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Home >> Ford >> 2017 >> Transit Connect XL, Van Cargo >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Pinpoint Test HC: Fuel Delivery System Through Pinpoint Test JE: Integrated Ignition Coil Pack - (Except Diesel & Hybrid) >> Pinpoint Test HN: Turbocharger System >> Test Procedure

Test Procedure

  1. HN1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) 
    NOTE: This pinpoint test is designed to diagnose multiple components in the same test steps, only measure the circuits that apply to the vehicle and component being diagnosed.
    NOTE: Diagnose and repair all circuit DTCs before diagnosing DTCs P0234 or P0299.
    NOTE: Diagnose and repair all circuit DTCs before diagnosing any range or performance DTCs.

    Are DTCs P0034, P0035, P00C1, P00C2, P0234, P0243, P0244, P0245, P0246, P0247, P0248, P0249, P0250, P0299, P100F, P1011, P1012, P1013, P1014, P1015, P1016, P25B3, P25B4, P25B5, P25B6, P2AB7, P2AB8, P2AB9, P2ABA, P2ABB, P2ABC, P2ABD, or P2ABE present? 

    Yes No
    For DTCs P0034, P0035, P00C1, P00C2, P0234, P0245, P0246, P0299, P100F, P1011, P1012, P1013, P1014, P1015 or P1016, GO to  HN2.
    For all others, GO to  HN29.    		 For F-150 3.5L GTDI symptoms without DTCs, GO to  HN37.
    For all other symptoms without DTCs, GO to  HN12.
    For all others, RETURN to SYMPTOM CHARTS for further direction.
  2. HN2 VISUALLY INSPECT THE TURBOCHARGER SYSTEM 
    • Visually inspect the turbocharger system for:
      • correct vacuum supply system hose connections and routing
      • correct vacuum turbocharger wastegate control hose connection and routing
      • correct pressure turbocharger wastegate control hose connection and routing
      • correct vacuum turbocharger bypass control hose connection and routing
      • leaks around tubing and intake manifold
      • correct electrical connections
      • damaged or leaking exhaust system
      • turbocharger oil leaks. Refer to the Service Information, Fuel Charging and Controls - Turbocharger.
      • damaged or restricted turbocharger oil return tubes. Refer to the Service Information, Fuel Charging and Controls - Turbocharger.
      • damaged turbocharger. Refer to the Service Information, Fuel Charging and Controls - Turbocharger.
      • turbocharger wastegate linkage damaged or disconnected
      • turbocharger wastegate linkage retainer damaged or disconnected
      Yes No
      REPAIR as necessary.
      Clear the PCM DTCs. REPEAT the self-test.      		 For DTC P100F, GO to  HN3.
      For DTCs P1011, P1012, P1013, P1014, P1015 or P1016, GO to  HN4.
      For all others, GO to  HN5.
    • HN3 SENSOR CORRELATION 
      • Ignition ON, engine OFF.
      • Access the PCM and monitor the BARO (PRESS), MAP (PRESS), TCBP (PRESS) and WGATE_PRES (PRESS) PIDs.

      Is the WGATE_PRES PID reading within 6.77 kPa (0.98 psi) of the other PID readings? 

      Yes No
      GO to  HN5. CHECK the turbocharger wastegate vacuum system hoses for restrictions. REPAIR as necessary.
      If no concerns are present, INSTALL a new Wastegate Vacuum Sensor.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN4 CHECK FOR VREF AT THE SENSOR 
      • Ignition OFF.
      • Wastegate Vacuum Sensor connector disconnected.
      • Ignition ON, engine OFF.
      • Measure the voltage between:
      (+) Wastegate Vacuum Sensor Connector, Harness Side (-) Wastegate Vacuum Sensor Connector, Harness Side
      VREF - Pin 1 SIGRTN

      Is the voltage between 4.5 - 5.5 V? 

      Yes No
      GO to  HN6. GO to PINPOINT TESTS C .
    • HN5 CHECK FOR VOLTAGE AT THE COMPONENT 
      NOTE: This step applies to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.
      • Ignition OFF.
      • For the TCBY valve,
      • TCBY Valve connector disconnected.
      • Ignition ON, engine OFF.
      • Measure the voltage between:
      (+) TCBY Valve Connector, Harness Side (-)
      VPWR Ground
      • For the TCBY2 valve,
      • TCBY2 Valve connector disconnected.
      • Ignition ON, engine OFF.
      • Measure the voltage between:
      (+) TCBY2 Valve Connector, Harness Side (-)
      VPWR - Pin 1 Ground
      • For the turbocharger wastegate regulating valve bank 1, solenoid 1,
      • Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 connector disconnected.
      • Ignition ON, engine OFF.
      • Measure the voltage between:
      (+) Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector, Harness Side (-)
      VPWR Ground
      • For the turbocharger wastegate regulating valve bank 2, solenoid 1,
      • Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 connector disconnected.
      • Ignition ON, engine OFF.
      • Measure the voltage between:
      (+) Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector, Harness Side (-)
      VPWR - Pin 2 Ground

      Is the voltage greater than 10.5 V? 

