All Functions Of Intelligent Key System Do Not Operate

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Before performing the diagnosis in the following table, check "WORK FLOW". Refer to "WORK FLOW ".
Check that vehicle is under the condition shown in "Conditions of vehicle" before starting diagnosis, and check each symptom.
If the following symptoms are detected, check systems shown in the "Diagnosis/service procedure" column in this order.

Conditions of Vehicle (Operating Conditions)

"ENGINE START BY I-KEY" and "LOCK/UNLOCK BY I-KEY" are ON when setting on CONSULT-III.
All doors are closed.

SYMPTOM REFERENCE CHART

Symptom	Diagnosis/service procedure	Reference
All functions of Intelligent Key system do not operate.	1. Check BCM power supply and ground circuit.	POWER SUPPLY AND GROUND CIRCUIT
	2. Check Intelligent Key function and battery inspection.	INTELLIGENT KEY
	3. Check remote keyless entry receiver.	REMOTE KEYLESS ENTRY RECEIVER
	4. Check Intermittent Incident.	WATERPROOF CONNECTOR INSPECTION