Pinpoint Test HN: Turbocharger System

NOTE: To recreate the original conditions that set the DTC or caused the symptom, the vehicle may require driving.

Normal Operation and Fault Conditions

Refer to the DTC Fault Trigger Conditions.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P0034:00	Turbocharger/Supercharger Bypass Valve 'A' Control Circuit Low: No Sub Type Information	Sets when the PCM detects an open circuit or a short to ground from the turbocharger bypass valve (TCBY) circuit. This DTC only sets when the valve is commanded closed.
PCM P0035:00	Turbocharger/Supercharger Bypass Valve 'A' Control Circuit High: No Sub Type Information	Sets when the PCM detects high voltage from the turbocharger bypass valve (TCBY) circuit.This DTC only sets when the valve is commanded open.
PCM P00C1:00	Turbocharger/Supercharger Bypass Valve 'B' Control Circuit Low: No Sub Type Information	Sets when the PCM detects an open circuit or a short to ground from the turbocharger bypass 2 (TCBY2) circuit.This DTC only sets when the valve is commanded closed.
PCM P00C2:00	Turbocharger/Supercharger Bypass Valve 'B' Control Circuit High: No Sub Type Information	Sets when the PCM detects high voltage from the turbocharger bypass 2 (TCBY2) circuit.This DTC only sets when the valve is commanded open.
PCM P0234:00	Turbocharger/Supercharger 'A' Overboost Condition: No Sub Type Information	FORD GT Sets when the PCM detects the turbocharger system TCBP PID value is greater than a calibrated threshold, or the turbocharger system TCBP PID value is greater than the turbocharger boost pressure desired value for a calibrated length of time. This DTC may also set if the calculated turbocharger turbine speed is greater than a calibrated threshold, or the calculated turbocharger turbine speed difference between bank 1 and bank 2 is greater than a calibrated threshold. Check tubing for restrictions, cracks and incorrect fitting connections. Check the turbocharger wastegate regulating valve solenoid for correct operation. ALL OTHERS This DTC sets when the turbocharger system TCBP PID value is greater than a calibrated threshold, or the turbocharger system TCBP PID value is greater than the turbocharger boost pressure (TCBP) desired value for a calibrated length of time. Check tubing for restrictions, cracks and incorrect fitting connections. Check the turbocharger wastegate regulating valve solenoid for correct operation.
PCM P0243:00	Turbocharger/Supercharger Wastegate Actuator 'A': No Sub Type Information	Sets when the PCM detects the TCWGM1+ and TCWGM1- circuits are reversed. Verify the TCWGM1+ and TCWGM1- circuit positions are correct in the harness connector.
PCM P0244:00	Turbocharger/Supercharger Wastegate Actuator 'A' Range/Performance: No Sub Type Information	Sets when the PCM detects the turbocharger wastegate motor 1 is slow to respond to the commanded position. Inspect the wastegate motor linkage for physical damage or binding.
PCM P0245:00	Turbocharger/Supercharger Wastegate Actuator 'A' Low: No Sub Type Information	Sets when the PCM detects an open circuit or a short to ground from the TCWRVS circuit.This DTC only sets when the solenoid valve is energized.
PCM P0246:00	Turbocharger/Supercharger Wastegate Actuator 'A' High: No Sub Type Information	Sets when the PCM detects high voltage from the TCWRVS circuit.This DTC only sets when the solenoid valve is energized.
PCM P0247:00	Turbocharger/Supercharger Wastegate Actuator 'B': No Sub Type Information	Sets when the PCM detects the TCWGM2+ and TCWGM2- circuits are reversed.Verify the TCWGM2+ and TCWGM2- circuit positions are correct in the harness connector.
PCM P0248:00	Turbocharger/Supercharger Wastegate Actuator 'B' Range/Performance: No Sub Type Information	Sets when the PCM detects the turbocharger wastegate motor 2 is slow to respond to the commanded position. Inspect the wastegate motor linkage for physical damage or binding.
PCM P0249:00	Turbocharger/Supercharger Wastegate Actuator 'B' Low: No Sub Type Information	Sets when the PCM detects an open circuit or a short to ground from the TCWRVS circuit.
PCM P0250:00	Turbocharger/Supercharger Wastegate Actuator 'B' High: No Sub Type Information	Sets when the PCM detects high voltage from the TCWRVS circuit.
PCM P0299:00	Turbocharger/Supercharger 'A' Underboost Condition: No Sub Type Information	Sets when the PCM detects the actual turbocharger boost pressure (TCBP) value is less than the desired turbocharger boost pressure (TCBP) value by 27.6 kPa (4 psi) or more for 5 seconds, indicating an under boost condition. Check tubing for restrictions, cracks and incorrect fitting connections. Check the turbocharger wastegate regulating valve solenoid for correct operation.
PCM P100F:00	Wastegate Control Pressure/BARO Correlation: No Sub Type Information	Sets when the PCM detects the difference between the wastegate vacuum sensor reading is greater than the barometric pressure (BARO) sensor, MAP sensor and the turbocharger boost pressure (TCBP) sensor readings by a calibrated threshold at KOEO, and the fault timer has exceeded the calibrated time threshold. The typical sensor difference threshold is 8.47 kPa (1.23 psi) and time threshold is 5 seconds.
