1.PERFORM ECM SELF-DIAGNOSIS With CONSULT-III Perform self-diagnosis for “ENGINE”. Is any DTC detected? YES>>Check the DTC.
NO >>GO TO 2.
2.PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is DTC “U1000” detected?
YES>>CAN specification chart. Refer to Trouble Diagnosis Flow Chart.
NO>>GO TO 3.
3.CHECK AWD SOLENOID
Perform the trouble diagnosis of the AWD solenoid. Refer to Diagnosis Procedure (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace the error-detected parts.
4.CHECK ELECTRIC CONTROLLED COUPLING

1. Turn the ignition switch OFF.
2. Set the transmission to neutral. Release the parking brake.
3. Lift up the vehicle.
4. Rotate the rear propeller shaft.
5. Hold the front propeller shaft lightly.

Does the front propeller shaft rotate?
YES>>Replace electric controlled coupling for mechanical malfunction (clutch sticking etc.). Refer to Exploded View (GT-R certified NISSAN dealer).
NO>>Check each harness connector pin terminal for disconnection.