With Intelligent Key System

PRE-INSPECTION FOR DIAGNOSTIC

Basic Inspection

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. Narrow down the functional area in question by performing basic inspection to identify which function is malfunctioning. The vehicle security function can operate only when the door lock and power distribution system are operating normally. Therefore, it is easy to identify any factor unique to the vehicle security system by performing the vehicle security operation check after basic inspection.

1. CHECK DOOR LOCK OPERATION

Check the door lock for normal operation with the Intelligent Key controller and door request switch.
Successful door lock operation with the Intelligent Key and request SW indicates that the remote keyless entry receiver and inside key antenna required for engine start are functioning normally.
Identify the malfunctioning point by referring to the DLK section if the door cannot be unlocked.
Can the door be locked with the Intelligent Key and door request switch?
YES- GO TO 2
NO- Intelligent Key System Symptoms.

2. CHECK ENGINE STARTING

Check that the engine starts when operating the Intelligent Key.
Does the engine start?
YES- GO TO 3
NO- Intelligent Key System/Engine Start Function Symptoms.

3. CHECK STEERING LOCK

Does the steering lock when operating door switch after switching the power supply from ON position (or ACC
position) to LOCK position?
If door switch is malfunctioning, BCM cannot lock the steering. If BCM does not detect DTC, steering lock unit is normal.
Does steering lock?
YES- GO TO 4
NO- Testing and Inspection.

4. CHECK IGNITION KNOB SWITCH OPERATION

Press ignition knob to check switch operation.
Does the combination meter display any message?
YES- GO TO 5
NO- Ignition Knob Switch Check.

5. CHECK VEHICLE SECURITY SYSTEM

Check the vehicle security system for normal operation.
The vehicle security function can operate only when the door lock and power distribution functions are operating normally.
Therefore, it is easy to identify any factor unique to the vehicle security by performing the vehicle security operation check after this basic inspection.
- Vehicle Security Operation Check.