Toyota Tundra. Manual — part 700

Conditions for canceling the panic alarm are the same as for the alarm control.

HINT:

For more information about active mode, refer to 1 for "ACTIVE ARMING MODE".

5. ALARM MEMORY FUNCTION

a. If the alarm is set off (tampering is detected) while the theft deterrent system is in the armed state,

the alarm memory function will record it. Whenever the theft deterrent system is canceled, the
alarm memory function causes the taillights to illuminate for 2 seconds in order to inform you that
the alarm has been set off.

1. Conditions of the alarm memory function that cause the taillights to illuminate:

When the theft deterrent system has entered the alarm sounding state (tampering has been
detected) even once, the taillights will illuminate for 2 seconds if any of the following
conditions is fulfilled.



The system is changed to the disarmed state from the armed state during active arming
mode.



The system is changed to the disarmed state (1) from the armed state during passive
arming mode.

HINT:

For more information about active arming mode, refer to 1 for "ACTIVE ARMING MODE".
For more information about passive arming mode, refer to 2 for "PASSIVE ARMING
MODE".

6. SECURITY INDICATOR OUTPUT

a. The security indicator turns on and off based on output signals from the main body ECU. However,

in some cases, the actual status of the security indicator is different from the output signals of the
main body ECU.

Output

SECURITY INDICATOR OUTPUT REFERENCE

State of Theft Deterrent

System

Security Indicator

Output Signals from Main

Body ECU

Actual Lighting Condition

Disarmed state

OFF

OFF (Engine immobilizer system
not set)
BLINKING (Engine immobilizer
system set)

Arming preparation state

ON

ON

Armed state

OFF

BLINKING

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Theft Deterrent - Tundra

Blinking cycle

BLINKING CYCLE REFERENCE

HINT:

When the engine immobilizer system is set, the security indicator blinks during the disarmed state
and the armed state due to the output signals from the engine immobilizer system.

CUSTOMIZE PARAMETERS

1. CUSTOMIZING FUNCTION WITH TECHSTREAM

a. Connect the Techstream to the DLC3.

b. Turn the ignition switch ON.

c. Turn the tester on.

d. Enter the following menus:

Techstream - Select: Customize Setting.

e. Select the setting by referring to the table below.

Techstream

Main Body

TECHSTREAM MAIN BODY REFERENCE CHART

Alarm sounding state

ON

ON

Time

Security Indicator

0.2 seconds

ON

1.8 seconds

OFF

NOTE:



When the customer requests a change in a function, first make sure
that the function can be customized.



Be sure to make a note of the current settings before customizing.



When troubleshooting a function, first make sure that the function is
set to the default setting.

Display

Default

Contents

Setting

Warning by
Horn

ON

Function that allows vehicle horns and theft deterrent horn to
be used as warning device.

ON or

OFF

Passive arming mode is function that switches theft deterrent
system from arming preparation state to armed state 30
seconds after key is not inside vehicle and driver side door is
closed. In passive arming mode, theft deterrent system will

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Theft Deterrent - Tundra

PROBLEM SYMPTOMS TABLE

HINT:



Use the table below to help determine the cause of the problem symptom. The potential causes of the
symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each
symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.



Troubleshooting of the theft deterrent system is based on the premise that the door lock control system
and the wireless door lock control system are operating normally. Check these systems first before
troubleshooting the theft deterrent system.

Theft deterrent system

THEFT DETERRENT SYSTEM PROBLEM SYMPTOMS

Passive
Mode
(Security
system)

OFF

judge that theft is taking place and switch to alarm sounding
state if one of following operations are not performed within
14 seconds (see entry delay below) after door is opened:



Unlock any door by key or wireless operation



Turn ignition switch ON

ON or

OFF

Entry Delay

14 s

Function that changes entry delay time (time before warning
starts) for PASSIVE ARMING MODE

0 s/14

s/30 s

Warning by
Glass
Broken
Sensor*

ON

Function that turns glass breakage sensor ON/OFF. This
function is only effective for vehicles with glass breakage
sensor.

ON or

OFF

HINT:
*: w/ Glass Breakage Sensor

Symptom

Suspected Area

Refer To

Theft deterrent system cannot be
set

Security indicator light circuit

SECURITY INDICATOR

LIGHT CIRCUIT

ECU power source circuit

ECU POWER SOURCE

CIRCUIT

Key reminder buzzer does not
sound

KEY REMINDER BUZZER

DOES NOT SOUND

DTC B2780 (Key unlock warning
switch malfunction)

DTC B2780 PUSH SWITCH /

KEY UNLOCK WARNING

SWITCH MALFUNCTION

Driver side door key lock and
unlock switch circuit

DRIVER SIDE DOOR KEY

LOCK AND UNLOCK

SWITCH CIRCUIT

Front passenger side door unlock
detection switch circuit

FRONT PASSENGER SIDE

DOOR UNLOCK DETECTION

SWITCH CIRCUIT

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Theft Deterrent - Tundra

TERMINALS OF ECU

1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)

Door courtesy switch circuit

DOOR COURTESY SWITCH

CIRCUIT

Engine hood courtesy switch
circuit

ENGINE HOOD COURTESY

SWITCH CIRCUIT

Main body ECU

-

Security indicator does not blink
when theft deterrent system is set

Security indicator light circuit

SECURITY INDICATOR

LIGHT CIRCUIT

Alarm sounding state cannot be
canceled when ignition switch is
turned ON to OFF 10 times
within 15 seconds

Ignition switch circuit

IGNITION SWITCH CIRCUIT

Key reminder buzzer does not
sound

KEY REMINDER BUZZER

DOES NOT SOUND

DTC B2780 (Key unlock warning
switch malfunction)

DTC B2780 PUSH SWITCH /

KEY UNLOCK WARNING

SWITCH MALFUNCTION

Theft deterrent system can be set
even when any door is open

Door courtesy switch circuit

DOOR COURTESY SWITCH

CIRCUIT

Vehicle horns (low pitched, high
pitched) do not sound while theft
deterrent system is in alarm
sounding state

Horn circuit

HORN CIRCUIT

Headlights do not flash while
theft deterrent system is in alarm
sounding state

Headlight signal circuit

HEADLIGHT SIGNAL

CIRCUIT

Taillights do not flash while theft
deterrent system is in alarm
sounding state

Taillight circuit

TAIL LIGHT CIRCUIT

Hazard warning lights do not
flash while theft deterrent system
is in alarm sounding state

Hazard warning switch circuit

HAZARD WARNING SWITCH

CIRCUIT

Room light does not light up
while theft deterrent system is in
alarm sounding state

Illumination circuit

ILLUMINATION CIRCUIT

Security horn does not sound
while theft deterrent system is set

Security horn circuit

SECURITY HORN CIRCUIT

Glass breakage sensor does not
operate*

Glass breakage sensor ECU
circuit*

GLASS BREAKAGE SENSOR

ECU CIRCUIT

HINT:



If the suspected areas operate normally, replace the main body ECU.



*: w/ Glass Breakage Sensor

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Theft Deterrent - Tundra