Pinpoint Test I : The Instrument Panel Cluster (IPC) Does Not Respond To The Diagnostic Scan Tool

WARNING: This page is about a different car, the 2016 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.

I1 CHECK THE HS-CAN3 (HIGH SPEED-CONTROLLER AREA NETWORK 3) TERMINATION RESISTANCE

Ignition OFF.

Disconnect negative battery cable.

Disconnect the diagnostic scan tool cable from the DLC.

Disconnect GWM C2431

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2431-16	Courtesy of FORD MOTOR COMPANY	C2431-15

Is the resistance between 108 and 132 ohms?

Yes

GO to I3

GO to I2

I2 CHECK THE HS-CAN3 (HIGH SPEED-CONTROLLER AREA NETWORK 3) CIRCUITS BETWEEN THE IPC (INSTRUMENT PANEL CLUSTER) AND THE GWM (GATEWAY MODULE A) FOR AN OPEN

Disconnect IPC C220

Measure:

Positive Lead	Measurement / Action	Negative Lead
C220-25	Courtesy of FORD MOTOR COMPANY	C2431-16
C220-26	Courtesy of FORD MOTOR COMPANY	C2431-15

Are the resistances less than 3 ohms?

Yes

GO to I5

No	REPAIR the circuit in question.

I3 CHECK THE IPC (INSTRUMENT PANEL CLUSTER) VOLTAGE SUPPLY CIRCUIT

Disconnect: IPC C220 .

Connect negative battery cable.

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C220-21	Courtesy of FORD MOTOR COMPANY	Ground

Is the voltage greater than 11 volts?

Yes

GO to I4

No	VERIFY the BCM fuse 13 (7.5A) is OK. If OK, REPAIR the circuit. If not OK, REFER to OEM Electrical Wiring Diagram Introduction .

I4 CHECK THE IPC (INSTRUMENT PANEL CLUSTER) GROUND CIRCUIT

Ignition OFF.

Disconnect negative battery cable.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C220-5	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance less than 3 ohms?

Yes	CONNECT negative battery cable. GO to I5

No	REPAIR the circuit.

I5 CHECK FOR CORRECT IPC (INSTRUMENT PANEL CLUSTER) OPERATION

Ignition OFF.

Disconnect and inspect the IPC connector and 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 IPC connector and related in-line 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 IPC 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.