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Home >> Ford >> 2023 >> Escape Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1127 (Electric Powertrain Control - 3.3L DURATEC-V6 - Hybrid (BP) (Diagnosis & Testing - Removal & Installation)) >> Diagnosis And Testing >> Electric Powertrain Control >> Pinpoint Tests >> Pinpoint Test AJ: P0C5F, P0C61, P0C62, P0C6B, P0C6C

Pinpoint Test AJ: P0C5F, P0C61, P0C62, P0C6B, P0C6C

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  1. Normal Operation and Fault Conditions 

    Refer to Electric Powertrain Control - System Operation and Component Description .

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    SOBDMC P0C5F:00 Drive Motor "B" Position Sensor Circuit "B": No Sub Type Information This DTC sets when an open circuit is detected in the generator resolver circuit.
    SOBDMC P0C61:00 Drive Motor "B" Position Sensor Circuit "B" Low: No Sub Type Information This DTC sets when a short to ground is detected in the generator resolver circuit.
    SOBDMC P0C62:00 Drive Motor "B" Position Sensor Circuit "B" High: No Sub Type Information This DTC sets when a short to power is detected in the generator resolver circuit.
    SOBDMC P0C6B:00 Generator Position Sensor Circuit "B" Low: No Sub Type Information This DTC sets when a short to ground is detected in the generator resolver circuit.
    SOBDMC P0C6C:00 Generator Position Sensor Circuit "B" High: No Sub Type Information This DTC sets when a short to power is detected in the generator resolver circuit.

    Possible Sources 

    • Wiring, terminals or connectors

  2. AJ1 CHECK THE INVERTER SYSTEM CONTROLLER (ISC) CALIBRATION LEVEL

    • Verify the Inverter System Controller (ISC) is at the latest calibration level.

    Is the Inverter System Controller (ISC) at the latest calibration level? 

    Yes  GO to  AJ2
    No  UPDATE the Inverter System Controller (ISC) to the latest calibration level.

  3. AJ2 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)

    • Ignition ON.

    • Using a diagnostic scan tool, run the Inverter System Controller (ISC) self-test.

    Was DTC P0C5F, P0C61, P0C62, P0C6B or P0C6C read from the Inverter System Controller (ISC)? 

    Yes  GO to  AJ3
    No  The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

  4. AJ3 VISUAL INSPECTION OF THE LOW VOLTAGE SYSTEM

    • Ignition OFF.

    • Remove the high voltage traction battery service disconnect plug.

    • Visually inspect all the low voltage cables.

    • Make sure all the low voltage connectors are correctly and securely connected.

    • Examine all the low voltage cables and connectors for damaged, burned or overheated insulation and loose or broken connections.

    Is a concern present? 

    Yes  REPAIR as necessary. CLEAR the DTCs and REPEAT the self-test.
    No  GO to  AJ4

  5. AJ4 CHECK THE MS2 CIRCUIT FOR AN OPEN

    • Ignition OFF.

    • Disconnect Transmission Sensor Speed Resolver C1280 .

    • Disconnect Inverter System Controller (ISC) C1458A .

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-A2
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1280-1

    Is the resistance less than 5 ohms? 

    Yes  GO to  AJ5
    No  REPAIR the open circuit. CLEAR the DTCs and REPEAT the self-test.

  6. AJ5 CHECK THE MS4 CIRCUIT FOR AN OPEN

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-B2
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1280-5

    Is the resistance less than 5 ohms? 

    Yes  GO to  AJ6
    No  REPAIR the open circuit. CLEAR the DTCs and REPEAT the self-test.

  7. AJ6 CHECK THE MS2 CIRCUIT FOR A SHORT TO VOLTAGE

    • Ignition ON.

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-A2
      GFD659138Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.
    No  GO to  AJ7

  8. AJ7 CHECK THE MS4 CIRCUIT FOR A SHORT TO VOLTAGE

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-B2
      GFD659138Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.
    No  GO to  AJ8

  9. AJ8 CHECK THE MS2 CIRCUIT FOR A SHORT TO GROUND

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-A2
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance greater than 10K ohms? 

    Yes  GO to  AJ9
    No  REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.

  10. AJ9 CHECK THE MS4 CIRCUIT FOR A SHORT TO GROUND

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-B2
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance greater than 10K ohms? 

    Yes  GO to  AJ10
    No  REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.

  11. AJ10 CHECK THE MR1 CIRCUIT FOR AN OPEN

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-A1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1280-3

    Is the resistance less than 5 ohms? 

    Yes  GO to  AJ11
    No  REPAIR the open circuit. CLEAR the DTCs and REPEAT the self-test.

  12. AJ11 CHECK THE MR2 CIRCUIT FOR AN OPEN

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-B1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1280-4

    Is the resistance less than 5 ohms? 

    Yes  GO to  AJ12
    No  REPAIR the open circuit. CLEAR the DTCs and REPEAT the self-test.

  13. AJ12 CHECK THE MR1 CIRCUIT FOR A SHORT TO VOLTAGE

    • Ignition ON.

