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Pinpoint Test AO: U0100:00

WARNING: Do not handle, move or change the original horizontal mounting position of the restraints control module (RCM) while the RCM  is connected and the ignition switch is ON. Failure to follow this instruction may result in the accidental deployment of the Safety Canopy and cause serious personal injury or death.
NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the pinpoint test.
NOTE: SRS  components should only be disconnected or reconnected when instructed to do so within a pinpoint test step. Failure to follow this instruction may result in incorrect diagnosis of the SRS  .
NOTE: Always make sure the correct SRS  component is being installed. Parts released for other vehicles may not be compatible even if they appear physically similar. Check the part number listed in Ford Catalog Advantage™ or equivalent to make sure the correct component is being installed. If an incorrect SRS  component is installed, DTCs  may set.
  1. AO1 VERIFY THE SCAN TOOL CAN COMMUNICATE WITH THE PCM 
    • Connect the scan tool.
    • Check that a vehicle session can be established using the scan tool.

    Can a vehicle session be established? 

    1. Yes  : GO to AO2  .
    2. No  : REFER to PINPOINT TEST A to diagnose no communication with the PCM  .
  2. AO2 CHECK THE OCSM CMDTCs 
    • Ignition ON.
    • Using a scan tool, perform OCSM  self-test to retrieve DTCs  .
    • Clear the DTCs  .
    • Wait 10 seconds.
    • Repeat the OCSM  self-test.

    Is DTC U0100:00 retrieved again? 

    1. Yes  : GO to AO3  .
    2. No  : The system is operating correctly at this time. The DTC  may have been set due to high network traffic or an intermittent fault condition.
  3. AO3 RETRIEVE THE RECORDED DTCs FROM THE PCM KOEO SELF-TEST 
    • Check for recorded DTCs  from the PCM  KOEO self-test.

    Is DTC P0562 or P0563 recorded? 

    1. Yes  : REFER to ELECTRONIC ENGINE CONTROLS .
    2. No  : GO to AO4  .
  4. AO4 RETRIEVE THE RECORDED DTCs FROM THE OCSM SELF-TEST 
    • Check for recorded DTCs  from the OCSM  self-test.

    Is DTC U3003:16 or U3003:17 recorded? 

    1. Yes  : GO to PINPOINT TEST Y .
    2. No  : GO to AO5  .
  5. AO5 CHECK FOR DTC U0100:00 SET IN OTHER MODULES 
    • Ignition ON.
    • Using the scan tool, perform the self-test for all modules.
    • Retrieve the CMDTCs  from all modules.

    Is DTC U0100:00 set in the ABS module or in the IPC ? 

    1. 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 PCM  . REFER to POWERTRAIN CONTROL MODULE (PCM) - 2.0L GTDI , or POWERTRAIN CONTROL MODULE - 3.5L TI-VCT, 3.7L TI-VCT .
    2. No  : 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 OCSM  . Refer to OCCUPANT CLASSIFICATION SYSTEM (OCS) SENSOR .
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