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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 526 (Automatic Transmission) >> Diagnosis And Testing >> Pinpoint Tests - Non OSC Equipped Vehicles >> Pinpoint Tests >> Pinpoint Test A: Shift Solenoid

Pinpoint Test A: Shift Solenoid

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to TRANSAXLE INTERNAL HARNESS DIAGRAM  for the transaxle internal harness diagram illustration.
NOTE: Refer to TRANSAXLE VEHICLE HARNESS CONNECTOR  for the transaxle vehicle harness connector illustration.
  1. A1 ELECTRONIC DIAGNOSTICS 
    • Check to make sure the transaxle harness connector is fully seated; terminals are engaged in connector and in good condition before proceeding.
    • Connect the diagnostic tool.
    • Carry out KOEO Test until continuous DTCs have been displayed.
    • Enter Output Test Mode (OTM).
    • Select the mode ALL ON. PUSH START to turn outputs ON. PUSH STOP to turn outputs OFF.
    • Does vehicle enter OTM? 

      Yes 

      REMAIN in Output OTM. GO to A2.

      No 

    PRESS START. If vehicle does not enter OTM, refer to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE .

  2. A2 CHECK THE ELECTRICAL SIGNAL OPERATION 
    CAUTION: Do not pry on the connector. This will damage the connector and could result in a transaxle concern. Pull up on the connector harness.
    • Disconnect: Transaxle Vehicle Harness Connector.
    • Use a mirror to inspect both ends of the connector for damage or pushed out pins, corrosion, loose wires and missing or damaged seals.
    • Connect the positive test lead to VPWR pin 2 and the negative test lead to the appropriate solenoid circuit pin 1, 6 and pin 8 of the vehicle harness connector.
      Pin Shift Solenoid
      1 SSA
      6 SSB
      8 SSC
      Fig 1: Checking Electrical Signal Operation
      G03244394Courtesy of FORD MOTOR CO.
    • Place tester on the 20 volt scale.
    • While observing the tester, press start and stop to cycle solenoid output ON and OFF.
    • Does the suspect solenoid output voltage change at least 0.5 volts? 

      Yes 

      GO to  A5.

      No 

      GO to A3.

  3. A3 CHECK THE CONTINUITY OF THE SOLENOID SIGNAL AND VPWR HARNESS CIRCUITS 
    • Key in OFF position.
    • Disconnect: Transaxle Vehicle Harness Connector.
    • Disconnect: Powertrain Control Module (PCM).
    • Inspect for damaged or pushed out pins, corrosion or loose wires.
    • Install the EEC-V Control System Breakout Box.
    • Measure the resistance between the powertrain control module (PCM) signal test pin 27 at the EEC-V Control System Breakout Box and the SSA signal test pin 1 at the transaxle harness connector.
    Fig 2: Checking Continuity Of Solenoid Signal And VPWR Harness Circuits (Test Pin 27)
    G03244395Courtesy of FORD MOTOR CO.
    • Measure the resistance between the powertrain control module (PCM) signal test pin 1 at the EEC-V Control System Breakout Box and the SSB signal test pin 6 at the transaxle harness connector.
      Fig 3: Checking Continuity Of Solenoid Signal And VPWR Harness Circuits (Test Pin 1)
      G03244396Courtesy of FORD MOTOR CO.
    • Measure the resistance between the powertrain control module (PCM) signal test pin 53 at the EEC-V Control System Breakout Box and the SSC signal test pin 8 at the transaxle harness connector.
      Fig 4: Checking Continuity Of Solenoid Signal And VPWR Harness Circuits (Test Pin 53)
      G03244397Courtesy of FORD MOTOR CO.
    • Measure the resistance between the PCM signal test pin 71 at the EEC-V Control System Breakout Box and the signal test pin 2 at the transaxle harness connector.
      Fig 5: Checking Continuity Of Solenoid Signal And VPWR Harness Circuits (Test Pin 71)
      G03244398Courtesy of FORD MOTOR CO.
    • Is each resistance less than 5 ohms? 

