2020 TOYOTA TUNDRA ECU

861-3. Theft deterrent system
■System maintenance
The vehicle has a maintenance-free type engine immobilizer syst em.
■ Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic ob ject
● 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.
FCC ID: MOZRI-42BTY
This device complies with Part 15 of the FCC Rules. Operation i s subject to
the following two conditions: (1) this device may not cause har mful interfer-
ence, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
For vehicles sold in Canada
This device complied with RSS-210 of Industry Canada.
Operation is subject to the following two conditions: (1) this device may not
cause interference, and (2) this device must accept any interfe rence, includ-
ing interference that may cause undesired operation of the devi ce.

871-3. Theft deterrent system
1
For safety and security
For vehicles sold in New Caledonia

891-3. Theft deterrent system
1
For safety and security

911-3. Theft deterrent system
1
For safety and security

931-3. Theft deterrent system
1
For safety and security

951-3. Theft deterrent system
1
For safety and security
Alar m
The alarm uses light and sound to give an alert when an intrusion is
detected.
The alarm is triggered in the following situations when the ala rm is
set:
● A locked door is unlocked or opened in any way other than using a
key or wireless remote control. (The doors will lock again automati-
cally.)
● The hood is opened.
● Vehicles with the glass breaka ge sensor: The side windows are
tapped or broken.
Close the doors and hood, and
lock all the doors. The system will
be set automatically after 30 sec-
onds.
The indicator light changes from
being on to flashing when the sys-
tem is set.
Do one of the following to d eactivate or stop the alarms:
● Unlock the doors.
● Turn the engine switch to the ACC or ON, or start the engine. ( The
alarm will be deactivated or s topped after a few seconds.)
: If equipped
The alarm
Setting the alarm system
Deactivating or stopping the alarm

971-3. Theft deterrent system
1
For safety and security
■Alarm-operated door lock
In the following cases, depending on the situation, the door ma y automatically
lock to prevent improper entry into the vehicle:
● When a person remaining in the vehicle locks the door and the a larm is acti-
vated.
● While the alarm is activated, a person remaining in the vehicle unlocks the
door.
● When recharging or replacing the battery.
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.

1032. Instrument cluster
2
Instrument cluster
*6
Cruise control “SET”
indicator (P. 289, 294)
*3, 4, 9
BSM outside rear view
mirror indicator
(P. 305)
*6, 9
(Green)
LDA indicator ( P. 275)
*1
“TRAC OFF” indicator
(P. 321)
Front fog light indicator
( P. 244)
*9
“RCTA” indicator
(P. 305)
*1, 5
“AIR BAG ON” and
“AIR BAG OFF”
indicators ( P. 53) Security indicator
(
P. 85, 95)
*1“AUTO LSD” indicator
(P. 318, 321)
*6, 9
Dynamic radar cruise
control indicator
(P. 280)
*1, 8, 9
PCS warning light
(P. 263)
*1, 2Slip indicator
( P. 321)
(4WD models)
“4HI” indicator ( P. 315)
*1VSC off indicator
(P. 318, 321)
(4WD models)
“4LO” indicator ( P. 315)
“TOW HAUL” indicator
( P. 228)
*6
(Green)
Trailer connection
indicator ( P. 327)
*9“BSM” indicator
(P. 305)*6, 7
Low outside temperature
indicator