Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Heavy tight-corner braking symptom occurs when the vehicle is driven and the steering wheel is turned fully to either side after the engine is started.

NOTE: Light tight-corner braking symptom may occur depending on driving conditions. This is not malfunction.

PERFORM ECM SELF-DIAGNOSIS
With CONSULT

Perform self-diagnosis for "ENGINE".

Is any DTC detected?

YES

Check the DTC. Refer to DTC Index .

NO

GO TO 2.
PERFORM SELF-DIAGNOSIS
With CONSULT

Perform self-diagnosis for "ALL MODE AWD/4WD".

Is DTC "U1000" detected?

YES

Proceed to Trouble Diagnosis Flow Chart .

NO

GO TO 3.
CHECK AWD SOLENOID
Perform the trouble diagnosis of the AWD solenoid. Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

GO TO 4.

NO

Repair or replace the error-detected parts.
CHECK ELECTRIC CONTROLLED COUPLING
1. Turn the ignition switch OFF.
2. Set the transaxle to neutral. Release the parking brake.
3. Lift up the vehicle.
4. Rotate the propeller shaft by hand.
5. Hold rear wheel of right and left lightly.
Does rear wheel rotate?

YES

Replace electric controlled coupling for mechanical malfunction (clutch sticking etc.). Refer to Removal and Installation .

NO

Check each harness connector pin terminal for disconnection.