Check that vehicle is under the condition shown in "Conditions of vehicle" before starting diagnosis, and check each symptom.
NOTE: The engine start function, door lock function, power distribution system, and NATS-IVIS/NVIS in the Intelligent Key system are closely related to each other regarding control. The vehicle security function can operate only when the door lock and power distribution system are operating normally.
Conditions of Vehicle (Operating Conditions)
1.PERFORM WORK SUPPORT
Perform "INSIDE ANT DIAGNOSIS" on Work Support of "INTELLIGENT KEY".
Refer to BCS "INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)".
>> GO TO 2.
2.PERFORM SELF-DIAGNOSIS RESULT
Perform Self-Diagnosis Result of "BCM".
Is DTC detected?
YES >> Refer to BCS "DTC Index".
NO >> GO TO 3.
3.CHECK PUSH-BUTTON IGNITION SWITCH
Check push-button ignition switch.
Refer to PCS "Component Function Check".
Is the operation normal?
YES >> GO TO 4.
NO >> Repair or replace malfunctioning parts.
4.CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection normal?
YES >> Check intermittent incident. Refer to GI "Intermittent Incident".
NO >> GO TO 1.
REMOVAL AND INSTALLATION
BCM (BODY CONTROL MODULE)
Removal and Installation
For removal and installation of the BCM (Body Control Module), refer to BCS "Removal and Installation" (WITH INTELLIGENT KEY SYSTEM) or BCS "Removal and Installation" (WITHOUT INTELLIGENT KEY SYSTEM).

Removal and Installation REMOVAL 1. Remove NATS antenna amp. Refer to SEC "Removal and Installation". 2. Release the push-button ignition switch pawls and remove the push-button igniti ...
O/D OFF indicator lamp
Component Function Check
1.CHECK O/D OFF INDICATOR LAMP FUNCTION
Check O/D OFF indicator lamp turns ON for approx. 2 seconds when ignition
switch turns ON.
Is the inspection results normal?
YES >> INSPECTION END
NO >> Go to TM "Diagnosis Procedure".
Diagnosis Procedur ...
Blower fan on signal
Component Function Check
1.CHECK BLOWER FAN ON SIGNAL
With CONSULT
Turn ignition switch ON.
Select "AIR CONDITIONER" of "BCM" using CONSULT.
Select "FAN ON SIG" in "DATA MONITOR" mode, and check status under the
following condition.
Is the inspection result normal?
YES >> I ...