      Yes 

      GO to A4.

      No 

      REPAIR the open circuit(s). REMOVE the EEC-V Control System Breakout Box. RECONNECT all of the components. REPEAT the Quick test

  4. A4 CHECK THE SOLENOID HARNESS FOR SHORT TO POWER AND GROUND 
    • Key in OFF position.
    • Disconnect: Transaxle Harness Connector.
    • Disconnect: Powertrain Control Module (PCM).
    • Install the EEC-V Control System Breakout Box.
    • Measure the resistance between the PCM signal output pin 1 and test pin 71 at the EEC-V Control System Breakout Box.
      Fig 6: Checking Solenoid Harness For Short To Power And Ground (1 Of 6)
      G03244399Courtesy of FORD MOTOR CO.
    • Measure the resistance between the PCM signal out pin 53 and test pin 71 at the EEC-V Control System Breakout Box.
      Fig 7: Checking Solenoid Harness For Short To Power And Ground (2 Of 6)
      G03244400Courtesy of FORD MOTOR CO.
    • Measure the resistance between the PCM signal out pin 27 and test pin 71 at the EEC-V Control System Breakout Box.
    Fig 8: Checking Solenoid Harness For Short To Power And Ground (3 Of 6)
    G03244401Courtesy of FORD MOTOR CO.
    • Measure the resistance between the PCM signal output pin 27 and the test pins 24, 25, 51, 76, 77, 91 and 103 at the EEC-V Control System Breakout Box and chassis ground.
      Fig 9: Checking Solenoid Harness For Short To Power And Ground (4 Of 6)
      G03244402Courtesy of FORD MOTOR CO.
    • Measure the resistance between the PCM signal output pin 1 and test pins 24, 25, 51, 76, 77, 91 and 103 at the EEC -V Control System Breakout Box and chassis ground.
      Fig 10: Checking Solenoid Harness For Short To Power And Ground (5 Of 6)
      G03244403Courtesy of FORD MOTOR CO.
    • Measure the resistance between the PCM signal output pin 53 and test pins 24, 25, 51, 76, 77, 91 and 103 at the EEC-V Control System Breakout Box and chassis ground.
      Fig 11: Checking Solenoid Harness For Short To Power And Ground (6 Of 6)
      G03244404Courtesy of FORD MOTOR CO.
    • Is each resistance greater than 10,000 ohms? 

      Yes 

      GO to A5.

      No 

      REPAIR the short circuit(s). REMOVE the EEC-V Control System Breakout Box. RECONNECT all of the components. REPEAT the Quick Tests.

  5. A5 TRANSMISSION FUNCTIONAL TEST 
    CAUTION: Do not pry on the connector. This will damage the connector and could result in a transaxle concern. Pull up on the connector harness.
    • Disconnect: Transaxle Vehicle Harness Connector.
    • Connect the diagnostic tool.
      NOTE: LED will turn GREEN when solenoid activates and turn off when deactivated. LED will turn RED if an ACTIVATED solenoid/harness is shorted to battery positive. LED will remain off if an ACTIVATED solenoid/harness is shorted to ground or no continuity (open circuit).
    • Carry out all Static Testing - Engine OFF procedures for the shift solenoids. Refer to the transmission tester manual.
    • Does solenoid (LED GREEN) activate? 

      Yes 

      GO to A6.

      No 

      GO to  A7.

  6. A6 TRANSMISSION DRIVE TEST 
    • Reconnect the PCM.
    • Carry out the Dynamic Testing - Engine ON. Refer to the transmission tester manual.
    • Does the vehicle upshift when commanded by the tester? 

      Yes 

      INSTALL a new powertrain control module. ERASE all codes and CARRY OUT the Transaxle Drive Cycle Test. Refer to TRANSAXLE DRIVE CYCLE TEST . RERUN the Quick Test. If DTCs are still present, refer to DIAGNOSIS BY SYMPTOM .