      Yes No
      GO to  HN6. REPAIR the open circuit. Clear the PCM DTCs.
      REPEAT the self-test.
    • HN6 CHECK FOR AN OPEN 
      NOTE: This step applies to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.
      • Ignition OFF.
      • PCM connector disconnected.
      • For the TCBY valve,
      • Measure the resistance between:
      (+) TCBY Valve Connector, Harness Side (-) PCM Connector, Harness Side
      TCBY TCBY
      • For the TCBY2 valve,
      • Measure the resistance between:
      (+) TCBY2 Valve Connector, Harness Side (-) PCM Connector, Harness Side
      TCBY2 - Pin 2 TCBY2
      • For the turbocharger wastegate regulating valve bank 1, solenoid 1,
      • Measure the resistance between:
      (+) Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector, Harness Side (-) PCM Connector, Harness Side
      TCWRVS11 TCWRVS11
      • For the turbocharger wastegate regulating valve bank 2 solenoid 1,
      • Measure the resistance between:
      (+) Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector, Harness Side (-) PCM Connector, Harness Side
      TCWRVS21 - Pin 1 TCWRVS21
      • For the wastegate vacuum sensor,
      • Measure the resistance between:
      (+) Wastegate Vacuum Sensor Connector, Harness Side (-) PCM Connector, Harness Side
      WVS - Pin 3 WVS
      SIGRTN - Pin 2 SIGRTN

      Are the resistances less than 5 ohms? 

      Yes No
      GO to  HN7. REPAIR the open circuit. Clear the PCM DTCs.
      REPEAT the self-test.
    • HN7 CHECK FOR A SHORT TO GROUND 
      NOTE: This step applies to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.
      • Ignition OFF.
      • For the TCBY valve,
      • Measure the resistance between:
      (+) TCBY Valve Connector, Harness Side (-)
      TCBY Ground
      • For the TCBY2 valve,
      • Measure the resistance between:
      (+) TCBY2 Valve Connector, Harness Side (-)
      TCBY2 - Pin 2 Ground
      • For the turbocharger wastegate regulating valve bank 1 solenoid 1,
      • Measure the resistance between:
      (+) Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector, Harness Side (-)
      TCWRVS11 Ground
      • For the turbocharger wastegate regulating valve bank 2 solenoid 1,
      • Measure the resistance between:
      (+) Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector, Harness Side (-)
      TCWRVS21 - Pin 1 Ground
      • For the wastegate vacuum sensor,
      • Measure the resistance between:
      (+) Wastegate Vacuum Sensor Connector, Harness Side (-)
      WVS - Pin 3 Ground

      Is the resistance greater than 10K ohms? 

      Yes No
      GO to  HN8. REPAIR the short circuit. Clear the PCM DTCs.
      REPEAT the self-test.
    • HN8 CHECK FOR A SHORT TO VOLTAGE 
      NOTE: This step applies to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.
      • Ignition ON, engine OFF.
      • For the TCBY valve,
      • Measure the voltage between:
      (+) TCBY Valve Connector, Harness Side (-)
      TCBY Ground
      • For the TCBY2 valve,
      • Measure the voltage between:
      (+) TCBY2 Valve Connector, Harness Side (-)
      TCBY2 - Pin 2 Ground
      • For the turbocharger wastegate regulating valve bank 1 solenoid 1,
      • Measure the voltage between:
      (+) Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector, Harness Side (-)
      TCWRVS11 Ground
      • For the turbocharger wastegate regulating valve bank 2 solenoid 1,
      • Measure the voltage between:
      (+) Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector, Harness Side (-)
      TCWRVS21 - Pin 1 Ground
      • For the wastegate vacuum sensor,
      • Measure the voltage between:
      (+) Wastegate Vacuum Sensor Connector, Harness Side (-)
      WVS - Pin 3 Ground

      Is any voltage present? 

      Yes No
      REPAIR the short circuit. Clear the PCM DTCs.
      REPEAT the self-test.      		 For DTCs P1011, P1012, P1013 or P1014, GO to  HN10.
      For all others, GO to  HN9.
    • HN9 CHECK THE COMPONENT RESISTANCE 
      NOTE: This step applies to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.
      • Ignition OFF.
      • For the TCBY valve,
      • Measure the resistance between:
      (+) TCBY Valve Connector, Component Side (-) TCBY Valve Connector, Component Side
      TCBY VPWR
      • or the TCBY2 valve,
      • Measure the resistance between:
      (+) TCBY2 Valve Connector, Component Side (-) TCBY2 Valve Connector, Component Side
      TCBY2 - Pin 2 VPWR - Pin 1
      • For the turbocharger wastegate regulating valve bank 1 solenoid 1,
      • Measure the resistance between:
      (+) Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector, Component Side (-) Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector, Component Side
      TCWRVS11 VPWR
      • For the turbocharger wastegate regulating valve bank 2 solenoid 1,
      • Measure the resistance between:
      (+) Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector, Component Side (-) Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector, Component Side
      TCWRVS21 - Pin 1 VPWR - Pin 2

      Are the resistances between 5 - 60 ohms? 

