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Pinpoint Test D: DTCS C1699, C1702, C1705 And C1708 Parking Aid Sensor Circuit Short To Battery

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. D1 RETRIEVE THE RECORDED DTCS FROM BOTH THE CONTINUOUS AND ON-DEMAND PARKING AID MODULE SELF-TESTS 
    • Retrieve the recorded parking aid module DTCs from the continuous and on-demand self-tests.
    • Are any DTCs recorded? 
    1. Yes  : If multiple DTCs are recorded, GO to D2.

      For DTCs, C1699, C1702, C1705 or C1708, GO to  D3.

      All others, REFER to the PARKING AID MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX .

    2. No  : GO to PINPOINT TEST B .
  2. D2 CHECK THE BUMPER WIRING HARNESS 
    • Inspect the bumper wiring harness for opens, shorts, grounds, or corrosion.
    • Is the bumper harness OK? 
    1. Yes  : GO to D3.
    2. No  : REPAIR or INSTALL a new bumper wiring harness. REPEAT the self-test.
  3. D3 CHECK THE SENSOR CIRCUITRY FOR SHORTS TO VOLTAGE 
    • Key in OFF position.
    • Disconnect: Suspect Parking Aid Sensor.
    • Disconnect: Parking Aid Module C4014.
    • Key in ON position.
    • Measure the voltage between the suspect parking aid sensor pin 2, harness side and ground as follows:
      REAR SENSORS

      DTC Sensor Sensor Connector (Pin) Circuit
      C1699 LH Outer C4009 (2) 1441 (WH/LG)
      C1702 RH Outer C4011 (2) 1444 (DB/YE)
      C1705 LH Inner C4010 (2) 1442 (DG/WH)
      C1708 RH Inner C4012 (2) 1443 (WH/LB)
      Fig 1: Checking Sensor Circuitry For Shorts To Voltage
      G03902665Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    1. Yes  : REPAIR the circuit in question. CLEAR the DTCs. REPEAT the self-test.
    2. No  : GO to D4.
  4. D4 CHECK THE PARKING AID SENSORS 
    • Install a known good parking aid sensor(s) for each of the suspect parking aid sensor(s).
    • Clear all the DTCs.
    • Test the system for normal operation.
    • Is the concern still present? 
    1. Yes  : GO to D5.
    2. No  : INSTALL a new parking aid sensor. REFER to PARKING AID SENSOR . CLEAR the DTCs. REPEAT the self-test.
  5. D5 CHECK FOR CORRECT PARKING AID MODULE OPERATION 
    • Disconnect the parking aid module connector.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect the parking aid module 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 parking aid module. REFER to PARKING AID MODULE . 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. CLEAR the DTCs. REPEAT the self-test.
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