LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 266 (Automatic Transmission) >> Diagnosis And Testing >> Pinpoint Tests - OSC Equipped Vehicle >> Pinpoint Tests >> Pinpoint Test A: Shift And Torque Converter Clutch Solenoids

Pinpoint Test A: Shift And Torque Converter Clutch Solenoids

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Read and record all DTCs. All Digital TR Sensor and VSS DTCs must be repaired before entering Output State Control (OSC).
NOTE: Refer to the TRANSMISSION INTERNAL HARNESS  illustration preceding these pinpoint tests.
NOTE: Refer to the TRANSMISSION VEHICLE HARNESS CONNECTOR  illustration preceding these pinpoint tests.
  1. A1 ELECTRONIC DIAGNOSTICS 
      WARNING: If equipped with fire suppression system, depower the system. For important safety warnings and procedures, refer to FIRE SUPPRESSION SYSTEM .
    • If equipped with fire suppression system, depower the system. For important safety warnings and procedures, refer to FIRE SUPPRESSION SYSTEM .
    • 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.
    • Install Diagnostic Tool.
    • Key in ON position.
    • Enter the following diagnostic mode on the scan tool: Diagnostic Data Link.
    • Enter the following diagnostic mode on the scan tool: PCM.
    • Enter the following diagnostic mode on the scan tool: Active Command Modes.
    • Enter the following diagnostic mode on the scan tool: Output State Control (OSC).
    • Enter the following diagnostic mode on the scan tool: Trans-Bench Mode.
    • Does vehicle enter Trans-Bench Mode? 

    Yes  : GO to A2.

    No  : REPEAT procedure to enter Trans-Bench Mode. If vehicle did not enter Trans-Bench Mode, REFER to the INTRODUCTION - GASOLINE article for diagnosis of PCM. If equipped with fire suppression system, GO to  A10.

  2. A2 WIGGLE TEST 
    • Select PIDs to be monitored.
      PID REFERENCE

      PID Command PID Actual
      SSA SS1F
      SSB SS2F
      TCC TCCF
    • Select "ON" to turn suspect solenoid on.
    • Press "SEND".
    • Wiggle all wiring and connectors to the transmission. Monitor the Solenoid State for changes.
    • Select "OFF" to turn solenoid off.
    • Press "SEND".
    • Does the suspect solenoid(s) fault state change? 

    Yes  : REPAIR open or short in the vehicle harness or connector. If equipped with fire suppression system, GO to  A10.

    No  : GO to A3.

  3. A3 SOLENOID FUNCTIONAL CHECK 
    • Monitor each solenoid state.
    • Turn each solenoid ON and OFF.
    • Does the solenoid turn ON and OFF when commanded and can solenoid activation be heard? 

    Yes  : GO to A4.

    No  : GO to  A5.

  4. A4 OSC TRANS-DRIVE MODE (GR_CM OR TCC) 
    • Carry out OSC Trans-Drive Mode.
    • Select GR_CM for Shift Solenoids or follow procedures for GR_CM as listed.
    • Select TCC for Torque Converter Clutch Solenoid. Follow procedures of TCC in Drive Mode as listed.
    • Does the transmission upshift and downshift or torque converter engage/disengage when commanded? 

    Yes  : CLEAR all DTCs. ROAD TEST to verify if concern is still present. If concern is still present, REFER to DIAGNOSIS BY SYMPTOM  to diagnose shift or torque converter concern. If equipped with fire suppression system, GO to  A10.

    No  : GO to A5.

  5. A5 CHECK FOR BATTERY VOLTAGE 
    • Remove transmission fluid pan.
    • Visually inspect the lead frame and connectors for damage.
    • Key in ON position.
    • Measure the voltage with the positive lead to VPWR solenoid pin and negative lead to a good ground.
      Fig 1: Measuring Voltage With Positive Lead To VPWR Solenoid Pin And Negative Lead To Good Ground
      G04584204Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 

    Yes  : GO to A6.

    No  : CHECK for open or short circuit in harness or solenoid. If equipped with fire suppression system, GO to  A10.