      Yes No
      GO to  HN10. INSTALL a new component. REFER to the Service Information, Electronic Engine Controls.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN10 CHECK THE WIRING HARNESS 
      NOTE: This step applies to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.
      • Ignition OFF.
      • PCM connector connected.
      • For the TCBY valve,
      • TCBY Valve connector connected.
      • Ignition ON, engine OFF.
      • Access the PCM and monitor the TURBO_BP1_STAT (MODE) PID.
      • For the TCBY2 valve,
      • TCBY2 Valve connector connected.
      • Ignition ON, engine OFF.
      • Access the PCM and monitor the TURBO_BP2_STAT (MODE) PID.
      • For the turbocharger wastegate regulating valve bank 1 solenoid 1,
      • Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 connector connected.
      • For the turbocharger wastegate regulating valve bank 2 solenoid 1,
      • Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 connector connected.
      • Ignition ON, engine OFF.
      • Access the PCM and monitor the TWGATE_STAT (MODE) PID.
      • For the wastegate vacuum sensor,
      • Wastegate Vacuum Sensor connector connected.
      • Ignition ON, engine OFF.
      • Access the PCM and monitor the WGATE_PRES_F (MODE) PID.
      • For the F-150 3.5L wastegate,
      • Ignition ON, engine OFF.
      • Access the PCM and monitor the WGATE_A_POS_PCT (PER) and WGATE_B_POS_PCT (PER) PIDs.
      • While observing the PID, wiggle, shake, and bend small sections of the wiring harness while working from the component to the PCM.

      Is there a change in the PID reading? 

      Yes No
      ISOLATE the concern. REPAIR as necessary.
      Clear the PCM DTCs. REPEAT the self-test.      		 GO to  HN11.
    • HN11 INTERMITTENT CHECK 
      NOTE: This step applies to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.
      • For the TCBY,
      • Access the PCM and monitor the TURBO_BP1_STAT (MODE) PID.
      • For the TCBY2,
      • Access the PCM and monitor the TURBO_BP2_STAT (MODE) PID.
      • For the turbocharger wastegate regulating valve solenoids,
      • Access the PCM and monitor the TWGATE_STAT (MODE) PID.
      • For the wastegate vacuum sensor,
      • Access the PCM and monitor the WGATE_PRES_F (MODE) PID.
      • For the F-150 3.5L wastegate,
      • Access the PCM and monitor the WGATE_A_POS_PCT (PER) and WGATE_B_POS_PCT (PER) PIDs.
      • While observing the PID, carry out the following:
      • lightly tap on the suspect component to simulate road shock
      • wiggle the suspect component connector

      Is there a change in the PID reading? 

      Yes No
      INSTALL a new component in question. REFER to the Service Information, Electronic Engine Controls. For DTCs P1011, P1012, P1013, P1014, P1015 or P1016, GO to  HN27.
      Clear the PCM DTCs. REPEAT the self-test. For all others, GO to  HN12.
    • HN12 TURBOCHARGER SYSTEM PERFORMANCE CONCERNS 
      NOTE: For a performance concern related to a plugged or restricted exhaust, GO to  HF8.
      NOTE: Diagnose circuit concerns prior to range or performance concerns.
      NOTE: Visually inspect the vehicle for aftermarket accessories and performance modifications (exhaust system, turbocharger, performance chip). Refer to ENGINE CONTROL (EC) SYSTEM , Modifications to OBD Vehicles.
      • Ignition OFF.
      • Check the air filter element and housing for contamination, restrictions or water intrusion.
      • Disconnect the air intake and check for restrictions or water intrusion.
      • Visually inspect the turbocharger system for:
        • correct vacuum supply system hose connections and routing
        • correct vacuum turbocharger wastegate control hose connection and routing
        • correct pressure turbocharger wastegate control hose connection and routing
        • correct vacuum turbocharger bypass control hose connection and routing
        • leaks around the tubing and the intake manifold
        • correct electrical connections
        • damaged or leaking exhaust system
        • turbocharger oil leaks. Refer to the Service Information, Fuel Charging and Controls - Turbocharger.
        • damaged or restricted turbocharger oil return tubes. Refer to the Service Information, Fuel Charging and Controls - Turbocharger.
        • damaged turbocharger. Refer to the Service Information, Fuel Charging and Controls - Turbocharger.
      • Check the charge air cooler (CAC) system for leaks (hoses and cooler).
      • Check the CAC and intake air system for restrictions.
      • Check for aftermarket exhaust accessories and performance modifications.
      • Visually inspect the exhaust system for the following:
      • leaks, cracks, or punctures upstream of the turbocharger
      • aftermarket accessories and performance modifications
      • tailpipe modifications that increase the exhaust restriction
      • restricted exhaust

      Is a concern present? 

      Yes No
      REPAIR as necessary.
      Clear the PCM DTCs. REPEAT the self-test.      		 GO to  HN13.
    • HN13 CHECK THE CHARGE AIR COOLER (CAC) AND INTAKE AIR SYSTEMS FOR LEAKS AND RESTRICTIONS 
      NOTE: Remember to reinstall the sensor, reconnect the CAC tube to the throttle body and remove the plastic bag from the air filter at the completion of this step.
      • Disconnect the CAC tube from the throttle body.
      • Use a suitable method to temporarily plug the CAC tube outlet.
      • Place the air filter in a plastic bag to prevent air flow out the intake port and reinstall it in the vehicle.
      • Remove the IAT sensor from the ducting between the air filter housing and the turbocharger.
      • Connect the Rotunda Smoke Machine, Fuel Evaporative Emission System Tester 218-00001 (522) or equivalent to the intake air system using an appropriate adapter.
      • Fill the intake air system with smoke.
      • Check the intake air system for leaks and restrictions.

