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Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 256 (Anti-Theft System - Passive Anti-Theft System (Pats), With Intelligent Access) >> Diagnosis And Testing >> Anti-Theft >> Pinpoint Tests >> Pinpoint Test B: B10D9:11, B10D9:12, B10D9:31 Or B10D9:87 >> Pinpoint Test B: B10D9:11, B10D9:12, B10D9:31 Or B10D9:87

Pinpoint Test B: B10D9:11, B10D9:12, B10D9:31 Or B10D9:87

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  1. B1 CHECK THE BACKUP TRANSCEIVER CIRCUITS FOR A SHORT TO VOLTAGE 
    • Ignition OFF.
    • Disconnect: RFA  Module C2153D.
    • Disconnect: Backup Transceiver.
    • Ignition ON.
    • Measure:
      Positive Lead Measurement/Action Negative Lead
      C3371-2  VOLTAGE Ground
      C3371-3  VOLTAGE Ground
      C3371-4  VOLTAGE Ground
      C3371-5  VOLTAGE Ground

    Is any voltage present? 

    • Yes  : REPAIR the circuit in question.
    • No  : GO to B2  .
  2. B2 CHECK THE BACKUP TRANSCEIVER CIRCUITS FOR A SHORT TO GROUND 
    • Ignition OFF.
    • Measure:
      Positive Lead Measurement/Action Negative Lead
      C3371-2  OHM Ground
      C3371-3  OHM Ground
      C3371-4  OHM Ground
      C3371-5  OHM Ground

    Are the resistances greater than 10, 000 ohms? 

    • Yes  : GO to B3  .
    • No  : REPAIR the circuit in question.
  3. B3 CHECK THE BACKUP TRANSCEIVER CIRCUITS FOR AN OPEN 
    • Measure:
      Positive Lead Measurement/Action Negative Lead
      C3371-2  OHM C2153D-11 
      C3371-3  OHM C2153D-13 
      C3371-4  OHM C2153D-12 
      C3371-5  OHM C2153D-14 

    Are the resistances less than 3 ohms? 

    • Yes  : GO to B4  .
    • No  : REPAIR the circuit in question.
  4. B4 CHECK THE BACKUP TRANSCEIVER 
    • Install a new backup transceiver. Refer to BACKUP TRANSCEIVER .
    • Connect: RFA  Module C2153D.
    • Clear the RFA  module DTCs  .
    • Using a scan tool, perform the RFA  module self-test.

    Is DTC B10D9:11, B10D9:12, B10D9:31 or B10D9:87 present? 

    • Yes  : INSTALL the original backup transceiver. GO to B5  .
    • No  : The backup transceiver was the cause of the concern.
  5. B5 CHECK FOR CORRECT RFA MODULE OPERATION 
    • Disconnect and inspect all the RFA  module connectors.
    • Repair:
      • corrosion (replace connector or terminals - clean module pins)
      • damaged or bent pins - replace terminals/pins
      • pushed-out pins - replace pins as necessary
    • Connect all the RFA  module connectors. Make sure they seat and latch correctly.
    • Operate the system and verify the concern is still present.

    Is the concern still present? 

    • Yes  : CHECK OASIS  for any applicable TSBs  . If a TSB  exists for this concern, DISCONTINUE this test and FOLLOW TSB  instructions. If no TSBs  address this concern, INSTALL a new RFA  module. REFER to REMOTE FUNCTION ACTUATOR (RFA) MODULE .
    • No  : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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