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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1163 (Parking Aid) >> Diagnostic Tests >> Parking Aid >> Pinpoint Tests >> Pinpoint Test D: DTCs C1701, C1704, C1707 and C1710 - Parking Aid Sensor Circuit Fault >> PINPOINT TEST D: DTCs C1701, C1704, C1707 AND C1710 - PARKING AID SENSOR CIRCUIT FAULT

PINPOINT TEST D: DTCs C1701, C1704, C1707 AND C1710 - PARKING AID SENSOR CIRCUIT FAULT

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  1. D1 CHECK THE RECORDED DTCs FROM BOTH THE CONTINUOUS AND ON-DEMAND PAM SELF-TESTS 
    • Retrieve the recorded PAM DTCs from the continuous and on-demand self-tests.
    • Are PAM DTCs other than C1701, C1704, C1707 or C1710 recorded? 
    1. YES  : DIAGNOSE the other DTCs first. REFER to DTC Charts .
    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 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? 
    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 MONITOR THE PARKING AID PID 
    • Make sure the suspect parking aid sensor(s) is flush-mounted in the bezel.
    • Key in ON position.
    • Enter the following diagnostic mode on the diagnostic tool: PAM DataLogger
    • With the brake pedal pressed, shift the transmission into REVERSE (R) and monitor the parking aid sensor distance PIDs. The PIDs will read 255 cm (100 in) on a correctly functioning sensor.
    • Does the PID read 255 cm (100 in)? 
    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 all of the attenuation PIDs read between 0 and 16? 
    1. YES  : Go to  D6.
    2. NO  : Go to  D5.
  5. D5 INSTALL A KNOWN GOOD SENSOR 
    • Install a known good sensor for the suspect parking aid sensor.
    • Key in ON position.
    • 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  : INSTALL a new parking aid sensor. REFER toParking Aid Sensor . CLEAR the DTCs. REPEAT the self-test.
  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 . TEST the system for normal operation.
    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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