      Are any leaks or restrictions present? 

      Yes No
      REPAIR as necessary.
      Clear the PCM DTCs. REPEAT the self-test.      		 GO to  HN14.
    • HN14 CHECK BYPASS VALVE OPERATION 
      NOTE: For vehicles without the RPM command PID, use the accelerator pedal to hold the engine RPM at approximately 2, 000 RPM.
      NOTE: The TCBP PID value may decrease by 0.97 KPa (0.14 psi) or less when the TCBY valve is commanded ON.
      • Ignition ON, engine running.
      • Access the PCM and control the TURBO_BPASS (MODE) PID.
      • Access the PCM and control the TURBO_BPASS_2 (MODE) PID.
      • Command the TURBO_BPASS PID and the TURBO_BPASS_2 PID to OFF.
      • For F-150 3.5L,
      • Access the PCM and monitor the WGATE_A_POS_PCT (PER) and WGATE_B_POS_PCT (PER) PIDs.
      • For all others,
      • Access the PCM and control the TURBO_WGATE (PER) PID.
      • Command the TURBO_WGATE PID duty cycle to 100% (Continental, Edge, Escape/Kuga 2.0L, Explorer 2.3L, F-150 2.7L, Fusion 2.0L, Fusion 2.7L, MKC 2.0L, MKX, MKZ) or 0% (all others).
      • Access the PCM and monitor the TCBP (PRESS) PID.
      • Access the PCM and control the RPMDSD (RPM) PID.
      • Command the RPM PID to the maximum RPM.
      • Record the TCBP PID reading.
      • Command the TURBO_BPASS and the TURBO_BPASS_2 PIDs ON and record the TCBP PID reading.

      Does the TCBP PID reading decrease when the bypass valves are commanded ON? 

      Yes No
      For Fiesta 1.0L,
      For F-150 3.5L, GO to  HN29.
      For all others, GO to  HN15.      		 Focus,
      Fusion 2.0L,
      MKC 2.3L,
      MKT 2.0L,
      MKZ 2.0L, and
      Taurus 2.0L, GO to  HN19.
      For all others, INSTALL a new TCBY solenoid.
      REFER to the Service Information, Electronic Engine Controls.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN15 CHECK WASTEGATE OPERATION 
      NOTE: For vehicles without the RPM command PID, use the accelerator pedal to hold the engine RPM at approximately 2, 000 RPM.
      • Ignition ON, engine running.
      • Access the PCM and control the TURBO_BPASS (MODE) PID.
      • Access the PCM and control the TURBO_BPASS_2 (MODE) PID.
      • Command the TURBO_BPASS PID and the TURBO_BPASS_2 PID to OFF.
      • Access the PCM and control the TURBO_WGATE (PER) PID.
      • Command the TURBO_WGATE PID duty cycle to 100% (Continental, Edge, Escape/Kuga 2.0L, Explorer 2.3L, F-150 2.7L, Fusion 2.0L, Fusion 2.7L, MKC 2.0L, MKX, MKZ) or 0% (all others).
      • Access the PCM and monitor the TCBP (PRESS) PID.
      • Access the PCM and control the RPMDSD (RPM) PID.
      • Command the RPM PID to the maximum RPM.
      • Record the TCBP PID reading.
      • Command the TURBO_WGATE PID duty cycle to 0% (Continental, Edge, Escape/Kuga 2.0L, Explorer 2.3L, F-150 2.7L, Fusion 2.0L, Fusion 2.7L, MKC 2.0L, MKX, MKZ) or 100% (all others) and record the TCBP PID reading.

      Does the TCBP PID reading increase from the initial recorded value? 

      Yes No
      GO to  HN26. For Continental,
      Edge 2.0L,
      Edge 2.7L,
      Escape/Kuga 1.5L,
      Escape/Kuga 2.0L,
      Explorer 2.3L,
      F-150 2.7L,
      Fiesta 1.0L,
      Focus 1.0L,
      Fusion,
      MKC 2.0L,
      MKX 2.0L,
      MKX 2.7L, and
      MKZ, GO to  HN22.
      For all others, GO to  HN16.
    • HN16 CHECK TURBOCHARGER PRESSURE WASTEGATE ACTUATOR OPERATION 
      NOTE: Do not exceed 103.4 kPa (15 psi) of pressure applied to the turbocharger actuators, excessive pressure will damage the actuators.
      • Disconnect the turbocharger wastegate control hose from the turbocharger wastegate actuator.
      • Record each of the turbocharger wastegate actuator linkage positions.
      • Using a suitable hand pump with pressure gauge, pressurize the turbocharger wastegate actuator to 82.7 kPa (12 psi).

      Does each turbocharger wastegate actuator linkage move from the starting position and does the pressure remain steady? 

      Yes No
      GO to  HN17. GO to  HN18.
    • HN17 CHECK PRESSURE SYSTEM TO THE TURBOCHARGER WASTEGATE ACTUATOR 
      NOTE: Do not exceed 103.4 kPa (15 psi) of pressure applied to the turbocharger actuators, excessive pressure will damage the actuators.
      • Disconnect the pressure supply hose from the inlet of the turbocharger wastegate regulating valve solenoid.
      • Disconnect the pressure control hose from the outlet of the turbocharger wastegate regulating valve solenoid.
      • Using a suitable adaptor, connect the pressure supply hose to the pressure control hose.
      • Disconnect the turbocharger wastegate pressure supply hose from the high pressure tube.
      • Using a suitable hand pump with pressure gauge, pressurize the turbocharger wastegate pressure supply hose to 48.3 kPa (7 psi).