PCM P1011:00	Wastegate Control Pressure Sensor Circuit Range/Performance: No Sub Type Information	Sets when the PCM detects the wastegate vacuum sensor reading has exceeded the atmospheric pressure by greater than a calibrated threshold and the fault timer has exceeded the calibrated time threshold. The typical maximum threshold is 10.16 kPa (1.47 psi) and time threshold is 5 seconds.
PCM P1012:00	Wastegate Control Pressure Sensor Circuit Low: No Sub Type Information	Sets when the PCM detects the wastegate vacuum sensor reading is less than a calibrated threshold and the fault timer has exceeded the calibrated time threshold indicating a short to SIGRTN or ground. The typical minimum threshold is 0.2V and time threshold is 5 seconds.
PCM P1013:00	Wastegate Control Pressure Sensor Circuit High: No Sub Type Information	Sets when the PCM detects the wastegate vacuum sensor reading is greater than a calibrated threshold and the fault timer has exceeded the calibrated time threshold indicating an open circuit or a short to voltage. The typical maximum threshold is 4.93 V and time threshold is 5 seconds.
PCM P1014:00	Wastegate Control Pressure Sensor Circuit Intermittent/Erratic: No Sub Type Information	Sets when the PCM detects the wastegate vacuum sensor reading is less than or greater than the minimum or maximum calibrated thresholds and the fault counter has exceeded the calibrated count threshold indicating an intermittent open or short circuit.The typical minimum and maximum threshold is 0.2 V and 4.93 V and the count threshold is 25.
PCM P1015:00	Wastegate Control Pressure Lower Than Expected: No Sub Type Information	Sets when the PCM detects the measured wastegate vacuum sensor reading is less than the expected reading by greater than the calibrated threshold and the fault timer has exceeded the calibrated time threshold. The typical difference threshold is 16.93 kPa (2.46 psi) and time threshold is 5 seconds.
PCM P1016:00	Wastegate Control Pressure Higher Than Expected: No Sub Type Information	Sets when the PCM detects the measured wastegate vacuum sensor reading is higher than the expected reading by greater than the calibrated threshold and the fault timer has exceeded the calibrated time threshold. The typical difference threshold is 16.93 kPa (2.46 psi) and time threshold is 5 seconds.
PCM P25B3:00	Turbocharger/Supercharger Wastegate 'A' Stuck Open: No Sub Type Information	Sets when the PCM detects the turbocharger wastegate 1 is at a greater angle than commanded. Check the turbocharger wastegate motor linkage for stuck or binding concern.
PCM P25B4:00	Turbocharger/Supercharger Wastegate 'A' Stuck Closed: No Sub Type Information	Sets when the PCM detects the turbocharger wastegate 1 is at a lower angle than commanded. Check the turbocharger wastegate motor linkage for stuck or binding concern.
PCM P25B5:00	Turbocharger/Supercharger Wastegate 'B' Stuck Open: No Sub Type Information	Sets when the PCM detects the turbocharger wastegate 2 is at a greater angle than commanded. Check the turbocharger wastegate motor linkage for stuck or binding concern.
PCM P25B6:00	Turbocharger/Supercharger Wastegate 'B' Stuck Closed: No Sub Type Information	This DTC sets when Sets when the PCM detects the turbocharger wastegate 2 is at a lower angle than commanded. Check the turbocharger wastegate motor linkage for stuck or binding concern.
PCM P2AB7:00	Wastegate Position Sensor 'A' Circuit: No Sub Type Information	Sets when the PCM detects the TCWP1 circuit voltage is greater than or less than a calibrated threshold.
PCM P2AB8:00	Wastegate Position Sensor 'A' Circuit Low: No Sub Type Information	Sets when the PCM detects the turbocharger wastegate position 1 sensor is out of self-test range low.
PCM P2AB9:00	Wastegate Position Sensor 'A' Circuit High: No Sub Type Information	Sets when the PCM detects the turbocharger wastegate position 1 sensor is out of self-test range high.
PCM P2ABA:00	Wastegate Position Sensor 'B' Circuit: No Sub Type Information	Sets when the PCM detects the TCWP2 circuit voltage is greater than or less than a calibrated threshold.
PCM P2ABB:00	Wastegate Position Sensor 'B' Circuit Low: No Sub Type Information	Sets when the PCM detects the turbocharger wastegate position 2 sensor is out of self-test range low.
PCM P2ABC:00	Wastegate Position Sensor 'B' Circuit High: No Sub Type Information	Sets when the PCM detects the turbocharger wastegate position 2 sensor is out of self-test range high.
PCM P2ABD:00	Turbocharger/Supercharger Wastegate Actuator 'A' Driver Current/Temperature Too High: No Sub Type Information	Sets when the PCM detects the turbocharger wastegate motor 1 driver current is greater than a calibrated threshold.
PCM P2ABE:00	Turbocharger/Supercharger Wastegate Actuator 'B' Driver Current/Temperature Too High: No Sub Type Information	Sets when the PCM detects the turbocharger wastegate motor 2 driver current is greater than a calibrated threshold.