  6. A6 ELECTRICAL SIGNAL CHECK 
    • Measure the voltage with the positive lead connected to VPWR solenoid pin and the negative lead to the signal pin of the appropriate solenoid.
      Fig 2: Measuring Voltage With Positive Lead Connected To VPWR Solenoid Pin And Negative Lead
      G04584205Courtesy of FORD MOTOR CO.
    • Enter the following diagnostic mode on the scan tool: Trans-Bench Mode.
    • Select Parameter SSA, SSB or TCC.
    • Select "ON".
    • Press "SEND".
    • Turn the solenoids ON and OFF, while monitoring the voltage, solenoid state on the diagnostic tool (ON and OFF), and listen for the solenoid to activate (click).
    • Measure the voltage with the positive lead to VPWR pin and the negative lead to the TCC pin.
      Fig 3: Measuring Voltage With Positive Lead To VPWR Pin And Negative Lead To TCC Pin
      G04584206Courtesy of FORD MOTOR CO.
    • Enter Trans-Bench Mode.
    • Select Parameter TCC.
    • Select "ON".
    • Press "SEND".
    • Turn the solenoid ON and OFF, while monitoring the voltage, solenoid state on the diagnostic tool (ON and OFF), and listen for the solenoid to activate (click).
    • Select "OFF", press "SEND".
    • Does the voltage and solenoid state change? 

    Yes  : GO to A7.

    No  : CHECK for open or short circuit in harness, solenoid or a PCM concern. If equipped with fire suppression system, GO to  A10.

  7. A7 CHECK LEAD FRAME SOLENOID CONNECTIONS 
    • Key in OFF position.
    • Disconnect the lead frame.
    • Inspect the lead frame for damage.
    • Using the special tool, check all lead frame solenoid connections.
      Fig 4: Locating Lead Frame Connector Pins
      G04584207Courtesy of FORD MOTOR CO.
    • Does the special tool go through any of the lead frame solenoid connector pins? 

    Yes  : INSTALL a new lead frame and GO to A8.

    No  : GO to A8.

  8. A8 CHECK SOLENOID RESISTANCE AT SOLENOID 
    • Measure the resistance of solenoid SSA and SSB.
      Fig 5: Measuring Resistance Of Solenoid SSA And SSB
      G04584208Courtesy of FORD MOTOR CO.
    • Measure the resistance of the TCC solenoid.
      SOLENOID RESISTANCE REFERENCE

      Solenoid Resistance (ohms)
      SSA 20-30
      SSB 20-30
      TCC 10-16
      Fig 6: Measuring Resistance Of TCC Solenoid
      G04584209Courtesy of FORD MOTOR CO.
    • Are the resistances correct? 

    Yes  : GO to A9.

    No  : INSTALL a new solenoid. If equipped with fire suppression system, GO to  A10.

  9. A9 CHECK SOLENOID FOR SHORT TO GROUND 
    • Measure the resistance between each of the TCC solenoid pins and ground.
      Fig 7: Measuring Resistance Between TCC Solenoid Pins And Ground
      G04584210Courtesy of FORD MOTOR CO.
    • Measure the resistance between the SSA, SSB and vehicle power pins and ground.
      Fig 8: Measuring Resistance Between SSA, SSB And Vehicle Power Pins And Ground
      G04584211Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 

    Yes  : INSTALL a new solenoid. If equipped with fire suppression system, GO to A10.

    No  : REFER to DIAGNOSIS BY SYMPTOM  for diagnosis of shift or torque converter concerns. If equipped with fire suppression system, GO to A10.

  10. A10 REPOWER THE FIRE SUPPRESSION SYSTEM 
      WARNING: If equipped with fire suppression system, repower the system. For important safety warnings and procedures, refer to FIRE SUPPRESSION SYSTEM .
    • Verify that the fire suppression system is repowered. Refer to FIRE SUPPRESSION SYSTEM .
    • Is the fire suppression system repowered? 

    Yes  : Fire suppression system repowering is complete.

    No  : REFER to FIRE SUPPRESSION SYSTEM for fire suppression system depowering and repowering procedure.

scientia non olet · About LEMON Manuals