      Does each turbocharger wastegate actuator linkage move from the starting position and does the pressure remain steady? 

      Yes No
      INSTALL a new turbocharger wastegate regulating valve solenoid in question. REFER to the Service Information, Fuel Charging and Controls, Turbocharger.
      Clear the PCM DTCs. REPEAT the self-test.      		 A pressure system leak or restriction is the cause of the concern. DIAGNOSE the turbocharger wastegate pressure system leak or restriction.
      REPAIR as necessary.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN18 CHECK THE TURBOCHARGER WASTEGATE ACTUATOR LINKAGE FOR DAMAGE OR OBSTRUCTIONS 
      • Attempt to manually activate the suspect actuator.

      Can the suspect actuator be activated manually? 

      Yes No
      INSTALL a new turbocharger wastegate actuator. REFER to the Service Information, Fuel Charging and Controls.
      Clear the PCM DTCs. REPEAT the self-test.      		 Visually inspect the suspect turbocharger wastegate actuator linkage for damage or obstructions. Repair as necessary.
      If no turbocharger wastegate actuator linkage concerns are present, INSTALL a new turbocharger assembly. Refer to the Service Information, Fuel Charging and Controls.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN19 CHECK THE TURBOCHARGER BYPASS VALVE SOURCE VACUUM 
      • Disconnect the vacuum supply tube from the vacuum pump.
      • Using the DSL ENG Pressure Test Kit 014-00761 or equivalent, measure the vacuum at the vacuum pump.
      • Ignition ON, engine running.
      • Record the vacuum.

      Is the vacuum greater than 33.86 kPa (10 in-Hg)? 

      Yes No
      GO to  HN20. DIAGNOSE a loss of vacuum. REFER to the Service Information, Brake System.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN20 CHECK THE BYPASS VALVE 
      • Disconnect the vacuum control tube from the TCBY valve.
      • Using the DSL ENG Pressure Test Kit 014-00761 or equivalent, apply 33.86 kPa (10 in-hg) of vacuum to the TCBY valve.

      Does the vacuum remain steady? 

      Yes No
      GO to  HN21. INSTALL a new TCBY valve.
      REFER to the Service Information, Fuel Charging and Controls, Turbocharger.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN21 CHECK THE VACUUM SYSTEM 
      • Disconnect the vacuum supply tube from the inlet of the TCBY solenoid.
      • Disconnect the vacuum control tube from the outlet of the TCBY solenoid.
      • Using a suitable adaptor, connect the vacuum supply tube to the vacuum control tube.
      • Disconnect the vacuum supply tube from the vacuum pump.
      • Using the DSL ENG Pressure Test Kit 014-00761 or equivalent, apply 33.86 kPa (10 in-hg) of vacuum to the vacuum supply tube.

      Does the vacuum remain steady? 

      Yes No
      INSTALL a new TCBY solenoid.
      REFER to the Service Information, Fuel Charging and Controls, Turbocharger.
      Clear the PCM DTCs. REPEAT the self-test.      		 A vacuum system leak or restriction is the cause of the concern. DIAGNOSE the vacuum system
      leak or restriction. REPAIR as necessary.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN22 CHECK THE TURBOCHARGER WASTEGATE SOURCE VACUUM 
      • Disconnect the vacuum supply tube from the vacuum pump.
      • Using the DSL ENG Pressure Test Kit 014-00761 or equivalent, measure the vacuum at the vacuum pump.
      • Ignition ON, engine running.
      • Record the vacuum.

      Is the vacuum greater than 33.86 kPa (10 in-Hg)? 

      Yes No
      GO to  HN23. DIAGNOSE a loss of vacuum. REFER to the Service Information, Brake System.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN23 CHECK TURBOCHARGER VACUUM WASTEGATE ACTUATOR OPERATION 
      • Disconnect the turbocharger wastegate control hose from the turbocharger wastegate actuator.
      • Record each of the turbocharger wastegate actuator linkage positions.
      • Using the DSL ENG Pressure Test Kit 014-00761 or equivalent, apply 56.4 kPa (16.65 in-hg) (Explorer 2.3L GTDI) or 33.86 kPa (10 in-hg) (all others) of vacuum to the turbocharger wastegate actuator.

      Does each turbocharger wastegate actuator linkage move from the starting position and does the pressure remain steady? 

