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Home >> Ford >> 2015 >> Explorer Limited, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - 6F35) >> Diagnosis And Testing >> Automatic Transmission >> Diagnostic Routines >> Pinpoint Test L : Output Shaft Speed Sensor >> Pinpoint Test L : Output Shaft Speed Sensor

Pinpoint Test L : Output Shaft Speed Sensor

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

  1. L1 RETRIEVE AND RECORD ALL DTCS

    • Using the diagnostic scan tool, retrieve all DTCs.

    Are DTCs P0720, P0721, P0722 and/or P0715 present? 

    Yes  For DTCs P0720, P0721 and P0722, GO to  L2. For DTC P0715 and P0720, GO to  L6.
    No  GO to Symptom Chart .

  2. L2 CHECK OSS SENSOR SIGNAL CIRCUIT FOR AN OPEN

    • Ignition OFF.
    • Disconnect: Transmission Vehicle Harness C1520A .
    • Disconnect: TCM C1750 .
    • Inspect the connectors 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
      C1520A-19 VET26 (BN/GN) C1750-51 VET26 (BN/GN)
    1. GFD35619Courtesy of FORD MOTOR COMPANY

    Is the resistance less than 3 ohms? 

    Yes  GO to  L3.
    No  REPAIR the circuit.

  3. L3 CHECK OSS SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND

    • Measure the resistance  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      C1520A-19 VET26 (BN/GN) - Ground
    1. GFD35622Courtesy of FORD MOTOR COMPANY

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  L4.
    No  REPAIR the circuit.

  4. L4 CHECK OSS SENSOR SIGNAL CIRCUIT FOR A SHORT TO POWER

    • Ignition ON.
    • Measure the voltage  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      C1520A-19 VET26 (BN/GN) - Ground
    1. GFD35622Courtesy of FORD MOTOR COMPANY

    Is any voltage present? 

    Yes  REPAIR the circuit.
    No  GO to  L5.

  5. L5 CHECK THE OSS SENSOR GROUND CIRCUIT

    • Ignition OFF.
    • Ignition ON.
    • Measure the voltage  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      C1520A-18 LE111 (VT/GN) C1520A-20 RET24 (BN/BU)
    1. GFD35622Courtesy of FORD MOTOR COMPANY

    Is voltage less than 4.8 volts? 

    Yes  INSPECT and REPAIR the circuit. If an open circuit is not found, INSTALL a new TCM. REFER to Transmission Control Module (TCM) . PROGRAM the TCM with the latest calibration level. PERFORM the Solenoid Body Strategy Download procedure. REFER to Solenoid Body Strategy Download .
    No  INSTALL a new OSS sensor. REFER to Output Shaft Speed (OSS) Sensor .

  6. L6 CHECK OSS SENSOR VPWR CIRCUIT FOR AN OPEN

    • Ignition OFF.
    • Disconnect: Transmission Vehicle Harness C1520A .
    • Inspect the connectors 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
      C1520A-18 LE111 (VT/GN) - Ground
    1. GFD35622Courtesy of FORD MOTOR COMPANY

    Is the voltage less than 9.5 volts? 

    Yes  INSPECT and REPAIR the circuit. If an open circuit is not found, INSTALL a new TCM. REFER to Transmission Control Module (TCM) . PROGRAM the TCM with the latest calibration level. PERFORM the Solenoid Body Strategy Download procedure. REFER to Solenoid Body Strategy Download .
    No  ROAD TEST the vehicle, if DTCs P0715 and/or P0720 return, INSTALL a new TCM. REFER to Transmission Control Module (TCM) . PROGRAM the TCM with the latest calibration level. PERFORM the Solenoid Body Strategy Download procedure. REFER to Solenoid Body Strategy Download .
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