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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2022 (Parking Aid System) >> Diagnosis And Testing >> Parking Aid >> Pinpoint Tests >> Pinpoint Test D: DTCs C1701, C1704, C1707 And C1710 >> PINPOINT TEST D: DTCs C1701, C1704, C1707 AND C1710

PINPOINT TEST D: DTCs C1701, C1704, C1707 AND C1710

WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
  1. D1 CHECK THE DTCs FROM THE PAM SELF-TEST 
    • Check the PAM  DTCs from the self-test.
    • Are parking aid DTCs other than C1701, C1704, C1707 and C1710 recorded? 
    • Yes:  DIAGNOSE the other DTCs first. REFER to DTC CHARTS .
    • 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 rear bumper and sensors with high-pressure water.
    • Carry out the azimuth system check. Refer to AZIMUTH SYSTEM CHECK .
    • Carry out the elevation system check. Refer to ELEVATION SYSTEM CHECK .
    • 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 PARKING AID SENSOR DISTANCE PIDs 
    • Make sure the suspect parking aid sensor(s) is flush-mounted in the bezel.
    • Enter the following diagnostic mode on the scan tool: PAM  PID.
    • With the brake pedal applied, shift the transmission 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 the attenuation PIDs read between 0 and 16 ms? 
    • Yes:  GO to  D6.
    • No:  GO to D5  .
  5. D5 INSTALL A KNOWN GOOD SENSOR 
    • Ignition OFF.
    • 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 for the one in question. REFER to PARKING AID SENSOR . 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) . 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. TEST the system for normal operation.
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