      Yes No
      GO to  HN24. GO to  HN25.
    • HN24 CHECK THE VACUUM SUPPLY HOSE FROM THE VACUUM PUMP TO THE TURBOCHARGER WASTEGATE ACTUATOR 
      • For the turbocharger wastegate regulating valve bank 1 solenoid 1,
      • Disconnect the vacuum supply hose from the inlet of the turbocharger wastegate regulating valve solenoid.
      • Disconnect the vacuum control hose from the outlet of the turbocharger wastegate regulating valve solenoid.
      • Using a suitable adaptor, connect the vacuum supply hose to the vacuum control hose.
      • Disconnect the turbocharger wastegate vacuum supply hose from the vacuum pump.
      • Using the DSL ENG Pressure Test Kit 014-00761 or equivalent, apply 56.4 kPa (16.65 in-hg) (Explorer 2.3L GTDI) or 33.86 kPa (10 in-hg) (all others) of vacuum to the vacuum supply hose.
      • For the turbocharger wastegate regulating valve bank 2 solenoid 1,
      • Disconnect the vacuum supply hose from the inlet of the turbocharger wastegate regulating valve solenoid.
      • Disconnect the vacuum control hose from the outlet of the turbocharger wastegate regulating valve solenoid.
      • Using a suitable adaptor, connect the vacuum supply hose to the vacuum control hose.
      • Disconnect the turbocharger wastegate vacuum supply hose from the vacuum pump.
      • Using the DSL ENG Pressure Test Kit 014-00761 or equivalent, apply 33.86 kPa (10 in-hg) of vacuum to the vacuum supply hose.

      Does each turbocharger wastegate actuator linkage move from the starting position and does the vacuum remain steady? 

      Yes No
      INSTALL a new turbocharger wastegate regulating valve solenoid in question. REFER to the Service Information, Fuel Charging and Controls, Turbocharger.
      Clear the PCM DTCs. REPEAT the self-test.      		 A vacuum system leak or restriction is the cause of the concern. DIAGNOSE the turbocharger wastegate vacuum system leak or restriction.
      REPAIR as necessary.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN25 CHECK THE TURBOCHARGER WASTEGATE ACTUATOR LINKAGE FOR DAMAGE OR OBSTRUCTIONS 
      • Attempt to manually activate the suspect actuator.

      Can the suspect actuator be activated manually? 

      Yes No
      INSTALL a new turbocharger wastegate actuator. REFER to the Service Information, Fuel Charging and Controls, Turbocharger.
      Clear the PCM DTCs. REPEAT the self-test.      		 Visually inspect the suspect turbocharger wastegate actuator linkage for damage or obstructions. Repair as necessary.
      If no turbocharger wastegate actuator linkage concerns are present, INSTALL a new turbocharger assembly. REFER to the Service Information, Fuel Charging and Controls, Turbocharger.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN26 TURBOCHARGER COMPRESSOR WHEEL CHECK 
      • Inspect the turbocharger compressor wheel and housing for the following:
      • ability to spin freely
      • noise while spinning
      • damage to vanes on the compressor wheel
      • out of balance condition
      • debris in housing

      Is a concern present? 

      Yes No
      INSTALL a new turbocharger assembly. REFER to the Service Information, Fuel Charging and Controls, Turbocharger.
      Clear the PCM DTCs. REPEAT the self-test.      		 GO to  HN28.
    • HN27 CHECK THE WASTEGATE VACUUM SENSOR 
      NOTE: A vacuum system leak may be internal or external to the vacuum system. Make sure to diagnose the entire vacuum system if a leak or restriction is the cause of the concern.
      • Ignition ON, engine OFF.
      • Access the PCM and monitor the WGATE_V (VOLT) PID.
      • Record the PID value.
      • Disconnect the wastegate vacuum tube from the vacuum port on the turbocharger wastegate vacuum sensor.
      • Using a suitable hand pump with gauge, apply 34.47 kPa (5 in-Hg) vacuum to the wastegate vacuum sensor port.
      • Record the PID value.

      Does the PID value change when vacuum is applied? 

      Yes No
      A vacuum system leak or restriction is the cause of the concern. DIAGNOSE the vacuum system leak or restriction. REPAIR as necessary.
      Clear the PCM DTCs. REPEAT the self-test.      		 INSTALL a new Wastegate Vacuum Sensor. REFER to the Service Information, Electronic Engine Controls.
      Clear the PCM DTCs. REPEAT the self-test.
    • HN28 CHECK FOR CORRECT SYSTEM OPERATION 
      • Disconnect all the PCM connectors.
      • Visually inspect for:
        • pushed out pins
        • corrosion
      • Connect all the PCM connectors and make sure they seat correctly.
      • Carry out the PCM self-test.
      • Verify the concern is still present.

      Is the concern still present? 

      Yes No
      INSTALL a new PCM. REFER to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Programming the VID Block for a Replacement PCM. The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
    • HN29 CHECK THE TURBOCHARGER WASTEGATE ACTUATORS 
      NOTE: The turbocharger wastegate motor requires slow constant force to move the turbocharger wastegate linkage.
      • Ignition OFF.
      • Visually inspect the turbocharger wastegate linkage for damage or disconnections.
      • Visually inspect the turbocharger wastegate system for obstructions or linkage restrictions.
      • With constant pressure, slowly push the turbocharger wastegate linkage towards the turbocharger wastegate motor then pull the linkage away from the turbocharger wastegate motor.
      • Check the turbocharger wastegate motor, the wiring harness, and connectors for the following:
      • damaged housing
      • damaged connectors
      • crossed TCWGM circuits
      • pushed out pins
      • corrosion
      • incorrect connections

      Is a concern present? 