Possible Causes

Intake air system concern
Turbocharger bypass valve circuitry concern
Wastegate control hose
Wastegate vacuum sensor
Turbocharger bypass valve (9K378)
Turbocharger wastegate regulating solenoid (9961 pressure actuated, 9E882 vacuum actuated)
Turbocharger wastegate motor (9G488)
Wastegate vacuum sensor (9F479)
PCM (12A650)

HN1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTC (DIAGNOSTIC TROUBLE CODE))

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	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 HN30.

For Bronco, Bronco Sport 2.0L, Corsair 2.0L, Edge 2.0L, Escape/Kuga, Expedition, Explorer 2.3L, F-150, Maverick 2.0L, Nautilus, Navigator, and Ranger symptoms without DTCs : GO to HN38.
For all other symptoms without DTCs : GO to HN12.
For all others:
Refer to the Symptom Charts for further direction.Test is complete and no faults were found.

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 Fuel Charging and Controls -- Turbocharger.
- damaged or restricted turbocharger oil return tubes. Refer to Fuel Charging and Controls -- Turbocharger.
- damaged turbocharger. Refer to Fuel Charging and Controls -- Turbocharger.
- damaged, disconnected, or missing turbocharger wastegate linkage or retainers

With constant pressure, slowly push the turbocharger wastegate linkage towards the turbocharger wastegate motor then pull the linkage away from the turbocharger wastegate motor.

Do the visual inspections reveal any concerns?

Yes	REPAIR as necessary.Clear the PCM DTCs. REPEAT the self-test.

No	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.

Access the PCM and monitor the BARO (Pressure) PID

Access the PCM and monitor the MAP (Pressure) PID

Access the PCM and monitor the TCBP (Pressure) PID

Access the PCM and monitor the WGATE_PRES (Pressure) PID

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

Yes	GO to HN5.

No	CHECK the turbocharger wastegate vacuum system hoses for restrictions. REPAIR as necessary. If no concerns are present, INSTALL a new Wastegate Vacuum Sensor. Refer to Fuel Charging and Controls - Turbocharger.Clear the PCM DTCs. REPEAT the self-test.

HN4 CHECK FOR VREF AT THE SENSOR

Ignition OFF.

Disconnect Wastegate Vacuum Sensor connector.

Ignition ON.

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
VREFWastegate Vacuum Sensor Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	SIGRTNWastegate Vacuum Sensor Connector Refer to Wiring Diagrams Cell

Is the voltage between 4.5 V - 5.5 V?

Yes	GO to HN6.

No	GO to Pinpoint Test 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,

Disconnect TCBY Valve connector.

Ignition ON.

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
VPWR Pin 1TCBY Valve Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For the TCBY2 valve,

Disconnect TCBY2 Valve connector.

Ignition ON.

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
VPWR Pin 1TCBY2 Valve Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For the turbocharger wastegate regulating valve bank 1, solenoid 1,

Disconnect Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 connector.

Ignition ON.

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
VPWRTurbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For the turbocharger wastegate regulating valve bank 2, solenoid 1,

Disconnect Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 connector.

Ignition ON.

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
VPWR Pin 2Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

Is the voltage greater than 10.5 V?

Yes	GO to HN6.

No	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.

Disconnect PCM connector.

