Diagnosis Procedure

Check Intelligent Key system symptom table.

Refer to Diagnosis Procedure .

GO TO 2.

Check that the Intelligent Key low battery warning operates.

Is the Intelligent Key low battery warning operated?

YES

GO TO 3.

NO

Replace Intelligent Key battery. Refer to Removal and Installation .

Check the Intelligent Key battery.

Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 4.

NO

Replace Intelligent Key battery. Refer to Removal and Installation .

Select "Self Diagnostic Result" mode of "BCM", and check if DTC "B26FF" is detected.

Is DTC "B26FF" detected?

YES

Perform the trouble diagnosis for detected DTC.

NO

GO TO 5.

1. If the vehicle is equipped with any interference-generating aftermarket device such as a vehicle security system, charger and remote engine starter etc., remove them.
2. Check operation after replacement.

Is the inspection result normal?

YES

INSPECTION END

NO

GO TO 6.

Check remote keyless entry receiver.

Refer to Component Function Check .

Is the inspection result normal?

YES

GO TO 7.

NO

Repair or replace the malfunctioning parts.

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 .