Pinpoint Test F: C0690:99

WARNING: This page is about a different variant/trim than selected.

Normal Operation and Fault Conditions

REFER to: Four-Wheel Drive Systems - Component Location .

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
AWD C0690:99	4WD/AWD Disconnect Clutch Actuator: Exceeded Learning Limit	The DTC will set when the AWD module detects an open circuit to the Front Axle Disconnect Actuator.

Possible Sources

Front Axle Disconnect Actuator
AWD module

F1 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) C0690:99

Ignition ON.

Using a diagnostic scan tool, perform the AWD module self-test.

Is DTC C0690:99 present?

Yes

GO to F2

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.

F2 CHECK THE FRONT AXLE DISCONNECT ACTUATOR MOTOR CIRCUITS FOR A SHORT TO GROUND

Ignition OFF.

Disconnect AWD module C2371.

Disconnect Front Axle Disconnect Actuator C1292.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2371-12	Courtesy of FORD MOTOR COMPANY	Ground
C2371-13	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance less than 3 ohms?

Yes	REPAIR the circuit.

GO to F3

F3 CHECK THE FRONT AXLE DISCONNECT ACTUATOR MOTOR CIRCUITS FOR AN OPEN.

Ignition OFF.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2371-12	Courtesy of FORD MOTOR COMPANY	C1292-1
C2371-13	Courtesy of FORD MOTOR COMPANY	C1292-2

Is the resistance less than 3 ohms?

Yes

GO to F4

No	REPAIR the circuit.

F4 CHECK THE FRONT AXLE DISCONNECT ACTUATOR CIRCUITS FOR A SHORT TOGETHER

Ignition OFF.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2371-12	Courtesy of FORD MOTOR COMPANY	C2371-13

Is the resistance less than 3 ohms?

Yes	REPAIR the circuit.

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 AWD module. RETEST the system. If the DTC returns, INSTALL a new Front Axle Disconnect Actuator. REFER to: Front Axle Disconnect Actuator .