For the TCBY valve,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCBY Pin 2TCBY Valve Connector	Courtesy of FORD MOTOR COMPANY	1.5L EcoBoost (129kW/175PS) (CR), 1.5L EcoBoost (132kW/180PS) - I3 (Y1), 2.0L EcoBoost (184kW/250PS) - MI4, 2.0L EcoBoost (177kW/240PS) - MI4: TCBY Pin E47PCM Connector 2.5L Duratec - Hybrid (121kW/164PS) (BG) 2.5L Duratec - Hybrid (FHEV 148kW/201PS, PHEV 165kW/225PS) (BG): TCBYPCM Connector

For the TCBY2 valve,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCBY2 Pin 2TCBY2 Valve Connector	Courtesy of FORD MOTOR COMPANY	TCBY2PCM Connector

For the turbocharger wastegate regulating valve bank 1, solenoid 1,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWRVS11Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	TCWRVS11PCM Connector

For the turbocharger wastegate regulating valve bank 2 solenoid 1,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWRVS21 Pin 1Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector	Courtesy of FORD MOTOR COMPANY	TCWRVS21PCM Connector

For the wastegate vacuum sensor,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
WVSWastegate Vacuum Sensor Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	WVSPCM Connector
SIGRTN#WVSWastegate Vacuum Sensor Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	SIGRTN#WVSPCM Connector

Is the resistance less than 5 Ohm??

Yes	GO to HN7.

No	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:

Positive Lead	Measurement / Action	Negative Lead
TCBY Pin 2TCBY Valve Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For the TCBY2 valve,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCBY2 Pin 2TCBY2 Valve Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For the turbocharger wastegate regulating valve bank 1 solenoid 1,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWRVS11Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For the turbocharger wastegate regulating valve bank 2 solenoid 1,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWRVS21 Pin 1Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For the wastegate vacuum sensor,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
WVSWastegate Vacuum Sensor Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

Is the resistance greater than 10000 Ohm??

Yes	GO to HN8.

No	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.

For the TCBY valve,

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
TCBY Pin 2TCBY Valve Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For the TCBY2 valve,

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
TCBY2 Pin 2TCBY2 Valve Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For the turbocharger wastegate regulating valve bank 1 solenoid 1,

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
TCWRVS11Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For the turbocharger wastegate regulating valve bank 2 solenoid 1,

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
TCWRVS21 Pin 1Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For the wastegate vacuum sensor,

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
WVSWastegate Vacuum Sensor Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

Is any voltage present?

Yes	REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test.

No	For DTCs P1011, P1012, P1013, P1014, P1015 or P1016: 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:

Positive Lead	Measurement / Action	Negative Lead
TCBY Pin 2, Component Side TCBY Valve Connector	Courtesy of FORD MOTOR COMPANY	VPWR Pin 1, Component Side TCBY Valve Connector

For the TCBY2 valve,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCBY2 Pin 2, Component Side TCBY2 Valve Connector	Courtesy of FORD MOTOR COMPANY	VPWR Pin 1, Component Side TCBY2 Valve Connector

For the turbocharger wastegate regulating valve bank 1 solenoid 1,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWRVS11, Component Side Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	VPWR, Component Side Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 Connector Refer to Wiring Diagrams Cell

For the turbocharger wastegate regulating valve bank 2 solenoid 1,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWRVS21 Pin 1, Component Side Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector	Courtesy of FORD MOTOR COMPANY	VPWR Pin 2, Component Side Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 Connector

Are the resistances between 5 - 60 ohms?

Yes	GO to HN10.

No	INSTALL a new component in question.For the turbocharger bypass (TCBY) valve in question, Refer to Electronic Engine Controls.For all others, Refer to Fuel Charging and Controls - Turbocharger.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.
- Connect PCM connector.
- For the TCBY valve,
- Connect TCBY Valve connector.
- Ignition ON.
Access the PCM and monitor the TURBO_BP1_STAT (Status) PID
- For the TCBY2 valve,
- Connect TCBY2 Valve connector.
- Ignition ON.
Access the PCM and monitor the TURBO_BP2_STAT (Status) PID
- For the turbocharger wastegate regulating valve bank 1 solenoid 1,
- Connect Turbocharger Wastegate Regulating Valve Bank 1, Solenoid 1 connector.
- For the turbocharger wastegate regulating valve bank 2 solenoid 1,
- Connect Turbocharger Wastegate Regulating Valve Bank 2, Solenoid 1 connector.
- Ignition ON.
Access the PCM and monitor the TWGATE_STAT (Status) PID
- For the wastegate vacuum sensor,
- Connect Wastegate Vacuum Sensor connector.
- Ignition ON.
Access the PCM and monitor the WGATE_PRES_F (Status) PID
- For the Bronco, Bronco Sport 2.0L, Corsair, Edge 2.0L, Escape/Kuga, Expedition, Explorer 2.3L, F-150, Maverick 2.0L, Nautilus, Navigator, and Ranger wastegate,
- Ignition ON.
Access the PCM and monitor the WGATE_A_POS_PCT (Percentage, %) PID

Access the PCM and monitor the WGATE_B_POS_PCT (Percentage, %) PID
- 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 ISOLATE the concern. REPAIR as necessary.Clear the PCM DTCs. REPEAT the self-test.

