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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1767 (Automatic Transaxle/Transmission - FNR5) >> Diagnosis And Testing >> Pinpoint Tests - OSC Equipped Vehicle >> Pinpoint Tests >> Pinpoint Test E: Electronic Pressure Control Solenoid (PCB)

Pinpoint Test E: Electronic Pressure Control Solenoid (PCB)

WARNING: This page is about a different car, the 2006 Mercury Milan and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to Figure .
NOTE: Read and record all DTCs. All TR sensor and OSS DTCs must be repaired before entering Output State Control (OSC).
  1. E1 ELECTRONIC DIAGNOSTICS SETUP 
    • Key in OFF position.
    • Select PARK.
    • Check to make sure the transaxle harness connector is fully seated, terminals are fully engaged in the connector and in good condition before proceeding.
    • Install 300 psi pressure gauge into line tap.
    • Connect the scan tool.
    • Key in START position.
    • Enter the following diagnostic mode on the scan tool: Diagnostic Data Link.
    • Enter the following diagnostic mode on the scan tool: TCM.
    • 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 the vehicle enter the Trans-Bench Mode? 

    Yes  : REMAIN in Trans-Bench Mode. GO to E2.

    No  : REPEAT procedure to ENTER Trans-Bench Mode. If vehicle did not enter OSC, REFER to INTRODUCTION - GASOLINE article for diagnosis of TCM.

  2. E2 SOLENOID FUNCTIONAL TEST 
    • Monitor pressure gauge.
    • Enter the following diagnostic mode on the scan tool: Parameter; PCB.
    • Select PCB
    • Increase engine speed above 1,500 rpm.
    • Select value: 50, 70, 90, 110, 130 or 150 psi.
    • Press "SEND".
    • Select another value "50-150 psi".
    • Press "SEND".
    • Enter the following diagnostic mode on the scan tool: XXX.
    • Press "SEND".
    • Does the pressure reading match the commanded pressure? 

    Yes  : CLEAR DTCs. TEST the system for normal operation.

    No  : GO to E3.

  3. E3 CHECK VEHICLE HARNESS AND TRANSMISSION CONTROL MODULE FOR A SHORT TO POWER 
    • Key in OFF position.
    • Disconnect: Transaxle Connector C1535.
    • Visually inspect all wires and connectors for damage.
    • Key in ON position.
    • Measure the voltage between transaxle connector C1535-2, harness side and ground.
      Fig 1: Checking Vehicle Harness And Transmission Control Module For Short To Power
      G04681743Courtesy of FORD MOTOR CO.
    • Is voltage present? 

    Yes  : GO to E4.

    No  : GO to  E5.

  4. E4 CHECK VEHICLE HARNESS FOR A SHORT TO POWER 
    • Key in OFF position.
    • Disconnect: TCM Connector C2352a.
    • Key in ON position.
    • Measure the voltage between transaxle vehicle harness connector pin 7, harness side and ground; and between transaxle vehicle harness connector pin 2, harness side and ground.
      Fig 2: Checking Vehicle Harness For Short To Power
      G04681744Courtesy of FORD MOTOR CO.
    • Is voltage present? 

    Yes  : REPAIR the circuit. TEST the system for normal operation.

    No  : INSTALL a new TCM. TEST the system for normal operation.

  5. E5 CHECK ELECTRICAL SIGNAL 
    • Measure the voltage between transaxle connector C1535-2, harness side and ground.
    • Activate solenoids (ON and OFF) while monitoring the voltage reading.
    • Enter the following diagnostic mode on the scan tool: Trans-Bench Mode.
    • Enter the following diagnostic mode on the scan tool: Parameter; PCB.
    • Select a value "50-150 psi".
    • Press "SEND".
    • Select another value "50-150 psi".
    • Press "SEND".
    • Enter the following diagnostic mode on the scan tool: XXX.
    • Press "SEND".
      Fig 3: Checking Electrical Signal
      G04681745Courtesy of FORD MOTOR CO.
    • Does the voltage change? 

    Yes  : GO to E6.

    No  : CHECK for open or short circuit in harness or TCM.

  6. E6 CHECK THE TRANSAXLE INTERNAL HARNESS FOR A SHORT TO GROUND 
    • Key in OFF position.
    • Disconnect: PCB Solenoid Electrical Connector.
    • Measure the resistance between transaxle connector C1535-2 (component side, transaxle internal harness), and ground.
      Fig 4: Checking Transaxle Internal Harness For Short To Ground
      G04681746Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 

    Yes  : GO to E7.

    No  : INSTALL a new transaxle internal harness. TEST the system for normal operation.

  7. E7 CHECK THE TRANSAXLE INTERNAL HARNESS FOR AN OPEN 
    • Measure the resistance between transaxle connector C1535b-2 (component side, transaxle internal harness), and PCB internal harness connector pin 2; and between ground and PCB internal harness connector pin 3.
      Fig 5: Checking Transaxle Internal Harness For Open
      G04681747Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 

    Yes  : GO to E8.

    No  : INSTALL a new transaxle internal harness. TEST the system for normal operation.

  8. E8 CHECK SOLENOID RESISTANCE AT SOLENOID 
    • Key in OFF position.
    • Measure and record the resistance between PCB solenoid pins.
    • Is the resistance between 2.4 and 7.3 ohms? 

    Yes  : GO to E9.

    No  : INSTALL a new PCB solenoid. TEST the system for normal operation.

  9. E9 CHECK SOLENOID FOR A SHORT TO GROUND 
    • Measure and record the resistance between the PCB solenoid and the solenoid body.
    • Is the resistance greater than 10,000 ohms? 

    Yes  : REFER to DIAGNOSIS BY SYMPTOM  for diagnosis of pressure concerns. TEST the system for normal operation.

    No  : INSTALL a new PCB solenoid. TEST the system for normal operation.

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