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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 556 (Automatic Transmission) >> Diagnosis And Testing >> Pinpoint Tests - OSC Equipped Vehicles >> 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 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to DIGITAL TRANSMISSION RANGE (TR) SENSOR  and DIGITAL TRANSMISSION RANGE (TR) SENSOR DIAGNOSIS CHART  preceding these pinpoint tests.
  1. C1 VERIFY DIAGNOSTIC TROUBLE CODES 
    • Key in OFF position.
    • Select PARK.
    • Carry out on-board diagnostic test.
    • Are only DTC codes P0705, P0708 present? 

    Yes 

    GO to  C4.

    No 

    GO to C2.

  2. C2 VERIFY DIGITAL TRANSMISSION RANGE SENSOR ALIGNMENT 
    • Key in OFF position.
    • Select PARK.
    • Check to make sure the digital TR sensor harness connector is fully seated, terminals are fully engaged in connector and in good condition before proceeding.
    • Apply the parking brake.
    • Select NEUTRAL.
    • Disconnect the shift cable/linkage from the manual lever.
    • Verify that the TR Sensor Alignment Gauge fits in the appropriate slots.
    • Is the digital TR sensor correctly adjusted? 

    Yes 

    GO to C3.

    No 

    ADJUST the digital TR sensor. REFER to TRANSMISSION RANGE (TR) SENSOR ADJUSTMENT . PLACE transmission range selector lever into PARK and CLEAR DTCs. RERUN OBD Tests. GO to C3.

  3. C3 VERIFY SHIFT CABLE/LINKAGE ADJUSTMENT 
    • Select DRIVE.
    • Connect the shift cable/linkage.
    • Verify that the shift cable/linkage is correctly adjusted. Refer to SELECTOR LEVER CABLE ADJUSTMENT .
    • Is the shift cable/linkage is correctly adjusted? 

    Yes 

    GO to C4.

    No 

    ADJUST the shift cable/linkage. REFER to SELECTOR LEVER CABLE ADJUSTMENT . GO to C4.

  4. C4 CHECK ELECTRICAL SIGNAL OPERATION 
    • Select PARK.
    • Disconnect: Digital TR Sensor.
      • CAUTION: Do not pry on connector. This will damage the connector and result in a transmission concern.
    • Inspect both ends of the connector for damage or pushed out pins, corrosion, loose wires and missing or damaged seals.
    • Is there damage to the connector, pins or harness? 

    Yes 

    REPAIR as necessary. CLEAR DTCs and RERUN OBD Tests.

    No 

    If diagnosing a DTC, GO to C5.

    If diagnosing a starting concern or a backup lamp concern, GO to  C10.

  5. C5 CHECK ELECTRICAL SYSTEM OPERATION (TR AND PCM) 
    • Key in OFF position.
    • Connect the diagnostic tool.
    • Connect: Digital TR Sensor.
    • Key in ON position.
    • Enter the following diagnostic mode on the diagnostic tool: TR PIDS TR_D, TR_V.
    • Move transmission range selector lever into each gear and stop.
    • Observe the PIDs, TR_D, and TR_V (vehicle-dependent) while wiggling harness, tapping on sensor, or driving the vehicle. Use PIDs TR_D for DTCs P0705, P1704, and P1705. Use PIDs TR_V for DTC P0708.
    • Compare the PIDs to the Digital Transmission Range (TR) Sensor Diagnosis Chart.
    • Do the PIDs TR_D and TR_V match the Digital Transmission Range (TR) Sensor Diagnosis chart, and does the TR_D PID remain steady when the harness is wiggled, the sensor is tapped on, or the vehicle driven? 

    Yes 

    The problem is not in the digital TR sensor system. Refer to DIAGNOSIS BY SYMPTOM  for further diagnosis.

    No 

    If TR_D changes when wiggling harness, tapping on the sensor or driving the vehicle, the problem may be intermittent.

    GO to C6.

  6. C6 CHECK DIGITAL TRANSMISSION RANGE SENSOR OPERATION 
    • Disconnect: Digital TR Sensor.
    • Connect: TR-E Cable to Transmission Tester.
    • Connect: TR-E Cable to Digital TR Sensor.
    • Place the DIGITAL TR Overlay onto Transmission Tester.
    • Carry out SENSOR Test as instructed on the digital TR Overlay.
    • Does the status lamp on the tester TRS-E cable match the selected gear positions? 

    Yes 

    Concern is not in the digital TR sensor. GO to C7.

    No 

    INSTALL a new digital TR sensor and ADJUST. REFER to DIGITAL TRANSMISSION RANGE (TR) SENSOR . CLEAR DTCs and RERUN OBD Tests.

