Toyota Tundra Service Manual: Data List / Active Test

DATA LIST / ACTIVE TEST

1. DATA LIST

HINT:

Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

NOTICE:

In the following table, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Combination Meter, Occupant Detection or SRS Airbag / Data List.

(e) Read the Data List according to the display on the Techstream.

Combination Meter (Combination Meter Assembly)

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Driver Side Seatbelt Warning Buzzer

Driver seat belt warning buzzer / ON or OFF

Customized value displayed

-

P-Seatbelt Warning Buzzer

Front passenger seat belt warning buzzer / ON or OFF

Customized value displayed

-

Occupant Detection (Occupant Detection ECU)

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Passenger Buckle SW

Front passenger buckle switch / Set, Unset or NG

Set: Seat belt fastened

Unset: Seat belt not fastened

NG: Data is not determined

-

SRS Airbag (Center Airbag Sensor Assembly)

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Driver Buckle SW

Driver buckle switch / Unset, Set or NG

Unset: Seat belt not fastened

Set: Seat belt fastened

NG: Data is not determined

-

Passenger Buckle SW

Passenger buckle switch / Unset, Set or NG

Unset: Seat belt not fastened

Set: Seat belt fastened

NG: Data is not determined

-

2. ACTIVE TEST

Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Combination Meter / Active Test.

(e) Perform the Active Test according to the display on the Techstream.

Combination Meter (Combination Meter Assembly)

Tester Display

Test Part

Control Range

Diagnostic Note

Driver Side Seat Belt

Seat belt warning light

OFF/ON

-

    Customize Parameters

    Diagnosis System

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