No GO to HN11.

HN11 INTERMITTENT CHECK

NOTE: For vehicles without a TCBY valve, follow the No answer.

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 (Status) PID

For the TCBY2,

Access the PCM and monitor the TURBO_BP2_STAT (Status) PID

For the turbocharger wastegate regulating valve solenoids,

Access the PCM and monitor the TWGATE_STAT (Status) PID

For the wastegate vacuum sensor,

Access the PCM and monitor the WGATE_PRES_F (Status) PID

For the Bronco, Bronco Sport 2.0L, Corsair, Edge 2.0L, Escape/Kuga, Expedition, Explorer 2.3L, F-150, Maverick 2.0L, Nautilus, Navigator, and Ranger wastegate,

Access the PCM and monitor the WGATE_A_POS_PCT (Percentage, %) PID

Access the PCM and monitor the WGATE_B_POS_PCT (Percentage, %) PID

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	INSTALL a new component in question.For the turbocharger bypass (TCBY) valve in question, Refer to Electronic Engine Controls.For all others, Refer to Fuel Charging and Controls - Turbocharger.Clear the PCM DTCs. REPEAT the self-test.

No	For DTCs P1011, P1012, P1013, P1014, P1015 or P1016: GO to HN28. 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 Pinpoint Test HF9 .
- 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).
- 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 Fuel Charging and Controls -- Turbocharger.
  - damaged or restricted turbocharger oil return tubes. Refer to Fuel Charging and Controls -- Turbocharger.
  - damaged turbocharger. Refer to 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 REPAIR as necessary.Clear the PCM DTCs. REPEAT the self-test.

No GO to HN13.

HN13 CHECK THE CHARGE AIR COOLER (CAC (CHARGE AIR COOLER)) 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 REPAIR as necessary.Clear the PCM DTCs. REPEAT the self-test.

No GO to HN14.

HN14 CHECK BYPASS VALVE OPERATION

NOTE: For vehicles without a TCBY valve, follow the Yes answer.

NOTE: For vehicles without the RPM command PID, use the accelerator pedal to hold the engine RPM at approximately 2, 000 RPM.

NOTE: For vehicles without the wastegate 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.

Start the engine.

Access the PCM and control the TURBO_BPASS (Status) PID

Access the PCM and control the TURBO_BPASS_2 (Status) PID

Command the TURBO_BPASS PID and the TURBO_BPASS_2 PID to OFF.

For the Bronco, Bronco Sport 2.0L, Corsair, Edge 2.0L, Escape/Kuga, Expedition, Explorer 2.3L, F-150, Maverick 2.0L, Nautilus, Navigator, and Ranger wastegate,

Access the PCM and monitor the WGATE_A_POS_PCT (Percentage, %) PID

Access the PCM and monitor the WGATE_B_POS_PCT (Percentage, %) PID

For all others,

Access the PCM and control the TURBO_WGATE (Percentage, %) PID

Command the TURBO_WGATE PID duty cycle to 100% (Aviator, Edge 2.7L, Explorer 3.0L, Nautilus) or 0% (all others).

Access the PCM and monitor the TCBP (Pressure) PID

Access the PCM and control the RPMDSD (RPM, Rpm) PID

Command the RPMPID 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	1.5L EcoBoost (129kW/175PS) (CR), 1.5L EcoBoost (132kW/180PS) - I3 (Y1), 2.0L EcoBoost (184kW/250PS) - MI4, 2.0L EcoBoost (177kW/240PS) - MI4: GO to HN30. All Others: GO to HN15.

No	INSTALL a new Turbocharger Bypass solenoid. Refer to Electronic Engine Controls.Clear the PCM DTCs. REPEAT the self-test.

