Toyota Tundra. Manual — part 339



If confirmation mode or prohibition mode is selected, the operation ends after the response to
the selected mode completes.

f. If add mode or rewrite mode is selected, perform the following procedures.

1. Press a single switch (LOCK or UNLOCK) within 5 seconds.

2. After completing the above step, check the response to the registration completion within 3

seconds.

Fig. 56: Register Recognition Code (Using Switch Operation) (Completion)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

HINT:



If the LOCK-UNLOCK operation occurs twice, the registration of the recognition code
has failed. Perform registration procedures again from the beginning.



If registering another transmitter, repeat the procedures after the response to the
selected mode confirmation. All 4 recognition codes can be registered consecutively.

g. Perform either of the following to complete the registration of the recognition codes:



Open the door.



Insert the key into the ignition key cylinder.

CUSTOMIZE PARAMETERS

1. CUSTOMIZING FUNCTION WITH TECHSTREAM (REFERENCE)

HINT:

The following items can be customized.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Door Lock - Tundra

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 DATA LIST - MAIN BODY

NOTE:



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



Record 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

Hazard

Answer

Back

ON

When LOCK switch on transmitter is pressed, all
hazard warning lights illuminate once. When UNLOCK
switch is pressed, all hazard warning lights illuminate
twice.

ON / OFF

Wireless

Buzzer Resp

ON

Function that makes wireless buzzer sound for answer-
back when transmitter LOCK / UNLOCK switch is
pressed.

ON / OFF

Open Door

Warning

ON

If door is not completely closed and transmitter LOCK
switch is pressed, this function sounds a buzzer for 10
seconds.

ON / OFF

Wireless

Control

ON

ON / OFF of wireless door lock function.

ON / OFF

Panic

Function

ON

Operates security alarm when PANIC switch on
transmitter is continuously pressed for 1 second.

ON / OFF

Unlock / 2

Operation

ON

Function that unlocks driver side door when unlock
switch on transmitter is pressed once, and unlocks all
doors when pressed twice. If setting is OFF, pressing
unlock switch once makes all doors unlock.

ON / OFF

Wireless

Auto Lock

ON

Function to control automatic relocking of doors after
unlocking with wireless door lock function.

ON / OFF

Auto Lock

Time

30

seconds

Function to change time until relocking after unlocking.

60

seconds/30

seconds

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Door Lock - Tundra

PROBLEM SYMPTOMS TABLE

HINT:

Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Wireless door lock control system

SYMPTOM CHART

TERMINALS OF ECU

1. CHECK MAIN BODY ECU

Symptom

Suspected Area

Refer To

Only wireless control function is
inoperative

Proceed to "Only Wireless
Control Function is Inoperative"

ONLY WIRELESS CONTROL

FUNCTION IS INOPERATIVE

No answer-back

Proceed to "No Answer-Back"

NO ANSWER-BACK

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Door Lock - Tundra

Fig. 57: Identifying Terminals Of ECU
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

a. Disconnect the DD and DB ECU connectors.

b. Measure the resistance and voltage according to the value(s) in the table below.

MAIN BODY ECU RESISTANCE AND VOLTAGE

Terminal No. (Symbols)

Wiring Color

Terminal

Condition

Specified

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Door Lock - Tundra