosis Chart in Transmission Connector Layouts .
  1. C1 VERIFY DTCs 
    • Vehicle in PARK.
    • Key in OFF position.
    • Check to make sure the transmission harness connector is fully seated, pins are fully engaged in connector and in good condition before proceeding.
    • Connect the diagnostic tool.
    • Key in ON position.
      • NOTE: DTCs P0705 and P0708 cannot be set by an incorrectly adjusted digital transmission range (TR) sensor.
    • Carry out On-Board Diagnostic Test.
    • Are only DTCs P0705, P0708 present? 
    1. YES  : Go to  C4.
    2. NO  : Go to  C2.
  2. C2 VERIFY DIGITAL TR SENSOR ALIGNMENT 
    • Check to make sure the digital TR sensor harness connector is fully seated, pins are fully engaged in connector and in good condition before proceeding.
    • Apply the parking brake.
    • Vehicle in NEUTRAL.
    • Disconnect the selector lever cable/linkage from the manual lever.
    • Verify that the TR Sensor Alignment Gauge fits in the appropriate slots.
    • Is the digital TR sensor adjustment OK? 
    1. YES  : Go to  C3.
    2. NO  : ADJUST the digital TR sensor. PLACE TR selector lever in P and CLEAR DTCs. REPEAT OBD Tests. Go to  C3 .
  3. C3 VERIFY SELECTOR LEVER CABLE/LINKAGE ADJUSTMENT 
    • Place the manual lever in the OVERDRIVE position.
    • Re-connect the selector lever cable/linkage.
    • Verify that the selector lever cable/linkage is adjusted OK. Refer to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article.
    • Is the selector lever cable/linkage adjusted OK?  
    1. YES  : Go to  C4.
    2. NO  : ADJUST the selector lever cable/linkage. REFER to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article.
  4. C4 CHECK ELECTRICAL SIGNAL OPERATION 
    • Vehicle in PARK.
    • Disconnect: Digital TR Sensor C167
      CAUTION: Do not pry on connector. This will damage the connector and result in a transmission concern.

      Press the button and pull out on the digital TR harness connector.

    • Inspect both ends of the connector for damage or pushed-out pins, corrosion, loose wires and missing or damaged seals.
    • Are the connector, pins and harness damaged? 
    1. YES  : REPAIR as required. CLEAR DTCs and REPEAT OBD Tests.
    2. NO  : If diagnosing a DTC, go to  C5 .

      If diagnosing a starting concern or a reversing lamp concern, go to  C6 .

  5. C5 CHECK ELECTRICAL SYSTEM OPERATION (DIGITAL TR AND PCM) 
    • Connect: Digital TR Sensor C167
    • Key in ON position.
    • Access the transmission PIDs
    • Move TR selector lever into each gear and stop.
    • Observe the following PIDs, TR, TR1, TR2, TR3A, TR4, TR_V and TR_F while wiggling harness, tapping on sensor and/or driving the vehicle.
    • Compare the PIDs to the Digital Transmission Range (TR) Sensor Diagnosis Chart.
    • Do the PIDs TR, TR1, TR2, TR3A, TR4 and TR_V match the Digital TR Sensor Diagnosis Chart, and do PIDs remain steady when the harness is wiggled, the sensor is tapped or the vehicle driven? 
    1. YES  : The problem is not in the digital TR sensor system. REFER to Diagnosis By Symptom  for further diagnosis.
    2. NO  : If the PIDs change when wiggling harness, tapping on the sensor or driving the vehicle, the problem may be intermittent.

      Go to  C7.

