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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Parking Aid System >> Diagnosis And Testing >> Parking Aid >> Pinpoint Tests >> Pinpoint Test D: DTCs C1701, C1704 And C1707 >> PINPOINT TEST D: DTCs C1701, C1704 AND C1707

PINPOINT TEST D: DTCs C1701, C1704 AND C1707

  1. D1 CHECK THE DTCs FROM THE PAM SELF-TESTS 
    • Check the PAM DTCs from the continuous and on-demand self-tests.
    • Are parking aid DTCs other than C1701, C1704 or C1707 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 can 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. REPEAT the self-test.
      • 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.
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: PAM DataLogger.
    • With the brake pedal applied, shift the transmission into REVERSE (R) and monitor the parking aid sensor distance PID. The PID will read 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 CHECK THE PARKING AID SENSORS 
    • Install a new 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:  The cause of the concern was an inoperative parking aid sensor. The system is now operating correctly.
  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)  . REPEAT the self-test.
      • 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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