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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1764 (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

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  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? 
    1. Yes  : DIAGNOSE the other DTCs first. REFER to DTC CHARTS  in this service information.
    2. 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  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? 
    1. 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.
    2. 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)? 
    1. Yes  : GO to D4.
    2. 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? 
    1. Yes  : GO to  D6.
    2. 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? 
    1. Yes  : GO to D6.
    2. 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? 
    1. Yes  : INSTALL a new PAM. REFER to PARKING AID MODULE (PAM)  in this service information. REPEAT the self-test.
    2. 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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