Diagnostic Test

WARNING: This page is about a different car, the 2017 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

CHECK INTELLIGENT KEY SYSTEM SYMPTOM TABLE

Check Intelligent Key system symptom table.

Refer to DIAGNOSIS PROCEDURE .

GO TO STEP 2 .

CHECK INTELLIGENT KEY-1

For Intelligent Key that cannot be used for door lock and unlock, check that the Intelligent Key belongs to the vehicle to be checked.

Does the Intelligent Key belong to the vehicle to be checked?

YES

GO TO STEP 3 .

NO

Check Intelligent Key button operation using a registered Intelligent Key that belongs to the vehicle.

CHECK INTELLIGENT KEY-2

Check the inside of the Intelligent Key for rust or corrosion by water. Simultaneously check the internal circuits for damage.

Is the inspection result normal?

YES

GO TO STEP 4 .

NO

Replace Intelligent Key.

REGISTER INTELLIGENT KEY
1. Register the Intelligent Key again.
2. Check the operation after replacement.
Is the inspection result normal?

YES

INSPECTION END

NO

GO TO STEP 5 .

REPLACE INTELLIGENT KEY
1. Replace the Intelligent Key and perform registration again.
2. Check operation after replacement.
Is the inspection result normal?

YES

INSPECTION END

NO

GO TO STEP 6 .

REPLACE BCM
1. Replace BCM. Refer to REMOVAL AND INSTALLATION .
2. Check operation after replacement.
Is the inspection result normal?

YES

INSPECTION END

NO

Check intermittent incident. Refer to INTERMITTENT INCIDENT .