  6. C6 CHECK DIGITAL TR SENSOR OPERATION 
    • Disconnect: Digital TR Sensor C167
      CAUTION: Do not pry on connector. This will damage the connector and result in a transmission concern.
      • Fig 1: Measuring Resistance Between Digital TR Sensor Pin 10 & Pin 12
      GF0009956Courtesy of FORD MOTOR CO.
    • Measure the resistance between digital TR sensor pin 10 and pin 12, component side, with the selector lever in PARK and then NEUTRAL.
      • Fig 2: Measuring Resistance Between Digital TR Sensor Pin 9 & Pin 11
      GF0009957Courtesy of FORD MOTOR CO.
    • Measure the resistance between digital TR sensor pin 9 and pin 11, component side, with the selector lever in REVERSE.
    • Are all resistances less than 5 ohms? 
    1. YES  : Concern is not in the digital TR sensor, REFER to STARTING SYSTEM - GASOLINE ENGINES article or EXTERIOR LIGHTING article.
    2. NO  : INSTALL a new digital TR sensor. CLEAR DTCs and REPEAT OBD Tests.
  7. C7 CHECK DIGITAL TR SENSOR OPERATION 
    • Disconnect: Digital TR Sensor C167
      CAUTION: Do not pry on connector. This will damage the connector and result in a transmission concern.
      • Fig 3: Checking Digital TR Sensor Operation
      GF0009958Courtesy of FORD MOTOR CO.
    • Measure the resistance between digital TR sensor pin 2 and pins 3, 4, 5 and 6, component side, with the selector lever in each position. Compare the measurements to the Digital Transmission Range (TR) Sensor Diagnosis Chart.
    • Do the measurements match Digital Transmission Range (TR) Sensor Diagnosis Chart? 
    1. YES  : Concern is not in the digital TR sensor, go to  C8 .
    2. NO  : INSTALL a new digital TR sensor. CLEAR DTCs and REPEAT OBD Tests.
  8. C8 CHECK PCM HARNESS CIRCUITS FOR OPENS 
    • Key in OFF position.
    • Disconnect: PCM C175T
    • Disconnect: Digital TR Sensor C167
      CAUTION: Do not pry on connector. This will damage the connector and result in a transmission concern.
    • Inspect for damaged or pushed-out pins, corrosion or loose wires.
      • Fig 4: Checking PCM Harness Circuits For Opens
      GF0012334Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-41, circuit 359 (GY/RD), harness side, and digital TR sensor C167-2, circuit 359 (GY/RD), harness side.
      • Fig 5: Measuring Resistance Between PCM C175T-16, Circuit 1144 (YE/BK)
      GF0012335Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-16, circuit 1144 (YE/BK), harness side, and digital TR sensor C167-4, circuit 1144 (YE/BK), harness side.
      • Fig 6: Measuring Resistance Between PCM C175T-17, Circuit 1145 (LB/BK)
      GF0012336Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-17, circuit 1145 (LB/BK), harness side, and digital TR sensor C167-5, circuit 1145 (LB/BK), harness side.
      • Fig 7: Measuring Resistance Between PCM C175T-28, Circuit 1143 (WH/BK)
      GF0012337Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-28, circuit 1143 (WH/BK), harness side, and digital TR sensor C167-6, circuit 1143 (WH/BK), harness side.
      • Fig 8: Measuring Resistance Between PCM C175T-27, Circuit 1266 (RD/BK)
      GF0012338Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-27, circuit 1266 (RD/BK), harness side, and digital TR sensor C167-3, circuit 1266 (RD/BK), harness side.
    • Are all resistances less than 5 ohms? 
    1. YES  : Go to  C9.
    2. NO  : REPAIR open circuit(s). RECONNECT all components. CLEAR DTCs. REPEAT OBD Tests.
  9. C9 CHECK PCM HARNESS CIRCUITS FOR A SHORT TO GROUND OR POWER 
      Fig 9: Measuring Resistance Between PCM C175T-41, Circuit 359 (GY/RD)
      GF0012339Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-41, circuit 359 (GY/RD), harness side, and ground.
      • Fig 10: Measuring Resistance Between PCM C175T-16, Circuit 1144 (YE/BK)
      GF0012340Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-16, circuit 1144 (YE/BK), harness side, and ground.
      • Fig 11: Measuring Resistance Between PCM C175T-17, Circuit 1145 (LB/BK)
      GF0003450Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-17, circuit 1145 (LB/BK), harness side, and ground.
      • Fig 12: Measuring Resistance Between PCM C175T-28, Circuit 1143 (WH/BK)
      GF0012341Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-28, circuit 1143 (WH/BK), harness side, and ground.
      • Fig 13: Measuring Resistance Between PCM C175T-27, Circuit 1266 (RD/BK)
      GF0012342Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-27, circuit 1266 (RD/BK), harness side, and chassis ground.
    • Are all resistances greater than 10,000 ohms? 
    1. YES  : Go to  C10.
    2. NO  : REPAIR short circuit(s). RECONNECT all components. CLEAR DTCs. REPEAT OBD Tests.
  10. C10 CHECK FOR A SHORT BETWEEN TR/PCM INPUT SIGNAL CIRCUITS 
      Fig 14: Measuring Resistance PCM C175T-16 & Pins 17, Circuit 1144 (YE/BK) & 1145 (LB/BK)
      GF0009968Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-16 circuit 1144 (YE/BK) and PCM C175T pins 17 circuit 1145 (LB/BK), 27 circuit 1268 (RD/BK) and 28 circuit 1143 (WH/BK).
      • Fig 15: Measuring Resistance PCM C175T-17 & Pins 27, Circuit 1145 (LB/BK) & 1268 (RD/BK)
      GF0009969Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-17 circuit 1145 (LB/BK) and PCM C175T pins 27 circuit 1268 (RD/BK) and 28 circuit 1143 (WH/BK).
      • Fig 16: Measuring Resistance PCM C175T-27 & Pins 28, Circuit 1268 (RD/BK) & 1143 (WH/BK)
      GF0009970Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T-27 circuit 1268 (RD/BK) and PCM C175T-28 circuit 1143 (WH/BK).
    • Are all the resistances greater than 10,000 ohms? 
    1. YES  : INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS - GASOLINE ENGINES article. RECONNECT all components. CLEAR DTCs. REPEAT OBD Tests.
    2. NO  : REPAIR shorts on circuits having less than 10,000 ohms between other TR/PCM input signal circuits. RECONNECT all components. CLEAR DTCs. REPEAT OBD Tests.
scientia non olet · About LEMON Manuals