      No 

      GO to A7.

  7. A7 CHECK THE RESISTANCE OF THE SOLENOID/HARNESS 
    NOTE: Refer to the transmission tester for terminal locations.
    • Place the Bench/Drive switch to BENCH mode.
    • Rotate the Gear Select switch to the OHMS CHECK position.
    • Connect the ohmmeter negative lead to the SS-1 jack and the positive lead to the VPWR jack on the tester.
      Fig 12: Checking Resistance Of Solenoid/Harness (1 Of 3)
      G03244405Courtesy of FORD MOTOR CO.
    • Record the resistance. The resistance should be between 15 and 30 ohms.
    • Connect the ohmmeter negative lead to the SS-2 jack and the positive lead to the VPWR jack on the tester.
    Fig 13: Checking Resistance Of Solenoid/Harness (2 Of 3)
    G03244406Courtesy of FORD MOTOR CO.
    • Record the resistance. The resistance should be between 15 and 30 ohms.
      Fig 14: Checking Resistance Of Solenoid/Harness (3 Of 3)
      G03244407Courtesy of FORD MOTOR CO.
    • Connect the ohmmeter negative lead to the SS-3 jack and the positive lead to the VPWR jack on the tester.
    • Record the resistance. The resistance should be between 15 and 30 ohms.
    • Is the resistance for each solenoid between 15 and 30 ohms? 

      Yes 

      GO to A8.

      No 

      NOTE: The out of specification condition may be caused by internal harness or solenoid concerns.

      GO to  9A9.

  8. A8 CHECK THE SOLENOID/HARNESS FOR SHORT TO GROUND 
    • Check for continuity between the BAT(-) jack (engine ground) and the appropriate jack with an ohmmeter or other low current tester (less than 200 milliamps).
      Solenoid Tester Jack
      SSA SS-1/VPWR
      SSB SS-2/VPWR
      SSC SS-3/VPWR
      Fig 15: Checking Solenoid/Harness For Short To Ground
      G03244408Courtesy of FORD MOTOR CO.
    • Connection should show infinite resistance (no continuity).
    • Does the connection show continuity? 

      Yes 

      GO to A9.

      No 

    Refer to DIAGNOSIS BY SYMPTOM .

  9. A9 INTERNAL ELECTRONIC DIAGNOSTICS 
    • Remove the transaxle side pan.
    • Check that the internal harness connector is fully engaged on each shift solenoid.
    • Check that the internal harness connector terminals are fully seated in the connector.
    • Inspect the connector for damage.
    • Are the above in good condition and engaged correctly? 

      Yes 

      GO to A10.

      No 

      REPAIR as required.

