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Pinpoint Test E: DTC B1299

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.
NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
  1. E1 CHECK THE BUMPER WIRING HARNESS 
    • Inspect the bumper wiring harness for opens, shorts, grounds, or corrosion.
    • Is the bumper wiring harness OK? 
    • Yes:  GO to E2  .
    • No:  REPAIR or INSTALL a new bumper wiring harness.

      CLEAR the DTCs. TEST the system for normal operation.

  2. E2 CHECK THE LH OUTER SENSOR FOR AN INTERNAL SHORT 
    • Ignition OFF.
    • Disconnect: Parking Aid Sensor C4009.
    • Ignition ON.
    • Clear the DTCs. Repeat the on-demand self-test.
    • Is DTC B1299 still present? 
    • Yes:  GO to E3  .
    • No:  INSTALL a new LH outer parking aid sensor. REFER to PARKING AID SENSOR . CLEAR the DTCs. TEST the system for normal operation.
  3. E3 CHECK THE RH OUTER SENSOR FOR AN INTERNAL SHORT 
    • Ignition OFF.
    • Disconnect: Parking Aid Sensor C4011.
    • Ignition ON.
    • Clear the DTCs. Repeat the on-demand self-test.
    • Is DTC B1299 still present? 
    • Yes:  GO to E4  .
    • No:  INSTALL a new RH outer parking aid sensor. REFER to PARKING AID SENSOR . CLEAR the DTCs. TEST the system for normal operation.
  4. E4 CHECK THE LH INNER SENSOR FOR AN INTERNAL SHORT 
    • Ignition OFF.
    • Disconnect: Parking Aid Sensor C4010.
    • Ignition ON.
    • Clear the DTCs. Repeat the on-demand self-test.
    • Is DTC B1299 still present? 
    • Yes:  GO to E5  .
    • No:  INSTALL a new LH inner parking aid sensor. REFER to PARKING AID SENSOR . CLEAR the DTCs. TEST the system for normal operation.
  5. E5 CHECK THE RH INNER SENSOR FOR AN INTERNAL SHORT 
    • Ignition OFF.
    • Disconnect: Parking Aid Sensor C4012.
    • Ignition ON.
    • Clear the DTCs. Repeat the on-demand self-test.
    • Is DTC B1299 still present? 
    • Yes:  GO to E6  .
    • No:  INSTALL a new RH inner parking aid sensor. REFER to PARKING AID SENSOR . CLEAR the DTCs. TEST the system for normal operation.
  6. E6 CHECK THE PARKING AID SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Disconnect: PAM  C4014.
    • Measure the resistance between the PAM  C4014-9, circuit LMP07 (BU/WH), harness side and ground.
      Fig 1: Measuring Resistance Between PAM C4014-9, Circuit LMP07 (BU/WH), Harness Side And Ground
      G06098926Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to E7  .
    • No:  REPAIR the circuit in question. CLEAR the DTCs.

      TEST the system for normal operation.

  7. E7 CHECK THE PARKING AID SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO THE PARKING AID SENSOR GROUND CIRCUIT 
    • Ignition OFF.
    • Measure the resistance between the PAM  C4014-9, circuit LMP07 (BU/WH), harness side and the PAM  C4014-12, circuit RMP07 (GN/WH).
      Fig 2: Measuring Resistance Between PAM C4014-9, Circuit LMP07 (BU/WH) And PAM C4014-12, Circuit RMP07 (GN/WH)
      G06098927Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to E8  .
    • No:  REPAIR the circuit in question. CLEAR the DTCs. TEST the system for normal operation.
  8. E8 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. CLEAR the DTCs. TEST the system for normal operation.
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