Pinpoint Test O : B105A:12, B105A:14, B1A61:11, B1A61:15, B1A69:12, B1A69:14

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

O1 CHECK THE IN-VEHICLE TEMPERATURE AND HUMIDITY SENSOR CIRCUITS FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect FCIM C2402A .

Disconnect FCIM C2402B .

Disconnect In-vehicle temperature and humidity sensor C2247 .

Disconnect BCM fuse 21 (5A).

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2247-1	Courtesy of FORD MOTOR COMPANY	Ground
C2247-2	Courtesy of FORD MOTOR COMPANY	Ground
C2247-3	Courtesy of FORD MOTOR COMPANY	Ground
C2247-4	Courtesy of FORD MOTOR COMPANY	Ground
C2247-5	Courtesy of FORD MOTOR COMPANY	Ground
C2247-6	Courtesy of FORD MOTOR COMPANY	Ground

Is any voltage present?

Yes	REPAIR the circuit.

GO to O2

O2 CHECK THE IN-VEHICLE TEMPERATURE AND HUMIDITY SENSOR CIRCUITS FOR A SHORT TO GROUND

Ignition OFF.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2247-1	Courtesy of FORD MOTOR COMPANY	Ground
C2247-2	Courtesy of FORD MOTOR COMPANY	Ground
C2247-3	Courtesy of FORD MOTOR COMPANY	Ground
C2247-4	Courtesy of FORD MOTOR COMPANY	Ground
C2247-5	Courtesy of FORD MOTOR COMPANY	Ground
C2247-6	Courtesy of FORD MOTOR COMPANY	Ground

Are the resistances greater than 10, 000 ohms?

Yes

GO to O3

No	REPAIR the circuit.

O3 CHECK THE IN-VEHICLE TEMPERATURE AND HUMIDITY SENSOR CIRCUITS FOR AN OPEN

Measure:

With multifunction display

Positive Lead	Measurement / Action	Negative Lead
C2247-3	Courtesy of FORD MOTOR COMPANY	C2402A-3
C2247-5	Courtesy of FORD MOTOR COMPANY	C2402A-2

Without multifunction display

Positive Lead	Measurement / Action	Negative Lead
C2247-3	Courtesy of FORD MOTOR COMPANY	C2402A-13
C2247-5	Courtesy of FORD MOTOR COMPANY	C2402A-25

With multifunction display

Positive Lead	Measurement / Action	Negative Lead
C2247-1	Courtesy of FORD MOTOR COMPANY	C2402B-27
C2247-2	Courtesy of FORD MOTOR COMPANY	C2402B-29
C2247-4	Courtesy of FORD MOTOR COMPANY	C2402B-19

Without multifunction display

Positive Lead	Measurement / Action	Negative Lead
C2247-1	Courtesy of FORD MOTOR COMPANY	C2402A-5
C2247-2	Courtesy of FORD MOTOR COMPANY	C2402A-18
C2247-4	Courtesy of FORD MOTOR COMPANY	C2402A-21

Positive Lead	Measurement / Action	Negative Lead
C2247-6	Courtesy of FORD MOTOR COMPANY	BCM fuse 21 cavity, (component side) Courtesy of FORD MOTOR COMPANY

Are the resistances less than 3 ohms?

Yes

GO to O4

No	REPAIR the circuit.

O4 CHECK THE IN-VEHICLE TEMPERATURE AND HUMIDITY SENSOR CIRCUITS FOR A SHORT TOGETHER

Disconnect Temperature door actuator C2091 .

Disconnect Air inlet door actuator C289 .

Disconnect Air distribution door actuator C236 .

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2247-1	Courtesy of FORD MOTOR COMPANY	C2247-2
C2247-1	Courtesy of FORD MOTOR COMPANY	C2247-3
C2247-1	Courtesy of FORD MOTOR COMPANY	C2247-4
C2247-1	Courtesy of FORD MOTOR COMPANY	C2247-5
C2247-1	Courtesy of FORD MOTOR COMPANY	C2247-6
C2247-2	Courtesy of FORD MOTOR COMPANY	C2247-3
C2247-2	Courtesy of FORD MOTOR COMPANY	C2247-4
C2247-2	Courtesy of FORD MOTOR COMPANY	C2247-5
C2247-2	Courtesy of FORD MOTOR COMPANY	C2247-6
C2247-3	Courtesy of FORD MOTOR COMPANY	C2247-4
C2247-3	Courtesy of FORD MOTOR COMPANY	C2247-5
C2247-3	Courtesy of FORD MOTOR COMPANY	C2247-6
C2247-4	Courtesy of FORD MOTOR COMPANY	C2247-5
C2247-4	Courtesy of FORD MOTOR COMPANY	C2247-6
C2247-5	Courtesy of FORD MOTOR COMPANY	C2247-6

Are the resistances greater than 10, 000 ohms?

Yes

GO to O5

No	REPAIR the circuit.

O5 CHECK FOR CORRECT IN-VEHICLE TEMPERATURE AND HUMIDITY SENSOR OPERATION

Ignition OFF.

Inspect the disconnected 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 all disconnected 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	INSTALL a new in-vehicle temperature and humidity sensor. Refer to: In-Vehicle Temperature and Humidity Sensor . TEST the system for normal operation. If the concern is still present, GO to O6

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

O6 CHECK FOR CORRECT FCIM (FRONT CONTROLS INTERFACE MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all FCIM 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 all FCIM 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 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 FCIM HARDWARE TESTING .

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.