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-A1
      GFD659138Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.
    No  GO to  AJ13

  14. AJ13 CHECK THE MR2 CIRCUIT FOR A SHORT TO VOLTAGE

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-B1
      GFD659138Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.
    No  GO to  AJ14

  15. AJ14 CHECK THE MR1 CIRCUIT FOR A SHORT TO GROUND

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-A1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance less than 5 ohms? 

    Yes  GO to  AJ15
    No  REPAIR the open circuit. CLEAR the DTCs and REPEAT the self-test.

  16. AJ15 CHECK THE MR2 CIRCUIT FOR A SHORT TO GROUND

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-B1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance less than 5 ohms? 

    Yes  GO to  AJ16
    No  REPAIR the open circuit. CLEAR the DTCs and REPEAT the self-test.

  17. AJ16 CHECK THE MS1 CIRCUIT FOR AN OPEN

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-A3
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1280-2

    Is the resistance less than 5 ohms? 

    Yes  GO to  AJ17
    No  REPAIR the open circuit. CLEAR the DTCs and REPEAT the self-test.

  18. AJ17 CHECK THE MS3 CIRCUIT FOR AN OPEN

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-B3
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1280-6

    Is the resistance less than 5 ohms? 

    Yes  GO to  AJ18
    No  REPAIR the open circuit. CLEAR the DTCs and REPEAT the self-test.

  19. AJ18 CHECK THE MS1 CIRCUIT FOR A SHORT TO VOLTAGE

    • Ignition ON.

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-A1
      GFD659138Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.
    No  GO to  AJ19

  20. AJ19 CHECK THE MS3 CIRCUIT FOR A SHORT TO VOLTAGE

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-B3
      GFD659138Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.
    No  GO to  AJ20

  21. AJ20 CHECK THE MS1 CIRCUIT FOR A SHORT TO GROUND

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-A3
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance less than 5 ohms? 

    Yes  GO to  AJ21
    No  REPAIR the open circuit. CLEAR the DTCs and REPEAT the self-test.

  22. AJ21 CHECK THE MS3 CIRCUIT FOR A SHORT TO GROUND

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-B3
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance less than 5 ohms? 

    Yes  GO to  AJ22
    No  REPAIR the open circuit. CLEAR the DTCs and REPEAT the self-test.

  23. AJ22 CHECK THE INVERTER SYSTEM CONTROLLER (ISC) CIRCUITS FOR SHORTED TOGETHER

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1458A-A1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-B1
      C1458A-A1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-A2
      C1458A-A1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-B2
      C1458A-A1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-A3
      C1458A-A1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-B3
      C1458A-B1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-A2
      C1458A-B1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-B2
      C1458A-B1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-A3
      C1458A-B1
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-B3
      C1458A-A2
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-B2
      C1458A-A2
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-A3
      C1458A-A2
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-B3
      C1458A-B2
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-A3
      C1458A-B2
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-B3
      C1458A-A3
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1458A-B3

    Are the resistances greater than 10K ohms? 

    Yes  GO to  AJ23
    No  REPAIR the short circuit. CLEAR the DTCs and REPEAT the self-test.

  24. AJ23 CHECK THE MR1 AND MR2 RESOLVER RESISTANCE

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1280 pin 3, component side
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1280 pin 4, component side

    Is the resistance between 8 and 18 ohms? 

    Yes  GO to  AJ24
    No  INSTALL a new electric motor. Refer to Hybrid Drive Unit .

  25. AJ24 CHECK THE MS1 AND MS3 RESOLVER RESISTANCE

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1280 pin 2, component side
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1280 pin 6, component side

    Is the resistance between 32 and 42 ohms? 

    Yes  GO to  AJ25
    No  INSTALL a new electric motor. Refer to Hybrid Drive Unit .

  26. AJ25 CHECK THE MS2 AND MS4 RESOLVER RESISTANCE

    • Measure and record:
      Positive Lead Measurement / Action Negative Lead
      C1280 pin 1, component side
      GFD659137Courtesy of FORD MOTOR COMPANY
      		 C1280 pin 5, component side

    Is the resistance between 27 and 37 ohms? 

    Yes  GO to  AJ26
    No  INSTALL a new electric motor. Refer to Hybrid Drive Unit .

  27. AJ26 CHECK FOR CORRECT INVERTER SYSTEM CONTROLLER (ISC) OPERATION

    • Ignition OFF.

    • Inspect all Inverter System Controller (ISC) connectors.

    • Repair:

      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary

    • Reconnect all of the previously disconnected connectors. Make sure they seat and latch correctly.

    • Ignition ON.

    • Using a diagnostic scan tool, clear all Inverter System Controller (ISC) DTCs.

    • Using a diagnostic scan tool, retrieve all Inverter System Controller (ISC) DTCs.

    Is DTC P0C5F, P0C61, P0C62, P0C6B or P0C6C present? 

    Yes  CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern. Refer to Electric Motor . Pinpoint Test Z.
    No  The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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