      Yes No
      REPAIR as necessary.
      Clear the PCM DTCs. REPEAT the self-test.      		 GO to  HN30.
    • HN30 CHECK THE VREF AND SIGRTN CIRCUITS 
      NOTE: The following steps apply to multiple components, only measure the circuits that apply to the vehicle and component being diagnosed.
      NOTE: In the following measurement note the polarity of the probes.
      • Ignition OFF.
      • Turbocharger Wastegate Motor Bank 1 connector disconnected.
      • Turbocharger Wastegate Motor Bank 2 connector disconnected.
      • Ignition ON, engine OFF.
      • For DTCs P0243, P0244, P25B3, P25B4, P2AB7, P2AB8, P2AB9 or P2ABD,
      • Measure the voltage between:
      (+) Turbocharger Wastegate Motor Bank 1 Connector, Harness Side (-) Turbocharger Wastegate Motor Bank 1 Connector, Harness Side
      VREF - Pin 4 SIGRTN - Pin 3
    • For all others,
    • Measure the voltage between:
    (+) Turbocharger Wastegate Motor Bank 2 Connector, Harness Side (-) Turbocharger Wastegate Motor Bank 2 Connector, Harness Side
    VREF - Pin 4 SIGRTN - Pin 3

    Is the voltage between 4.5 - 5.5 V? 

    Yes No
    GO to  HN31. GO to PINPOINT TESTS C .
  3. HN31 CHECK FOR AN OPEN CIRCUIT 
    • Ignition OFF.
    • PCM connector disconnected.
    • For DTCs P0243, P0244, P25B3, P25B4, P2AB7, P2AB8, P2AB9 or P2ABD,
    • Measure the resistance between:
    (+) Turbocharger Wastegate Motor Bank 1 Connector, Harness Side (-) PCM Connector, Harness Side
    TCWGP1 - Pin 2 TCWGP1
    TCWGM1+ - Pin 1 TCWGM1+
    TCWGM1- - Pin 5 TCWGM1-
    • For all others,
    • Measure the resistance between:
    (+) Turbocharger Wastegate Motor Bank 2 Connector, Harness Side (-) PCM Connector, Harness Side
    TCWGP2 - Pin 2 TCWGP2
    TCWGM2+ - Pin 1 TCWGM2+
    TCWGM2- - Pin 5 TCWGM2-

    Are the resistances less than 5 ohms? 

    Yes No
    GO to  HN32. REPAIR the open circuit. Clear the PCM DTCs.
    REPEAT the self-test.
  4. HN32 CHECK FOR A SHORT TO GROUND 
    • For DTCs P0243, P0244, P25B3, P25B4, P2AB7, P2AB8, P2AB9 or P2ABD,
    • Measure the resistance between:
    (+) Turbocharger Wastegate Motor Bank 1 Connector, Harness Side (-)
    TCWGP1 - Pin 2 Ground
    TCWGM1+ - Pin 1 Ground
    TCWGM1- - Pin 5 Ground
    • For all others,
    • Measure the resistance between:
    (+) Turbocharger Wastegate Motor Bank 2 Connector, Harness Side (-)
    TCWGP2 - Pin 2 Ground
    TCWGM2+ - Pin 1 Ground
    TCWGM2- - Pin 5 Ground

    Are the resistances greater than 10K ohms? 

    Yes No
    GO to  HN33. REPAIR the short circuit. Clear the PCM DTCs.
    REPEAT the self-test.
  5. HN33 CHECK FOR CIRCUITS SHORTED TOGETHER 
    • For DTCs P0243, P0244, P25B3, P25B4, P2AB7, P2AB8, P2AB9 or P2ABD,
    • Measure the resistance between:
    (+) Turbocharger Wastegate Motor Bank 1 Connector, Harness Side (-) Turbocharger Wastegate Motor Bank 1 Connector, Harness Side
    TCWGP1 - Pin 2 VREF - Pin 4
    TCWGP1 - Pin 2 SIGRTN - Pin 3
    TCWGP1 - Pin 2 TCWGM1+ - Pin 1
    TCWGP1 - Pin 2 TCWGM1- - Pin 5
    TCWGM1+ - Pin 1 TCWGM1- - Pin 5
    TCWGM1+ - Pin 1 VREF - Pin 4
    TCWGM1+ - Pin 1 SIGRTN - Pin 3
    TCWGM1- - Pin 5 VREF - Pin 4
    TCWGM1- - Pin 5 SIGRTN - Pin 3
    • For all others,
    • Measure the resistance between:
    (+) Turbocharger Wastegate Motor Bank 2 Connector, Harness Side (-) Turbocharger Wastegate Motor Bank 2 Connector, Harness Side
    TCWGP2 - Pin 2 SIGRTN - Pin 3
    TCWGP2 - Pin 2 VREF - Pin 4
    TCWGP2 - Pin 2 TCWGM2+ - Pin 1
    TCWGP2 - Pin 2 TCWGM2- - Pin 5
    TCWGM2+ - Pin 1 TCWGM2- - Pin 5
    TCWGM2+ - Pin 1 VREF - Pin 4
    TCWGM2+ - Pin 1 SIGRTN - Pin 3
    TCWGM2- - Pin 5 VREF - Pin 4
    TCWGM2- - Pin 5 SIGRTN - Pin 3

    Are the resistances greater than 10K ohms? 