  10. A10 CHECK THE INTERNAL HARNESS (CONTINUITY) 
    CAUTION: Do not probe into the connector terminals. This will damage the connector and could result in a transaxle concern.
    • Disconnect: Internal Harness From Each Solenoid.
    • For SSA, connect the positive lead from an ohmmeter to the tester jack SS-1 and the negative lead at the orange wire of the 2-wire connector.
      Fig 16: Checking Internal Harness (Continuity) (1 Of 6)
      G03244409Courtesy of FORD MOTOR CO.
    • Record the resistance. The resistance should be less than 0.5 ohms.
    • For SSB, connect the positive lead from an ohmmeter to the tester jack SS-2 and the negative lead at the pink wire of the 2-wire connector.
      Fig 17: Checking Internal Harness (Continuity) (2 Of 6)
      G03244410Courtesy of FORD MOTOR CO.
    • Record the resistance. The resistance should be less than 0.5 ohms.
    • For SSC, connect the positive lead from an ohmmeter to the tester jack SS-3 and the negative lead at the yellow wire of the 2-wire connector.
    Fig 18: Checking Internal Harness (Continuity) (3 Of 6)
    G03244411Courtesy of FORD MOTOR CO.
    • Record the resistance. The resistance should be less than 0.5 ohms.
    • For VPWR, connect the positive lead from an ohmmeter to the tester jack VPWR and the negative lead to the red wire of the 2-wire connector.
      Fig 19: Checking Internal Harness (Continuity) (4 Of 6)
      G03244412Courtesy of FORD MOTOR CO.
    • Record the resistance. The resistance should be less than 0.5 ohms.
    • For VPWR, connect the positive lead from an ohmmeter to the tester jack VPWR and the negative lead to the red wire of the 2-wire connector.
      Fig 20: Checking Internal Harness (Continuity) (5 Of 6)
      G03244413Courtesy of FORD MOTOR CO.
    • Record the resistance. The resistance should be less than 0.5 ohms.
    • For VPWR, connect the positive lead from an ohmmeter to the tester jack VPWR and the negative lead to the red wire of the 2-wire connector.
    Fig 21: Checking Internal Harness (Continuity) (6 Of 6)
    G03244414Courtesy of FORD MOTOR CO.
    • Record the resistance. The resistance should be less than 0.5 ohms.
    • Is the resistance for each solenoid less than 0.5 ohms? 

      Yes 

      GO to A11.

      No 

      INSTALL a new internal harness. GO to  A12.

  11. A11 CHECK THE INTERNAL HARNESS (SHORT TO GROUND) 
    • Check for continuity between BAT(-) jack (engine ground) and the appropriate wire at each solenoid with an ohmmeter or other low current tester (less than 200 milliamps).
      Solenoid Connector Wire VPWR
      SSA Orange Red
      SSB Pink Red
      SSC Yellow Red
      Fig 22: Checking Internal Harness (Short To Ground)
      G03244415Courtesy of FORD MOTOR CO.
    • Connection should show infinite resistance (no continuity).
    • Does the connection show continuity? 

      Yes 

      INSTALL a new internal harness.

      GO to A12.

      No 

      GO to A12

  12. A12 CHECK THE SOLENOID RESISTANCE AT THE SOLENOID 
    • For SSA, connect the ohmmeter to the negative terminal of the solenoid and to the positive terminal of the solenoid.
    Fig 23: Checking Solenoid Resistance At Solenoid (1 Of 3)
    G03244416Courtesy of FORD MOTOR CO.
    • Record the resistance. The resistance should be between 15 and 30 ohms.
    • For SSB, connect the ohmmeter to the negative terminal of the solenoid and to the positive terminal of the solenoid.
      Fig 24: Checking Solenoid Resistance At Solenoid (2 Of 3)
      G03244417Courtesy of FORD MOTOR CO.
    • Record the resistance. The resistance should be between 15 and 30 ohms.
    • For SSC, connect the ohmmeter to the negative terminal of the solenoid assembly and to the positive terminal of the solenoid.
      Fig 25: Checking Solenoid Resistance At Solenoid (3 Of 3)
      G03244418Courtesy of FORD MOTOR CO.
    • Record the resistance. The resistance should be between 15 and 30 ohms.
    • Is the resistance for each solenoid between 15 and 30 ohms? 

      Yes 

      GO to A13.

      No 

      INSTALL a new solenoid assembly.

  13. A13 CHECK THE SOLENOID FOR SHORT TO GROUND 
    • Check for continuity between (engine ground) and the appropriate shift solenoid terminal with an ohmmeter or other low current tester (less than 200 milliamps).
      Solenoid Terminal
      SSA +/-
      SSB +/-
      SSC +/-
    Fig 26: Checking Solenoid For Short To Ground
    G03244419Courtesy of FORD MOTOR CO.
    • Connection should show infinite resistance (no continuity).
    • Does the connection show continuity? 

      Yes 

      INSTALL a new solenoid assembly.

      No 

      Refer to DIAGNOSIS BY SYMPTOM .

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