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Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 226 (Automatic Transmission - 6F35) >> Diagnosis And Testing >> Automatic Transmission >> Diagnostic Routines >> Pinpoint Test B: Shift Solenoid B >> Pinpoint Test B: Shift Solenoid B

Pinpoint Test B: Shift Solenoid B

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  1. B1 RETRIEVE AND RECORD ALL DTCS 
    • Using the diagnostic scan tool, retrieve all DTCs.

    Are DTCs P0755, P0758, P0759, P0976 and/or P0977 present? 

    1. Yes  : For DTCs P0755, P0758 and P0759, GO to B2  .

      For DTC P0976, GO to  B5.

      For DTC P0977, GO to  B7.

    2. No  : GO to SYMPTOM CHART .
  2. B2 CHECK THE SSB 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-9  CET06 (GN/BN) C1750-7  CET06 (GN/BN)
      Fig 1: Identifying Transmission Vehicle Harness (C1520A) And TCM (C1750) Connector Terminals
      G08411582Courtesy of FORD MOTOR CO.

    Is the resistance less than 3 ohms? 

    1. Yes  : GO to B3  .
    2. No  : REPAIR the circuit.
  3. B3 CHECK THE SSB FOR AN OPEN 
    • Measure the component side resistance  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      9 - 5 -
      Fig 2: Identifying SSA Connector Terminals
      G08411583Courtesy of FORD MOTOR CO.

    Is the resistance between 4.0 and 7.2 ohms? 

    1. Yes  : 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 .
    2. No  : GO to B4  .
  4. B4 CHECK THE SSB RESISTANCE 
    • Remove the solenoid body leadframe, refer to SOLENOID BODY LEADFRAME . Inspect for metal shavings on the exposed metal contacts or other components and clean the solenoid and solenoid body leadframe terminals.
    • Measure SSB resistance  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      A - B -
      G08031026Courtesy of FORD MOTOR CO.

    Is the resistance between 4.0 and 7.2 ohms? 

    1. Yes  : INSTALL a new solenoid body leadframe. REFER to SOLENOID BODY LEADFRAME .
    2. No  : INSTALL a new SSB  . REFER to SOLENOIDS .
  5. B5 CHECK THE SSB CIRCUIT FOR A SHORT TO GROUND 
    • 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-9  CET06 (GN/BN) - Ground
      Fig 3: Identifying Transmission Vehicle Harness (C1520A) Connector Terminals
      G09087742Courtesy of FORD MOTOR CO.

    Is the resistance greater than 10, 000 ohms? 

    1. Yes  : GO to B6  .
    2. No  : REPAIR the circuit.
  6. B6 CHECK THE SSB FOR A SHORT TO GROUND 
    • Remove the solenoid body leadframe, refer to SOLENOID BODY LEADFRAME . Inspect for metal shavings on the exposed metal contacts or other components and clean the solenoid and solenoid body leadframe terminals.
    • Measure SSB resistance  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      A - - Ground
      G08031026Courtesy of FORD MOTOR CO.

    Is the resistance less than 5 ohms? 

    1. Yes  : INSTALL a new SSB  . REFER to SOLENOIDS .
    2. No  : INSTALL a new solenoid body leadframe. REFER to SOLENOID BODY LEADFRAME .
  7. B7 CHECK THE SSB CIRCUIT FOR A SHORT TO VOLTAGE 
    • 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.
    • Ignition ON.
    • Measure the voltage  between.
      Positive Lead Negative Lead
      Pin Circuit Pin Circuit
      C1520A-9  CET06 (GN/BN) - Ground
      Fig 4: Identifying Transmission Vehicle Harness (C1520A) Connector Terminals
      G09087744Courtesy of FORD MOTOR CO.

    Is any voltage present? 

    1. Yes  : REPAIR the circuit.
    2. No  : 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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