    Yes No
    GO to  HN34. REPAIR the short circuit. Clear the PCM DTCs.
    REPEAT the self-test.
  6. HN34 CHECK FOR A SHORT TO VOLTAGE 
    • Ignition ON, engine OFF.
    • For DTCs P0243, P0244, P25B3, P25B4, P2AB7, P2AB8, P2AB9 or P2ABD,
    • Measure the voltage between:
    (+) Turbocharger Wastegate Motor Bank 1 Connector, Harness Side (-)
    TCWGP1 - Pin 2 Ground
    TCWGM1+ - Pin 1 Ground
    TCWGM1- - Pin 5 Ground
    • For all others,
    • Measure the voltage between:
    (+) Turbocharger Wastegate Motor Bank 2 Connector, Harness Side (-)
    TCWGP2 - Pin 2 Ground
    TCWGM2+ - Pin 1 Ground
    TCWGM2- - Pin 5 Ground

    Is any voltage present? 

    Yes No
    REPAIR the short circuit. Clear the PCM DTCs.
    REPEAT the self-test.    		 GO to  HN35.
  7. HN35 CHECK THE INTERNAL RESISTANCE OF THE TURBOCHARGER WASTEGATE MOTOR 
    • Ignition OFF.
    • For DTCs P0243, P0244, P25B3, P25B4, P2AB7, P2AB8, P2AB9 or P2ABD,
    • Measure the resistance between:
    (+) Turbocharger Wastegate Motor Bank 1 Connector, Component Side (-) Turbocharger Wastegate Motor Bank 1 Connector, Component Side
    TCWGM1+ - Pin 1 TCWGM1- - Pin 5
    • For all others,
    • Measure the resistance between:
    (+) Turbocharger Wastegate Motor Bank 2 Connector, Component Side (-) Turbocharger Wastegate Motor Bank 2 Connector, Component Side
    TCWGM2+ - Pin 1 TCWGM2- - Pin 5

    Is the resistance between 1 - 90 ohms? 

    Yes No
    GO to  HN36. INSTALL a new turbocharger wastegate motor in question. REFER to the Service Information, Fuel Charging and Controls, Turbocharger.
    RESET the keep alive memory. REFER to RESETTING THE KEEP ALIVE MEMORY (KAM) .
  8. HN36 CHECK FOR AN INTERMITTENT CONCERN 
    • Ignition OFF.
    • Turbocharger Wastegate Motor Bank 1 connector connected.
    • Turbocharger Wastegate Motor Bank 2 connector connected.
    • PCM connector connected.
    • Ignition ON, engine OFF.
    • Access the PCM and monitor the WGATE_A_POS_PCT (PER) and WGATE_B_POS_PCT (PER) PIDs.
    • While observing the PIDs for percentage changes, wiggle, shake, and bend small sections of the wiring harness while working from each turbocharger wastegate motor to the PCM.

    Is a concern indicated? 

    Yes No
    REPAIR as necessary.
    Clear the PCM DTCs. REPEAT the self-test.    		 GO to  HN37.
  9. HN37 CHECK THE TURBOCHARGER WASTEGATE POSITION OPEN AND CLOSED PERCENTAGES 
    NOTE: Certain failure mode effects management (FMEM) operating strategies may limit vehicle function in the event of a harness or component concern and may prevent the wastegates from operating correctly.
    NOTE: Make sure the accelerator pedal is fully applied and fully released when recording the PID values.
    NOTE: The PCM will command the turbocharger wastegate motors to follow the applied accelerator pedal position, until the accelerator pedal is fully released.
    • Ignition ON, engine OFF.
    • Clear the PCM DTCs.
    • Ignition OFF.
    • Ignition ON, engine OFF.
    • Access the PCM and monitor the WGATE_A_POS_PCT (PER) and WGATE_B_POS_PCT (PER) PIDs.
    • Press the accelerator pedal fully to the floor. Wait 3 seconds, then record the PID values.
    • Release the accelerator pedal and immediately record the PID values.

    Turbocharger Wastegate Position Sensor Signal Percentages 

    Accelerator Pedal Wastegate Position Sensor PID Value
    Accelerator Pedal Fully Applied 90.0 to 100.0
    Accelerator Pedal Fully Released 0.0 to 10.0

    Are the recorded PID values within range of the accelerator pedal fully applied and the accelerator pedal fully released values? 

    Yes No
    GO to  HN38. INSTALL a new turbocharger wastegate motor in question. REFER to the Service Information, Fuel Charging and Controls, Turbocharger.
    RESET the keep alive memory. REFER to RESETTING THE KEEP ALIVE MEMORY (KAM) .
  10. HN38 CHECK FOR CORRECT OPERATION 
    • Disconnect all the PCM connectors.
    • Disconnect the turbocharger wastegate motor 1 and turbocharger wastegate motor 2 connectors.
    • Visually inspect for:
      • pushed out pins
      • corrosion
    • Connect all the PCM connectors, the turbocharger wastegate motor connectors. Make sure the connectors are seated correctly.
    • Carry out the PCM self-test.
    • Verify the concern is still present.

    Is the concern still present? 

    Yes No
    For DTCs P2ABD or P2ABE, GO to PINPOINT TESTS Z .
    For all others, INSTALL a new turbocharger wastegate motor in question. REFER to the Service Information Fuel Charging and Controls, Turbocharger.
    RESET the keep alive memory. REFER to RESETTING THE KEEP ALIVE MEMORY (KAM) .    		 The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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