The vehicle’s keys have built-in transponder chips that prevent the engine from starting if the key has not been previously registered in the vehicle’s on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.

Vehicles with smart key system:
The indicator light flashes after the “ENGINE START STOP” switch has been turned off to indicate that the system is operating.
The indicator light stops flashing after the “ENGINE START STOP” switch has been turned to ACCESSORY or IGNITION ON mode to indicate that the system has been canceled.
Vehicles without smart key system:
The indicator light flashes after the key has been removed from the engine switch to indicate that the system is operating.
The indicator light stops flashing after the registered key has been inserted into the engine switch to indicate that the system has been canceled.
- System maintenance
The vehicle has a maintenance-free type engine immobilizer system.
- Conditions that may cause the system to malfunction
• If the key is in contact with a metallic object.
• If the key is in close proximity to or touching a key to the security system (key with a built-in transponder chip) of another vehicle.
- Certifications for the engine immobilizer system
• For vehicles sold in the U.S.A.
►Vehicles with smart key system FCC ID: NI4TMIMB-1
►Vehicles without smart key system FCC ID: MOZRI-21BTY
NOTE:
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
• For vehicles sold in Canada Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
NOTICE
- To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation of the system cannot be guaranteed.
AlarmShort in Front Pretensioner Squib RH Circuit (B1900/73-B1903/73)
DESCRIPTION
The front pretensioner squib RH circuit consists of the center airbag sensor
assembly and front seat outer belt assembly RH.
The center airbag sensor assembly uses this circuit to deploy the seat belt pretensioner
when deployment conditions a ...
Replacement
REPLACEMENT
PROCEDURE
1. REMOVE CENTER EXHAUST PIPE ASSEMBLY
(a) Remove the center exhaust pipe assembly.
HINT:
Refer to the instructions for Removal of the exhaust pipe (See page
for 2GR-FE,
for 1AR-FE).
2. REMOVE PROPELLER WITH CENTER BEARING SHAF ...
System Diagram
SYSTEM DIAGRAM
Transmitting ECU
(Transmitter)
Receiving ECU
Signal
Communication Method
Center Airbag Sensor Assembly
ECM
Crash detection signal
CAN
...