Pinpoint Test P : The Heated Wiper Park Feature Is Inoperative

WARNING: This page is about a different car, the 2018 Lincoln Navigator. 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.

NOTE: The following Pinpoint Test uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

NOTE: The heated wiper park does not operate at ambient temperatures above 21° C (70° F). The following pinpoint test needs to be carried out when the ambient air temperature is lower than 21° C (70° F).

P1 CHECK THE REAR WINDOW DEFROST OPERATION
- Start the vehicle.
- Activate the rear window defrost.
Does the rear window defrost operate?

Yes GO to P2.

No REFER to: Glass, Frames and Mechanisms .

P2 CHECK THE HEATED WIPER PARK RELAY COIL CONTROL OF THE FCIM (FRONT CONTROLS INTERFACE MODULE)

Ignition OFF.

Disconnect BJB C1035C .

Connect:

Lead 1	Measurement / Action	Lead 2
C1035C-24	Courtesy of FORD MOTOR COMPANY	Courtesy of FORD MOTOR COMPANY Battery Positive

Start the vehicle.

Activate the rear window defrost.

Does the test lamp illuminate when the rear window defrost is activated?

Yes

GO to P5.

GO to P3.

P3 CHECK THE HEATED WIPER PARK RELAY COIL CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect FCIM C2402B .

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2402B-12	Courtesy of FORD MOTOR COMPANY	Ground

Is any voltage present?

Yes	REPAIR the circuit.

GO to P4.

P4 CHECK THE HEATED WIPER PARK RELAY COIL CIRCUIT FOR AN OPEN

Ignition OFF.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2402B-12	Courtesy of FORD MOTOR COMPANY	C1035C-24

Is the resistance less than 3 ohms?

Yes

GO to P8.

No	REPAIR the circuit.

P5 CHECK FOR VOLTAGE TO THE WINDSHIELD

Ignition OFF.

Connect BJB C1035C .

Disconnect Windshield C1788 .

Connect:

Lead 1	Measurement / Action	Lead 2
C1788-2	Courtesy of FORD MOTOR COMPANY	Ground

Start the vehicle.

Activate the rear window defrost.

Does the test lamp illuminate when the rear window defrost is activated?

Yes

GO to P6.

GO to P7.

P6 CHECK THE WINDSHIELD HEATED WIPER PARK GROUND CIRCUIT FOR AN OPEN

Connect:

Lead 1	Measurement / Action	Lead 2
C1788-2	Courtesy of FORD MOTOR COMPANY	C1788-1

Start the vehicle.

Activate the rear window defrost.

Does the test lamp illuminate when the rear window defrost is activated?

Yes	INSTALL a new windshield.

No	REPAIR the circuit.

P7 CHECK THE HEATED WIPER PARK RELAY OUTPUT CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect BJB C1035D .

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1788-2	Courtesy of FORD MOTOR COMPANY	C1035D-30

Is the resistance less than 3 ohms?

Yes	INSTALL a new BJB.

No	REPAIR the circuit.

P8 CHECK FOR CORRECT FCIM (FRONT CONTROLS INTERFACE MODULE) OPERATION

Disconnect and inspect all the FCIM connectors.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect all the FCIM connectors. Make sure they seat and latch correctly.

Reconnect all the BJB 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 service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new FCIM. REFER to FRONT CONTROLS INTERFACE MODULE (FCIM) .

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.