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Home >> Ford >> 2013 >> C-Max Energi >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrumentation, Message Center & Warning Chimes >> Diagnosis and Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> The Key-In-Ignition Warning Chime Is Inoperative >> Pinpoint Test AO: The Key-In-Ignition Warning Chime Is Inoperative

Pinpoint Test AO: The Key-In-Ignition Warning Chime Is Inoperative

  1. AO1 CHECK THE SAFETY BELT WARNING CHIME OPERATION 
    • Ignition OFF.
    • Ignition ON.
    • Monitor the safety belt warning chime when the ignition switch is transitioned from OFF to RUN for 6 seconds.

    Does the safety belt warning chime operate for approximately 6 seconds? 

  2. AO2 CHECK THE INTERIOR LAMPS OPERATION 
    • Open and close the driver door.
    • Observe the interior lamps.

    Do the interior lamps operate correctly from the driver door? 

  3. AO3 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE BCM (BODY CONTROL MODULE) SELF-TEST 
    • Using a diagnostic scan tool, perform the BCM  self-test.

    Is DTC B10F1:13 present? 

    • Yes  : GO to AO4 
    • No  : GO to  AO6
  4. AO4 CHECK THE KEY-IN-IGNITION INPUT CIRCUIT FOR VOLTAGE 
    • Ignition OFF.
    • Insert the key into the ignition cylinder.
    • Disconnect BCM C2280C. 
    • Measure:
      Positive Lead Measurement/Action Negative Lead
      C2280C-46  VOLTAGE Ground

    Is the voltage greater than 11 volts? 

    • Yes  : GO to  AO6
    • No  : GO to AO5 
  5. AO5 CHECK THE IGNITION SWITCH 
    • Ignition OFF.
    • Disconnect Ignition Switch.
    • Carry out the IGNITION SWITCH  component test.

    Is the ignition switch OK? 

    • Yes  : REPAIR the key-in-ignition input circuit.
    • No  : INSTALL a new ignition switch.

      REFER to: IGNITION SWITCH .

  6. AO6 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION 
    • Ignition OFF.
    • Disconnect and inspect all BCM  connectors.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary
    • Reconnect the BCM  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 On-Line Automotive Service Information System (OASIS) for any applicable Technical Service Bulletins (TSBs). If a TSB  exists for this concern, DISCONTINUE this test and FOLLOW TSB  instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new BCM  .

      REFER to: BODY CONTROL MODULE (BCM) .

    • 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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