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Home >> Ford >> 2012 >> Mustang Boss 302 >> Repair and Diagnosis >> External Pages >> Different car >> Section 41 (Information Center - Instrumentation, Message Center, And Warning Chimes -- F250-F550 Super Duty) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test AV: The Key-In-Ignition Warning Chime Is Inoperative >> Pinpoint Test Av: The Key-In-Ignition Warning Chime Is Inoperative

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

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. AV1 CHECK THE SAFETY BELT WARNING CHIME OPERATION 
    • Ignition OFF.
    • Unbuckle the driver safety belt.
    • 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. AV2 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. AV3 RETRIEVE THE RECORDED DTCs FROM THE BCM SELF-TEST 
    • Check the recorded DTCs from the BCM self-test.
    • Is DTC B10F1:14 present? 
    • Yes  : GO to AV4.
    • No  : GO to  AV6.
  4. AV4 CHECK THE KEY-IN-IGNITION INPUT CIRCUIT FOR VOLTAGE 
    • Ignition OFF.
    • Insert the key into the ignition cylinder.
    • Disconnect: BCM C2280B.
    • Measure the voltage between the BCM C2280B-35, circuit CDC30 (BU/GY), harness side and ground.
      Fig 1: Measuring Voltage Between BCM C2280B-35, Circuit CDC30 (BU/GY), Harness Side And Ground
      G06065105Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : GO to  AV6.
    • No  : GO to AV5.
  5. AV5 CHECK THE IGNITION SWITCH 
    • Ignition OFF.
    • Disconnect: Ignition Switch C250.
    • Carry out the ignition switch component test. Refer to OEM COMPONENT TESTING for testing procedures.
    • Is the ignition switch OK? 
    • Yes  : REPAIR circuit CDC30 (BU/GY) for an open. CLEAR the DTCs. REPEAT the self-test.
    • No  : INSTALL a new ignition switch. REFER to STEERING COLUMN SWITCHES . CLEAR the DTCs. REPEAT the self-test.
  6. AV6 CHECK FOR CORRECT BCM OPERATION 
    • Disconnect all the BCM connectors.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect all the BCM connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes  : INSTALL a new BCM. REFER to MULTIFUNCTION ELECTRONIC MODULES . 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.
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