Pinpoint Test BC : The Key-In-Ignition Warning Chime Is Inoperative
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
- BC1 CHECK THE SAFETY BELT WARNING CHIME OPERATION
- Ignition OFF.
- Ignition ON.
- Monitor the safety belt warning chime when the ignition is transitioned from OFF to RUN.
Does the safety belt warning chime operate for approximately 6 seconds?
Yes GO to BC2. No - BC2 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?
Yes GO to BC3. No REFER to Interior Lighting . - BC3 PERFORM THE BCM SELF-TEST
- Using a diagnostic scan tool, perform the BCM self-test.
Is DTC B10F1:14 present?
Yes GO to BC4. No GO to BC6. - BC4 CHECK THE KEY-IN-IGNITION INPUT CIRCUIT FOR VOLTAGE
- Ignition OFF.
- Insert the key into the ignition cylinder.
- Disconnect: BCM C2280B .
- Measure:
Positive Lead Measurement / Action Negative Lead C2280B-34 Ground
Is the voltage greater than 11 volts?
Yes GO to BC6. No GO to BC5. - BC5 CHECK THE IGNITION SWITCHNOTE: Make sure there is no mechanical damage between the ignition lock cylinder and the ignition switch preventing the key-in-ignition switch to not engage.
- Ignition OFF.
- Disconnect: Ignition Switch.
- Carry out the ignition switch component test. Refer to Component Testing .
Is the ignition switch OK?
Yes REPAIR the circuit. No INSTALL a new ignition switch. REFER to Steering Column Switches . - BC6 CHECK FOR CORRECT BCM 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 determine if 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, BCM Hardware Testing . 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.