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Home >> Ford >> 2011 >> Escape Base, 2.5 7, AWD, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Warning Systems >> Parking Aid System >> Diagnosis And Testing >> Parking Aid >> Pinpoint Tests >> Pinpoint Test D: DTC B1B44:96, B1B46:96, B1B48:96 Or B1B50:96 >> Pinpoint Test D: DTC B1B44:96, B1B46:96, B1B48:96 Or B1B50:96

Pinpoint Test D: DTC B1B44:96, B1B46:96, B1B48:96 Or B1B50:96

  1. D1 CHECK THE DTCs FROM BOTH THE CONTINUOUS AND ON-DEMAND PAM SELF-TESTS 
    • Check the PAM  DTCs from the continuous and on-demand self-tests.
    • Are parking aid DTCs other than B1B44:96, B1B46:96, B1B48:96 or B1B50:96 recorded? 
    • Yes:  DIAGNOSE the other DTCs first. Refer to DTC CHARTS  in this service information.
    • No:  Go to D2  .
  2. D2 CHECK THE PARKING AID SENSOR OPERATION 
    NOTE: Make sure the area around the vehicle is clear of anything that might activate the parking aid system.
    • Clean the bumper and sensors with high-pressure water.
    • Carry out the azimuth system check. Refer to AZIMUTH SYSTEM CHECK  in this service information.
    • Carry out the elevation system check. Refer to ELEVATION SYSTEM CHECK  in this service information.
    • Does the parking aid system pass both system checks? 
    • Yes:  The system is operating correctly at this time. The concern may have been caused by a dirty or blocked parking aid sensor. CLEAR the DTCs. TEST the system for normal operation.
    • No:  Go to D3  .
  3. D3 CHECK THE REAR PARKING AID SENSOR DISTANCE PIDs 
    • Make sure the suspect parking aid sensor(s) is flush-mounted in the bezel.
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: Parking Aid PID.
    • With the brake pedal applied, shift the transaxle into REVERSE (R) and monitor the parking aid sensor distance PID. The PID reads 255 cm (8.4 ft) on a correctly functioning sensor.
    • Does the PID read 255 cm (8.4 ft)? 
    • Yes:  Go to D4  .
    • No:  Go to  D5.
  4. D4 CHECK THE PARKING AID SENSOR ATTENUATION PIDs 
    • Check the parking aid sensor attenuation PIDs.
    • Do all of the attenuation PIDs read between 0 and 16 ms? 
    • Yes:  Go to  D6.
    • No:  Go to D5  .
  5. D5 INSTALL A KNOWN GOOD SENSOR 
    • Install a known good sensor for the suspect parking aid sensor.
    • Ignition ON.
    • Clear the DTCs. Repeat the self-test. Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes:  Go to D6  .
    • No:  INSTALL a new parking aid sensor. Refer to PARKING AID SENSOR  in this service information. CLEAR the DTCs. TEST the system for normal operation.
  6. D6 CHECK FOR CORRECT PAM OPERATION 
    • Disconnect the PAM  connector.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect the PAM  connector and make sure it seats correctly.
    • Operate the system and determine if the concern is still present.
    • Is the concern still present? 
    • Yes:  INSTALL a new PAM  . Refer to PARKING AID MODULE (PAM)  in this service information. TEST the system for normal operation.
    • No:  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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