  7. C7 CHECK PCM HARNESS CIRCUITS FOR OPENS 
    • Key in OFF position.
    • Disconnect: 150 Pin PTEC Module Connector "B".
    • Disconnect: Digital TR Sensor.
      • CAUTION: Do not pry the connector. This will damage the connector and result in a transmission concern.
    • Measure the resistance between TR pin 2 harness side and signal return PCM pin 41 harness side.
      • Fig 1: Measuring Resistance Between TR Pin 2 Harness Side And Signal Return PCM Pin 41 Harness Side
      G03181926Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM pin 16 and TR pin 4 harness side.
      Fig 2: Measuring Resistance Between PCM Pin 16 And TR Pin 4 Harness Side
      G03181927Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM pin 17 and TR pin 5 harness side.
      Fig 3: Measuring Resistance Between PCM Pin 17 And TR Pin 5 Harness Side
      G03181928Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM pin 28 and TR pin 6 harness side.
      Fig 4: Measuring Resistance Between PCM Pin 28 And TR Pin 6 Harness Side
      G03181929Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM pin 27 and TR pin 3 harness side.
      Fig 5: Measuring Resistance Between PCM Pin 27 And TR Pin 3 Harness Side
      G03181930Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 

    Yes 

    GO to C8.

    No 

    REPAIR the circuits. TEST the system for normal operation.

  8. C8 CHECK PCM HARNESS CIRCUITS FOR SHORT TO GROUND OR POWER 
    • Measure the resistance between PCM pin 41 and TR pins 10 and 12 harness side and ground.
      Fig 6: Measuring Resistance Between PCM Pin 41 And TR Pins 10 And 12 Harness Side And Ground
      G03181931Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM pin 16 harness side and ground; and PCM pin 41 harness side and ground.
      Fig 7: Measuring Resistance Between PCM Pin 16 Harness Side And Ground; And PCM Pin 41 Harness Side And Ground
      G03181932Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM pin 17 harness side and ground; and PCM pin 41 harness side and ground.
      Fig 8: Measuring Resistance Between PCM Pin 17 Harness Side And Ground; And PCM Pin 41 Harness Side And Ground
      G03181933Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM pin 28 harness side and ground; and PCM pin 41 harness side and ground.
      Fig 9: Measuring Resistance Between PCM Pin 28 Harness Side And Ground; And PCM Pin 41 Harness Side And Ground
      G03181934Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM pin 27 harness side and ground; and PCM pin 41 harness side and ground.
      Fig 10: Measuring Resistance Between PCM Pin 27 Harness Side And Ground; And PCM Pin 41 Harness Side And Ground
      G03181935Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10,000 ohms? 

    Yes 

    GO to C9.

    No 

    REPAIR the circuits. TEST the system for normal operation. CLEAR DTCs. RERUN OBD Tests.

  9. C9 CHECK FOR SHORT BETWEEN TR/PCM INPUT SIGNAL CIRCUITS 
    • Measure the resistance between PCM pin 27 harness side and PCM pins 16, 17 and 28 harness side.
      Fig 11: Measuring Resistance Between PCM Pin 27 Harness Side And PCM Pins 16, 17 And 28 Harness Side
      G03181936Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM pin 16 harness side and PCM pins 27, 17 and 28 harness side.
      Fig 12: Measuring Resistance Between PCM Pin 16 Harness Side And PCM Pins 27, 17 And 28 Harness Side
      G03181937Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM pin 17 harness side and PCM pins 16, 27 and 28 harness side.
      Fig 13: Measuring Resistance Between PCM Pin 17 Harness Side And PCM Pins 16, 27 And 28 Harness Side
      G03181938Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM pin 28 harness side and PCM pins 16, 17 and 27 harness side.
      Fig 14: Measuring Resistance Between PCM Pin 28 Harness Side And PCM Pins 16, 17 And 27 Harness Side
      G03181939Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10,000 ohms? 

    Yes 

    INSTALL a new PCM. TEST the system for normal operation.

    No 

    REPAIR the circuit. TEST the system for normal operation.

  10. C10 CHECK THE NON-PCM INTERNAL CIRCUITS OF SENSOR 
    • Connect: TRS-E Cable to Transmission.
    • Connect: TRS-E Cable to Digital TR Sensor.
    • Place the Digital TR Overlay onto Transmission Tester.
    • Carry out Switch Test as instructed on the Digital TR Overlay.
    • Does the status lamp on the tester indicate RED for the correct gear position? 

    Yes 

    Concern is not in the digital TR sensor. For start system concerns, REFER to INTAKE AIR, FUEL CHARGING, STARTING AND ENGINE ELECTRONICS - 4.0L SOHC or INTAKE AIR, FUEL CHARGING, STARTING AND ENGINE ELECTRONICS -4.6L (2V) For backup lamp concerns, REFER to EXTERIOR LIGHTING .

    No 

    INSTALL a new digital TR sensor and ADJUST. REFER to DIGITAL TRANSMISSION RANGE (TR) SENSOR . CLEAR DTCs and RERUN OBD Tests.

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