HN15 CHECK WASTEGATE OPERATION
- NOTE: For vehicles without a TCBY valve, disregard the turbocharger bypass directions in this step.
- NOTE: For vehicles without the RPM command PID, use the accelerator pedal to hold the engine RPM at approximately 2, 000 RPM.
- NOTE: For vehicles without the wastegate command PID, use the accelerator pedal to hold the engine RPM at approximately 2, 000 RPM.
- Start the engine.
Access the PCM and control the TURBO_BPASS (Status) PID

Access the PCM and control the TURBO_BPASS_2 (Status) PID
- Command the TURBO_BPASS PID and the TURBO_BPASS_2 PID to OFF.
Access the PCM and control the TURBO_WGATE (Percentage, %) PID
- Command the TURBO_WGATE PID duty cycle to 100% (Aviator, Edge 2.7L, Explorer 3.0L) or 0% (all others).
Access the PCM and monitor the TCBP (Pressure) PID

Access the PCM and control the RPMDSD (RPM, Rpm) PID
- Command the RPM PID to the maximum RPM.
- Record the TCBP PID reading.
- Command the TURBO_WGATE PID duty cycle to 0% (Aviator, Edge 2.7L, Explorer 3.0L) or 100% (all others) and record the TCBP PID reading.
Does the TCBP PID reading increase from the initial recorded value?

Yes GO to HN27.

No 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 GO to HN17.

No 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	INSTALL a new turbocharger wastegate regulating valve solenoid in question. Refer to Fuel Charging and Controls - Turbocharger.Clear the PCM DTCs. REPEAT the self-test.

No	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	INSTALL a new turbocharger wastegate actuator. Refer to 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 Fuel Charging and Controls - Turbocharger.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.
- Start the engine.
- Record the vacuum.
Is the vacuum greater than 33.86 kPa (10 in-Hg)?

Yes GO to HN20.

No DIAGNOSE a loss of vacuum. Refer to 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	GO to HN21.

No	INSTALL a new Turbocharger Bypass valve. Refer to 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	INSTALL a new Turbocharger Bypass solenoid. Refer to Fuel Charging and Controls - Turbocharger.Clear the PCM DTCs. REPEAT the self-test.

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.

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.
- Start the engine.
- Record the vacuum.
Is the vacuum greater than 33.86 kPa (10 in-Hg)?

Yes GO to HN24.

No DIAGNOSE a loss of vacuum. Refer to Brake System.Clear the PCM DTCs. REPEAT the self-test.

HN23 CHECK VACUUM AT WASTEGATE ACTUATOR
- NOTE: For vehicles without the RPM command PID, use the accelerator pedal to hold the engine RPM at approximately 2, 000 RPM.
- NOTE: For vehicles without the wastegate command PID, use the accelerator pedal to hold the engine RPM at approximately 2, 000 RPM.
- Ignition OFF.
- Connect the vacuum supply tube to the vacuum pump.
- Disconnect the turbocharger wastegate control hose from the turbocharger wastegate actuator.
- Using the DSL ENG Pressure Test Kit 014-00761 or equivalent, measure the vacuum at the turbocharger wastegate actuator control hose.
- Start the engine.
Access the PCM and control the TURBO_WGATE (Percentage, %) PID
- Command the TURBO_WGATE PID duty cycle to 100% (Aviator, Edge 2.7L, Explorer 3.0L) or 0% (all others).
Access the PCM and control the RPMDSD (RPM, Rpm) PID
- Command the RPM PID to the maximum RPM.
Is the vacuum greater than 33.86 kPa (10 in-Hg)?

Yes GO to HN24.

No DIAGNOSE a loss of vacuum. Refer to Brake System. Clear the PCM DTCs. REPEAT the self-test.

HN24 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 33.86 kPa (10 in-hg) 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 GO to HN25.

No GO to HN26.

HN25 CHECK THE VACUUM SUPPLY HOSE FROM THE VACUUM PUMP TO THE TURBOCHARGER WASTEGATE ACTUATOR

Connect the turbocharger wastegate control hose 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 33.86 kPa (10 in-hg) 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	INSTALL a new turbocharger wastegate regulating valve solenoid in question. Refer to Fuel Charging and Controls - Turbocharger.Clear the PCM DTCs. REPEAT the self-test.

No	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.

HN26 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	INSTALL a new turbocharger wastegate actuator. Refer to Fuel Charging and Controls - Turbocharger.Clear the PCM DTCs. REPEAT the self-test.

HN27 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	INSTALL a new turbocharger assembly. Refer to Fuel Charging and Controls - Turbocharger.Clear the PCM DTCs. REPEAT the self-test.

No	GO to HN29.

HN28 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.

Access the PCM and monitor the WGATE_V (Voltage, V) 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	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.

No	INSTALL a new Wastegate Vacuum Sensor. Refer to Fuel Charging and Controls - Turbocharger.Clear the PCM DTCs. REPEAT the self-test.

