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PINPOINT TEST J: Pressure Control Solenoid A (PCA) SOLENOID

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: This test should only be used if DTCs P0748, P0960, P0962 or P0963 are present.
NOTE: Refer to the Transmission Vehicle Harness Connector illustration preceding these pinpoint tests.
NOTE: Refer to the Transmission Internal Harness Connector illustration preceding these pinpoint tests.
  1. J1 CHECK TRANSMISSION VEHICLE HARNESS FOR CONTINUITY 
    • Key in OFF position.
    • Disconnect: PCM C1381T
    • Disconnect: Transmission vehicle harness C1385
    • Check to make sure the transmission vehicle harness C1385 is fully seated, terminals are fully engaged in the connector and are in good condition before proceeding.
      • Fig 1: Checking Transmission Vehicle Harness For Continuity
      GF0044760Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C175T and C1385 using the following chart.
      Transmission Connector Circuit PCM
      C1385-10 480 (VT/YE) C1381T-2
      C1385-7 391 (RD/YE) C1381T-7
    • Is each resistance less than 5.0 ohms? 
    1. YES  : Go to  J2.
    2. NO  : REPAIR the open circuit. CLEAR the DTCs. TEST the system for normal operation.
  2. J2 CHECK TRANSMISSION VEHICLE HARNESS FOR SHORT TO GROUND 
      Fig 2: Checking Transmission Vehicle Harness For Short To Ground
      GF0044761Courtesy of FORD MOTOR CO.
    • Measure the resistance between PCM C1381T, harness side and ground using the following chart.
      PCM Circuit Ground
      C1381T-2 480 (VT/YE) Ground
      C1381T-7 391 (RD/YE) Ground
    • Is each resistance greater than 10,000 ohms? 
    1. YES  : Go to  J3.
    2. NO  : REPAIR short circuit. CLEAR the DTCs. TEST the system for normal operation.
  3. J3 CHECK THE TRANSMISSION INTERNAL HARNESS FOR AN OPEN 
    • Drain the transmission fluid.
    • Remove the transmission fluid pan.
    • Disconnect: Pressure Control Solenoid A (PCA)
      • Fig 3: Checking Transmission Internal Harness For An Open
      GF0044755Courtesy of FORD MOTOR CO.
    • Measure the resistance between transmission internal harness C1385 and the PCA solenoid using the following chart.
      Transmission Connector Circuit PCA Solenoid
      C1385-10 Signal 2
      C1385-7 Power 1
    • Are the resistances less than 0.5 ohm? 
    1. YES  : Go to  J4.
    2. NO  : INSTALL a new transmission harness. CLEAR the DTCs. TEST the system for normal operation.
  4. J4 CHECK THE TRANSMISSION INTERNAL HARNESS FOR A SHORT TO GROUND 
      Fig 4: Checking Transmission Internal Harness For A Short To Ground
      GF0044756Courtesy of FORD MOTOR CO.
    • Measure the resistance between transmission internal harness C1385 and ground using the following chart.
      Transmission Connector Circuit Ground
      C1385-10 Signal Ground
      C1385-7 Power Ground
    • Is the resistance greater than 10,000 ohms? 
    1. YES  : Go to  J5.
    2. NO  : INSTALL a new transmission harness. CLEAR the DTCs. TEST the system for normal operation.
  5. J5 CHECK THE PCA RESISTANCE 
      Fig 5: Checking PCA Resistance
      GF0044757Courtesy of FORD MOTOR CO.
    • Measure the resistance between pins 1 and 2 at the PCA.
    • Is the resistance between   4.88-5.48 ohms   ? 
    1. YES  : INSTALL a new PCM.
    2. NO  : INSTALL a new PCA. CLEAR the DTCs. TEST the system for normal operation.
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