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Home >> Ford >> 2015 >> Escape S >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Parking Aid - Vehicles With: Rear Parking Aid >> Diagnosis And Testing >> Parking Aid >> Pinpoint Test(s) >> Pinpoint Test G : B1B36:12, B1B38:12, B1B40:12, B1B42:12 >> Pinpoint Test G : B1B36:12, B1B38:12, B1B40:12, B1B42:12

Pinpoint Test G : B1B36:12, B1B38:12, B1B40:12, B1B42:12

  1. G1 RETRIEVE THE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PAM (PARKING ASSIST CONTROL MODULE) SELF-TEST

    • Ignition ON.
    • Using a diagnostic scan tool, perform the PAM self-test.

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

    Yes  GO to  G2
    No  For Diagnostic Trouble Codes (DTCs) B1B44:12, B1B46:12, B1B48:12 or B1B50:12, GO to  G3
    For all other Diagnostic Trouble Codes (DTCs), REFER to the DTC Chart: PAM .

  2. G2 CHECK THE FRONT BUMPER WIRING HARNESS

    • Ignition OFF.
    • Inspect the front bumper wiring harness for opens, shorts, grounds, or corrosion.

    Is the front bumper wiring harness OK? 

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

  3. G3 CHECK THE FRONT PARKING AID SENSOR SIGNAL CIRCUIT(S) FOR A SHORT TO VOLTAGE

    • Ignition ON.
    • For DTC B1B36:12, measure:
      Positive Lead Measurement / Action Negative Lead
      C1431-2
      GFD48339Courtesy of FORD MOTOR COMPANY
      		 Ground
    • For DTC B1B38:12, measure:
      Positive Lead Measurement / Action Negative Lead
      C1430-2
      GFD48339Courtesy of FORD MOTOR COMPANY
      		 Ground
    • For DTC B1B40:12, measure:
      Positive Lead Measurement / Action Negative Lead
      C1428-2
      GFD48339Courtesy of FORD MOTOR COMPANY
      		 Ground
    • For DTC B1B42:12, measure:
      Positive Lead Measurement / Action Negative Lead
      C1429-2
      GFD48339Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the circuit in question.
    No  GO to  G4

  4. G4 CHECK THE REAR PARKING AID SENSOR VOLTAGE SUPPLY AND SIGNAL CIRCUITS FOR A SHORT TOGETHER

    • Ignition OFF.
    • For DTC B1B36:12, measure:
      Positive Lead Measurement / Action Negative Lead
      C1431-2
      GFD48340Courtesy of FORD MOTOR COMPANY
      		 C1431-1
    • For DTC B1B38:12, measure:
      Positive Lead Measurement / Action Negative Lead
      C1430-2
      GFD48340Courtesy of FORD MOTOR COMPANY
      		 C1430-1
    • For DTC B1B40:12, measure:
      Positive Lead Measurement / Action Negative Lead
      C1428-2
      GFD48340Courtesy of FORD MOTOR COMPANY
      		 C1428-1
    • For DTC B1B42:12, measure:
      Positive Lead Measurement / Action Negative Lead
      C1429-2
      GFD48340Courtesy of FORD MOTOR COMPANY
      		 C1429-1

    Is the resistance greater than 10, 000 ohms? 

    Yes  If all the sensor Diagnostic Trouble Codes (DTCs) are set, GO to  G5If one or more (but not all) parking aid sensor(s) recorded Diagnostic Trouble Codes (DTCs), INSTALL a new sensor(s) for the one in question. REFER to: Front Parking Aid Sensor .
    No  REPAIR the circuits in question.

  5. G5 CHECK FOR CORRECT PAM (PARKING ASSIST CONTROL MODULE) OPERATION

    • Ignition OFF.
    • Disconnect and inspect the 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new PAM. REFER to: Parking Assist Control Module (PAM) .
    No  The system is operating correctly at this time. 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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