HN29 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.

only available in the on-line Workshop Manual

Verify the concern is still present.

Is the concern still present?

Yes	INSTALL a new Powertrain Control Module. Flash Electrically Erasable Programmable Read Only Memory (EEPROM). Programming the VID Block for a Replacement PCM.only available in the on-line Workshop Manual RVC: Generate RVC only works in single-step view Generate RVC requires VIN entry

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.

HN30 CHECK THE TURBOCHARGER WASTEGATE ACTUATORS
- NOTE: The turbocharger wastegate motor requires slow constant force to move the turbocharger wastegate linkage.
- Ignition OFF.
- Visually inspect for damaged, disconnected, or missing turbocharger wastegate linkage or retainers.
- 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 REPAIR as necessary.Clear the PCM DTCs. REPEAT the self-test.

No GO to HN31.

HN31 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.

Disconnect Turbocharger Wastegate Motor Bank 1 connector.

Disconnect Turbocharger Wastegate Motor Bank 2 connector.

Ignition ON.

For DTCs P0243, P0244, P25B3, P25B4, P2AB7, P2AB8, P2AB9 or P2ABD,

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
VREF#TCWP Pin 3Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	SIGRTN#TCWP Pin 1Turbocharger Wastegate Motor Bank 1 Connector

For all others,

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
VREF#TCWPTurbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	SIGRTN#TCWPTurbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell

Is the voltage between 4.5 V - 5.5 V?

Yes	GO to HN32.

No	GO to Pinpoint Test C .

HN32 CHECK FOR AN OPEN CIRCUIT

Ignition OFF.

Disconnect PCM connector.

For DTCs P0243, P0244, P25B3, P25B4, P2AB7, P2AB8, P2AB9 or P2ABD,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWGP1 Pin 2Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	2.5L Duratec - Hybrid (121kW/164PS) (BG) 2.5L Duratec - Hybrid (FHEV 148kW/201PS, PHEV 165kW/225PS) (BG): TCWGP1PCM Connector 1.5L EcoBoost (129kW/175PS) (CR), 1.5L EcoBoost (132kW/180PS) - I3 (Y1), 2.0L EcoBoost (184kW/250PS) - MI4, 2.0L EcoBoost (177kW/240PS) - MI4: TCWGP1 Pin E32PCM Connector
TCWGM1+ Pin 4Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	2.5L Duratec - Hybrid (121kW/164PS) (BG) 2.5L Duratec - Hybrid (FHEV 148kW/201PS, PHEV 165kW/225PS) (BG): TCWGM1+PCM Connector 1.5L EcoBoost (129kW/175PS) (CR), 1.5L EcoBoost (132kW/180PS) - I3 (Y1), 2.0L EcoBoost (184kW/250PS) - MI4, 2.0L EcoBoost (177kW/240PS) - MI4: TCWGM1+ Pin E93PCM Connector
TCWGM1- Pin 5Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	2.5L Duratec - Hybrid (121kW/164PS) (BG) 2.5L Duratec - Hybrid (FHEV 148kW/201PS, PHEV 165kW/225PS) (BG): TCWGM1-PCM Connector 1.5L EcoBoost (129kW/175PS) (CR), 1.5L EcoBoost (132kW/180PS) - I3 (Y1), 2.0L EcoBoost (184kW/250PS) - MI4, 2.0L EcoBoost (177kW/240PS) - MI4: TCWGM1- Pin E88PCM Connector

For all others,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWGP2Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	TCWGP2PCM Connector
TCWGM2+Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	TCWGM2+PCM Connector
TCWGM2-Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	TCWGM2-PCM Connector

Are the resistances less than 5 ohms?

Yes	GO to HN33.

No	REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test.

HN33 CHECK FOR A SHORT TO GROUND

For DTCs P0243, P0244, P25B3, P25B4, P2AB7, P2AB8, P2AB9 or P2ABD,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWGP1 Pin 2Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY
TCWGM1+ Pin 4Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY
TCWGM1- Pin 5Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For all others,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWGP2Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY
TCWGM2+Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY
TCWGM2-Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

Are the resistances greater than 10K ohms?

Yes	GO to HN34.

No	REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test.

