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Home >> Ford >> 2022 >> E-Transit Van Cargo Extended >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Parking Aid - Vehicles With: Rear Parking Aid >> Diagnosis And Testing >> Parking Aid >> Pinpoint Test(s) >> Pinpoint Test G: B1B46:08, B1B46:31 And B1B46:1F

Pinpoint Test G: B1B46:08, B1B46:31 And B1B46:1F

  1. NOTE: Before disconnecting the PAM or IPMB (for vehicles with 360 degree view camera) or any of the parking aid sensors, verify the connectors are properly seated and latched.

    Refer to Parking Aid for schematic and connector information.

    Normal Operation and Fault Conditions 

    REFER to: Parking Aid - System Operation and Component Description .

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    IPMB B1B46:08 Right Rear Inner Sensor: Bus Signal/Message Failures A continuous and on-demand DTC that sets in the IPMB when there is a message failure on the LIN for the RHR inner parking aid sensor.
    PAM B1B46:08 Right Rear Inner Sensor: Bus Signal/Message Failures A continuous and on-demand DTC that sets in the PAM when there is a message failure on the LIN for the RHR inner parking aid sensor.
    PAM B1B46:31 Right Rear Inner Sensor: No Signal A continuous and on-demand DTC that sets in the PAM when no signal is received on the LIN for the RHR inner parking aid sensor.
    PAM B1B46:1F Right Rear Inner Sensor: Circuit Intermittent A continuous and on-demand DTC that sets in the PAM when an intermittent fault is detected on the LIN for the RHR inner parking aid sensor.

    Possible Sources 

    • Wiring, terminals or connectors
    • RHR inner parking aid sensor
    • PAM (vehicles without 360 degree view camera)
    • IPMB (vehicles with 360 degree view camera)

  2. G1 CHECK THE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PAM (PARKING ASSIST CONTROL MODULE) OR IPMB (IMAGE PROCESSING MODULE B) (FOR VEHICLES WITH 360 DEGREE VIEW CAMERA) SELF-TEST

    • Ignition ON.

    • Using a diagnostic scan tool, perform the PAM or IPMB (for vehicles with 360 degree view camera) self-test.

    • Check the parking aid Diagnostic Trouble Codes (DTCs) from the self-test.

    Are Diagnostic Trouble Codes (DTCs) for multiple rear parking aid sensors recorded? 

    Yes  GO to  G2
    No  * For Diagnostic Trouble Codes (DTCs) B1B46:08, B1B46:31 or B1B46:1F GO to  G3
    * For all other PAM Diagnostic Trouble Codes (DTCs), REFER to the PAM DTC Chart in this information. Refer to Diagnostic Trouble Code (DTC) Chart 

  3. G2 CHECK THE REAR BUMPER WIRING HARNESS

    • Inspect the rear bumper wiring harness for opens, shorts, grounds or corrosion.

    Is the rear bumper wiring harness OK? 

    Yes  GO to  G3
    No  REPAIR or INSTALL a new rear bumper wiring harness.

  4. G3 CHECK FOR VOLTAGE TO THE SENSOR

    • Ignition OFF.

    • Disconnect RHR inner parking aid sensor C4012 .

    • Ignition ON.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C4012-1
      GFD640081Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the voltage greater than 9 volts? 

    Yes  GO to  G4
    No  REPAIR the circuit.

  5. G4 CHECK FOR GROUND AT THE SENSOR

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C4012-1
      GFD640081Courtesy of FORD MOTOR COMPANY
      		 C4012-3

    Is the voltage greater than 9 volts? 

    Yes  GO to  G5
    No  REPAIR the circuit.

  6. G5 CHECK THE SENSOR FOR A SHORT TO GROUND

    • Ignition OFF.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C4012-2
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  G6
    No  REPAIR the circuit.

  7. G6 CHECK THE SENSOR FOR A SHORT TO POWER

    • Disconnect PAM C3267A (vehicles without 360 degree view camera).

    • Disconnect IPMB C3676B (vehicles with 360 degree view camera).

    • Ignition ON.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C4012-2
      GFD640081Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the affected circuits.
    No  GO to  G7

  8. G7 CHECK THE SENSOR FOR A SHORT TO VREF OR SIGNAL RETURN CIRCUITS

    • Ignition OFF.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C4012-2
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 C4012-1
      C4012-2
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 C4012-3

    Are the resistances greater than 10, 000 ohms? 

    Yes  GO to  G8
    No  REPAIR the affected circuits.

  9. G8 CHECK THE SENSOR CIRCUITS FOR AN OPEN

    • Ignition OFF.

    • Measure:

      For vehicles without 360 degree view camera 

      Positive Lead Measurement / Action Negative Lead
      C4012-1
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 C3267A-3
      C4012-2
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 C3267A-15
      C4012-3
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 C3267A-10

      For vehicles with 360 degree view camera 

      Positive Lead Measurement / Action Negative Lead
      C4012-1
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 C3676B-17
      C4012-2
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 C3676B-10
      C4012-3
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 C3676B-18

    Are the resistances less than 3 ohms? 

    Yes  GO to  G9
    No  REPAIR the affected circuit.

  10. G9 INSTALL A KNOWN GOOD SENSOR

    • Connect PAM C3267A (vehicles without 360 degree view camera).

    • Connect IPMB C3676B (vehicles with 360 degree view camera).

    • Ignition ON.

    • Using a diagnostic scan tool, clear the PAM or IPMB (for vehicles with 360 degree view camera) Diagnostic Trouble Codes (DTCs) and repeat the self-test.

    Is DTC B1B46:08, B1B46:31 or B1B46:1F still present? 

    Yes  For vehicles without 360 degree view camera, GO to  G10 For vehicles with 360 degree view camera, GO to  G11
    No  INSTALL a new RHR outer parking aid sensor. REFER to: Rear Parking Aid Sensor .

  11. G10 CHECK FOR CORRECT PAM (PARKING ASSIST CONTROL MODULE) OPERATION

    • Ignition OFF.

    • Disconnect and inspect all PAM 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 the PAM connectors. Make sure they seat and latch correctly.

    • Operate the system and determine if the concern is still present.

    Is the concern still 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, INSTALL a new PAM. REFER to: Parking Assist Control Module (PAM) .
    No  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

  12. G11 CHECK FOR CORRECT IPMB (IMAGE PROCESSING MODULE B) OPERATION

    • Ignition OFF.

    • Disconnect and inspect all IPMB 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 the IPMB connectors. Make sure they seat and latch correctly.

    • Operate the system and determine if the concern is still present.

    Is the concern still 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, INSTALL a new IPMB. REFER to: Image Processing Module B (IPMB) in the appropriate service information.
    No  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
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