Pinpoint Test E : Suspension Height Sensor Electrical Faults

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.

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

E1 CHECK THE VDM DTCs

Ignition ON.

NOTE: If both types of faults are present (XXXXX:11 and XXXXX:12), diagnose the XXXXX:12 fault(s) first.

Using a diagnostic scan tool, carry out the VDM self-test.

Is DTC C1A03:12, C1A04:12, C1A05:12, C1A06:12, U200D:12 or U200E:12 present?

Yes	GO to E2.
No	If DTC C1A03:11, C1A04:11, C1A05:11, C1A06:11, U200D:11 or U200E:11 is present, GO to E3.For all other VDM DTCs, GO to the DTC Chart: VDM .

E2 CHECK THE HEIGHT SENSOR CIRCUITS FOR A SHORT TO BATTERY

NOTE: Voltage and ground circuits are shared between both front height sensors and both rear height sensors. Disconnect front and rear height sensors in pairs for circuit testing.

Ignition OFF.

Disconnect VDM C3672A .

Disconnect VDM C3672B .

Disconnect the suspect height sensor electrical connectors (both front sensors or both rear sensors).

Ignition ON.

For the left front height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-12	Courtesy of FORD MOTOR COMPANY	Ground
C3672B-15	Courtesy of FORD MOTOR COMPANY	Ground
C3672B-17	Courtesy of FORD MOTOR COMPANY	Ground

For the right front height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-15	Courtesy of FORD MOTOR COMPANY	Ground
C3672B-17	Courtesy of FORD MOTOR COMPANY	Ground
C3672B-22	Courtesy of FORD MOTOR COMPANY	Ground

For the left rear height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-9	Courtesy of FORD MOTOR COMPANY	Ground
C3672A-12	Courtesy of FORD MOTOR COMPANY	Ground
C3672A-15	Courtesy of FORD MOTOR COMPANY	Ground

For the right rear height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-9	Courtesy of FORD MOTOR COMPANY	Ground
C3672A-15	Courtesy of FORD MOTOR COMPANY	Ground
C3672A-22	Courtesy of FORD MOTOR COMPANY	Ground

Is any voltage present?

Yes	INSPECT connectors C211 and C314 for corrosion, pushed out pins, bent pins and spread terminals. REPAIR as necessary. If the connectors are OK, REPAIR the circuit.
No	GO to E3.

E3 CHECK THE HEIGHT SENSOR CIRCUITS FOR A SHORT TO GROUND

NOTE: Voltage and ground circuits are shared between both front height sensors and both rear height sensors. Disconnect front and rear height sensors in pairs for circuit testing.

Ignition OFF.

Disconnect VDM C3672A (if not previously disconnected).

Disconnect VDM C3672B (if not previously disconnected).

Disconnect the suspect height sensor electrical connectors (both front sensors or both rear sensors) (if not previously disconnected).

For the left front height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-12	Courtesy of FORD MOTOR COMPANY	Ground
C3672B-15	Courtesy of FORD MOTOR COMPANY	Ground
C3672B-17	Courtesy of FORD MOTOR COMPANY	Ground

For the right front height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-15	Courtesy of FORD MOTOR COMPANY	Ground
C3672B-17	Courtesy of FORD MOTOR COMPANY	Ground
C3672B-22	Courtesy of FORD MOTOR COMPANY	Ground

For the left rear height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-9	Courtesy of FORD MOTOR COMPANY	Ground
C3672A-12	Courtesy of FORD MOTOR COMPANY	Ground
C3672A-15	Courtesy of FORD MOTOR COMPANY	Ground

For the right rear height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-9	Courtesy of FORD MOTOR COMPANY	Ground
C3672A-15	Courtesy of FORD MOTOR COMPANY	Ground
C3672A-22	Courtesy of FORD MOTOR COMPANY	Ground

Are the resistance greater than 10, 000 ohms?

Yes	GO to E4.
No	INSPECT connectors C211 and C314 for corrosion, pushed out pins, bent pins and spread terminals. REPAIR as necessary. If the connectors are OK, REPAIR the circuit.

E4 CHECK THE HEIGHT SENSOR CIRCUITS FOR AN OPEN

For the left front height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-12	Courtesy of FORD MOTOR COMPANY	C1153-1
C3672B-15	Courtesy of FORD MOTOR COMPANY	C1153-3
C3672B-17	Courtesy of FORD MOTOR COMPANY	C1153-2

For the right front height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-15	Courtesy of FORD MOTOR COMPANY	C1151-3
C3672B-17	Courtesy of FORD MOTOR COMPANY	C1151-2
C3672B-22	Courtesy of FORD MOTOR COMPANY	C1151-1

For the left rear height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-9	Courtesy of FORD MOTOR COMPANY	C4092-3
C3672A-12	Courtesy of FORD MOTOR COMPANY	C4092-1
C3672A-15	Courtesy of FORD MOTOR COMPANY	C4092-2

For the right rear height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C3672B-9	Courtesy of FORD MOTOR COMPANY	C4093-3
C3672A-15	Courtesy of FORD MOTOR COMPANY	C4093-2
C3672A-22	Courtesy of FORD MOTOR COMPANY	C4093-1

Are the resistances less than 3 ohms?

Yes	GO to E5.
No	INSPECT connectors C211 and C314 for corrosion, pushed out pins, bent pins and spread terminals. REPAIR as necessary. If the connectors are OK, REPAIR the circuit.

E5 CHECK THE HEIGHT SENSOR CIRCUITS FOR A SHORT TOGETHER

Ignition OFF.

For the left front height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C1153-1	Courtesy of FORD MOTOR COMPANY	C1153-2
C1153-1	Courtesy of FORD MOTOR COMPANY	C1153-3
C1153-2	Courtesy of FORD MOTOR COMPANY	C1153-3

For the right front height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C1151-1	Courtesy of FORD MOTOR COMPANY	C1151-2
C1151-1	Courtesy of FORD MOTOR COMPANY	C1151-3
C1151-2	Courtesy of FORD MOTOR COMPANY	C1151-3

For the left rear height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C4092-1	Courtesy of FORD MOTOR COMPANY	C4092-2
C4092-1	Courtesy of FORD MOTOR COMPANY	C4092-3
C4092-2	Courtesy of FORD MOTOR COMPANY	C4092-3

For the right rear height sensor, measure:

Positive Lead	Measurement / Action	Negative Lead
C4093-1	Courtesy of FORD MOTOR COMPANY	C4093-2
C4093-1	Courtesy of FORD MOTOR COMPANY	C4093-3
C4093-2	Courtesy of FORD MOTOR COMPANY	C4093-3

Are the resistances greater than 10, 000 ohms?

Yes	INSTALL a new height sensor. REFER to Suspension Height Sensor - Front or Suspension Height Sensor - Rear .
No	GO to E6.

E6 CHECK FOR CORRECT VDM OPERATION

Ignition OFF.

Inspect the VDM C3672A and C3672B .

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

Connect VDM C3672A and C3672B . 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 the TSB instructions. If no TSBs address this concern, INSTALL a new VDM. REFER to Vehicle Dynamics Module (VDM) .
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.