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

WARNING: This page is about a different car, the 2019 Ford SSV Plug-in Hybrid, 2019 Ford Police Responder Hybrid, and 2019 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

BA1 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?

Yes GO to BA2

No Refer to IPC Guided Routine .

BA2 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 BA3

No REFER to: Interior Lighting .

BA3 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (DTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes REFER to: Communications Network - 2.0L Duratec - Hybrid (103kW/140PS) (UA) .

No GO to BA4

BA4 PERFORM THE BCM (BODY CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the BCM self-test.
Is DTC B10F1:14 present?

Yes GO to BA5

No GO to BA9

BA5 CHECK THE KEY-IN-IGNITION INPUT CIRCUIT FOR VOLTAGE

Ignition OFF.

Insert the key into the ignition cylinder.

Disconnect BCM C2280G.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2280G-38	Courtesy of FORD MOTOR COMPANY	Ground

Is the voltage greater than 11 volts?

Yes

GO to BA9

GO to BA6

BA6 CHECK THE KEY-IN-IGNITION INPUT CIRCUIT FOR SHORT TO GROUND

Remove the key from the ignition cylinder.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2280G-38	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance greater than 10, 000 ohms?

Yes

GO to BA7

No	REPAIR the circuit.

BA7 CHECK THE KEY-IN-IGNITION INPUT CIRCUIT FOR OPEN

Disconnect Ignition Switch C250.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2280G-38	Courtesy of FORD MOTOR COMPANY	C250-5

Is the resistance less than 3 ohms?

Yes

GO to BA8

No	REPAIR the circuit.

BA8 CHECK THE IGNITION SWITCH
- Remove the ignition switch. REFER to: Ignition Switch .
- Perform the ignition switch component test.
Is the ignition switch OK?

Yes INSTALL a new ignition lock cylinder housing. REFER to: Ignition Lock Cylinder Housing .

No INSTALL a new ignition switch. REFER to: Steering Column Multifunction Switch LH .

BA9 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the BCM and all related in-line 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 and all related in-line 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, Refer to BCM Guided Routine .

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.