HN34 CHECK FOR CIRCUITS SHORTED TOGETHER

For DTCs P0243, P0244, P25B3, P25B4, P2AB7, P2AB8, P2AB9 or P2ABD,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWGP1 Pin 2Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	VREF#TCWP Pin 3Turbocharger Wastegate Motor Bank 1 Connector
TCWGP1 Pin 2Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	SIGRTN#TCWP Pin 1Turbocharger Wastegate Motor Bank 1 Connector
TCWGP1 Pin 2Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	TCWGM1+ Pin 4Turbocharger Wastegate Motor Bank 1 Connector
TCWGP1 Pin 2Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	TCWGM1- Pin 5Turbocharger Wastegate Motor Bank 1 Connector
TCWGM1+ Pin 4Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	TCWGM1- Pin 5Turbocharger Wastegate Motor Bank 1 Connector
TCWGM1+ Pin 4Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	VREF#TCWP Pin 3Turbocharger Wastegate Motor Bank 1 Connector
TCWGM1+ Pin 4Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	SIGRTN#TCWP Pin 1Turbocharger Wastegate Motor Bank 1 Connector
TCWGM1- Pin 5Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	VREF#TCWP Pin 3Turbocharger Wastegate Motor Bank 1 Connector
TCWGM1- Pin 5Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	SIGRTN#TCWP Pin 1Turbocharger Wastegate Motor Bank 1 Connector

For all others,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWGP2Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	SIGRTN#TCWPTurbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell
TCWGP2Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	VREF#TCWPTurbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell
TCWGP2Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	TCWGM2+Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell
TCWGP2Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	TCWGM2-Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell
TCWGM2+Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	TCWGM2-Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell
TCWGM2+Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	VREF#TCWPTurbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell
TCWGM2+Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	SIGRTN#TCWPTurbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell
TCWGM2-Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	VREF#TCWPTurbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell
TCWGM2-Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	SIGRTN#TCWPTurbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell

Are the resistances greater than 10K ohms?

Yes	GO to HN35.

No	REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test.

HN35 CHECK FOR A SHORT TO VOLTAGE

Ignition ON.

For DTCs P0243, P0244, P25B3, P25B4, P2AB7, P2AB8, P2AB9 or P2ABD,

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
TCWGP1 Pin 2Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY
TCWGM1+ Pin 4Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY
TCWGM1- Pin 5Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

For all others,

Measure the voltage between:

Positive Lead	Measurement / Action	Negative Lead
TCWGP2Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY
TCWGM2+Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY
TCWGM2-Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY

Is any voltage present?

Yes	REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test.

No	GO to HN36.

HN36 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:

Positive Lead	Measurement / Action	Negative Lead
TCWGM1+ Pin 4, Component Side Turbocharger Wastegate Motor Bank 1 Connector	Courtesy of FORD MOTOR COMPANY	TCWGM1- Pin 5, Component Side Turbocharger Wastegate Motor Bank 1 Connector

For all others,

Measure the resistance between:

Positive Lead	Measurement / Action	Negative Lead
TCWGM2+, Component Side Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell	Courtesy of FORD MOTOR COMPANY	TCWGM2-, Component Side Turbocharger Wastegate Motor Bank 2 Connector Refer to Wiring Diagrams Cell

Is the resistance between 1 - 90 ohms?

Yes	GO to HN37.

No	INSTALL a new turbocharger wastegate motor in question. Refer to Fuel Charging and Controls - Turbocharger. RESET the keep alive memory (KAM).

HN37 CHECK FOR AN INTERMITTENT CONCERN
- Ignition OFF.
- Connect Turbocharger Wastegate Motor Bank 1 connector.
- Connect Turbocharger Wastegate Motor Bank 2 connector.
- Connect PCM connector.
- Ignition ON.
Access the PCM and monitor the WGATE_A_POS_PCT (Percentage, %) PID

Access the PCM and monitor the WGATE_B_POS_PCT (Percentage, %) PID
- 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 REPAIR as necessary.Clear the PCM DTCs. REPEAT the self-test.

No GO to HN38.

HN38 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.

only available in the on-line Workshop Manual

Ignition OFF.

Ignition ON.

Access the PCM and monitor the WGATE_A_POS_PCT (Percentage, %) PID

Access the PCM and monitor the WGATE_B_POS_PCT (Percentage, %) PID

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	GO to HN39.

No	INSTALL a new turbocharger wastegate motor in question. Refer to Fuel Charging and Controls - Turbocharger. RESET the keep alive memory (KAM).

HN39 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, and the turbocharger wastegate motor connectors. Make sure the connectors are seated correctly.

only available in the on-line Workshop Manual

Verify the concern is still present.

Is the concern still present?

Yes	For DTCs P2ABD or P2ABE: GO to Pinpoint Test Z . For all others: INSTALL a new turbocharger wastegate motor in question. Refer to Fuel Charging and Controls - Turbocharger. RESET the keep alive memory (KAM).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.