System Description
SYSTEM
INTELLIGENT KEY SYSTEM/READY SET FUNCTION : System Description
SYSTEM DESCRIPTION
- The READY set function of Intelligent Key system makes it possible to set the vehicle to READY without using the key, based on the electronic ID verification. The electronic ID verification is performed between
BCM and Intelligent Key when the push-button ignition switch is pressed while the Intelligent Key is within the detection area of inside key antenna.
NOTE:
The driver should carry the Intelligent Key at all times.
- Intelligent Key has 2 IDs (Intelligent Key ID and NATS ID). It can perform the door lock/unlock operation and the push-button ignition switch operation when the registered Intelligent Key is carried.
- If the ID is successfully verified, when push-button ignition switch is pressed, steering lock is released (Models with steering lock unit) and the vehicle can be set to READY.
- Up to 4 Intelligent Keys can be registered (Including the standard Intelligent Key) upon request from the customer.
NOTE:
System Description for any functions other than READY
set function of Intelligent Key system.
PRECAUTIONS FOR INTELLIGENT KEY SYSTEM
The transponder (the chip for NATS ID verification) is integrated into the Intelligent Key. (For the conventional models, it is integrated into the mechanical key.) Therefore, ID verification cannot be performed by mechanical key only.
In that case, NATS ID verification can be performed when Intelligent Key backside is contacted to push-button ignition switch while brake pedal is depressed. If verification result is OK, the vehicle can be set to READY.
OPERATION WHEN INTELLIGENT KEY IS CARRIED
Models with steering lock unit
1.When the push-button ignition switch is pressed, the BCM activates the inside key antenna and transmits the request signal to the Intelligent Key.
2.The Intelligent Key receives the request signal and transmits the Intelligent Key ID signal to the BCM.
3.BCM receives the Intelligent Key ID signal via remote keyless entry receiver and verifies it with the registered ID.
4.BCM transmits the unlock signal to steering lock unit and IPDM E/R if the verification results are OK.
5.IPDM E/R turns the steering lock relay ON to supply power source to the steering lock unit.
6.The steering lock releases.
7.BCM transmits the power supply stop signal to IPDM E/R when detecting that the steering lock is in the unlock condition.
8.IPDM E/R turns the steering lock relay OFF to stop power supply to the steering lock unit.
9.BCM turns ACC relay ON and transmits the ignition power supply ON signal to IPDM E/R.
10.IPDM E/R turns the ignition relay ON to start the ignition power supply.
11.BCM detects that the selector lever position and brake pedal operating condition.
12.BCM transmits READY signal to HPCM if BCM judges that the READY set condition* is satisfied.
*: For READY set condition, refer to "READY SET CONDITION TABLE BY PUSH-BUTTON IGNITION
SWITCH OPERATION" below.
CAUTION:
- If a malfunction is detected in the Intelligent Key system, "I-KEY system fault" on information display appears. In this case, BCM does not transmits READY signal.
- When the Intelligent Key is carried outside of the vehicle (inside key antenna detection area)
while the ignition switch position is ACC or ON, BCM does not transmits READY signal even if
READY set condition* is satisfied.
13.When BCM receives feedback signal from HPCM indicating that the vehicle is set to READY, BCM stops transmitting READY.
Models without steering lock unit
1.When the push-button ignition switch is pressed, the BCM activates the inside key antenna and transmits the request signal to the Intelligent Key.
2.The Intelligent Key receives the request signal and transmits the Intelligent Key ID signal to the BCM.
3.BCM receives the Intelligent Key ID signal via remote keyless entry receiver and verifies it with the registered ID.
4.BCM turns ACC relay ON and transmits the ignition power supply ON signal to IPDM E/R.
5.IPDM E/R turns the ignition relay ON to start the ignition power supply.
6.BCM detects that the selector lever position and brake pedal operating condition.
7.BCM transmits READY signal to HPCM if BCM judges that the READY set condition* is satisfied.
*: For READY set condition, refer to "READY SET CONDITION TABLE BY PUSH-BUTTON IGNITION
SWITCH OPERATION" below.
CAUTION:
- If a malfunction is detected in the Intelligent Key system, "I-KEY system fault" on information display appears. In this case, BCM does not transmits READY signal.
- When the Intelligent Key is carried outside of the vehicle (inside key antenna detection area)
while the ignition switch position is ACC or ON, BCM does not transmits READY signal even if
READY set condition* is satisfied.
8.When BCM receives feedback signal from HPCM indicating that the vehicle is set to READY, BCM stops transmitting READY.
OPERATION RANGE
Vehicle can be set to READY when Intelligent Key is inside the vehicle. However, sometimes vehicle may not be set to READY when Intelligent Key is on instrument panel or in glove box.
READY SET OPERATION WHEN INTELLIGENT KEY IS CONTACTED TO PUSH-BUTTON IGNITION SWITCH
When Intelligent Key battery is discharged, NATS ID verification between transponder in Intelligent Key and
BCM is performed when Intelligent Key backside is contacted to push-button ignition switch while brake pedal is depressed. If the verification result is OK, vehicle can be set to READY.
STEERING LOCK OPERATION (MODELS WITH STEERING LOCK UNIT)
Steering is locked by steering lock unit when any of the following conditions is met.
- When ignition switch is in the OFF position, selector lever is in the P position, and any of the following conditions are met.
- Closing door
- Opening door
- Door is locked using door request switch
- Door is locked using Intelligent Key
- When BCM power consumption control system is released by meeting any of the following conditions.
- Opening any door
- Operating door lock using door request switch
- Operating door lock using Intelligent Key
READY SET CONDITION TABLE BY PUSH-BUTTON IGNITION SWITCH OPERATION
The vehicle can be set to READY by the following operations.
NOTE:
- When an Intelligent Key is within the detection area of inside key antenna and when Intelligent Key backside is contacted to push-button ignition switch, it is equivalent to the operations below.
- When setting the vehicle to READY, the BCM monitors the following conditions.
- Brake pedal operating condition
- Selector lever position
- Vehicle speed
Vehicle speed: less than 4 km/h (2.5 MPH)
Vehicle speed: 4 km/h (2.5 MPH) or more
