Toyota Tundra. Manual — part 921

If the SLIP indicator light goes off, the systems automatically return to normal operating conditions. As
this is not a malfunction, no DTC will be recorded.

DATA LIST/ACTIVE TEST

1. READ 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.

a. Connect the Techstream to the DLC3.

b. Turn the ignition switch to ON.

c. Turn the Techstream on.

d. Read the Data List according to the display on the Techstream.

ABS/VSC/TRAC:

DIAGNOSTIC NOTE TABLE

Tester Display

Measurement

Item/Range

Normal Condition

Diagnostic Note

ABS Warning Light

ABS warning light/ON

or OFF

ON: Warning light ON

OFF: Warning light

OFF

-

VSC Warning Light

VSC OFF indicator

light/ON or OFF

ON: Indicator light ON

OFF: Indicator light

OFF

-

Brake Warning Light

Brake warning light/ON

or OFF

ON: Warning light ON

OFF: Warning light

OFF

-

Slip Indicator Light

SLIP indicator light/ON

or OFF

ON: Indicator light ON

OFF: Indicator light

OFF

-

Buzzer

Skid control buzzer/ON

or OFF

ON: Buzzer ON

OFF: Buzzer OFF

-

Stop Light SW

Stop light switch/ON or

OFF

ON: Brake pedal

depressed

OFF: Brake pedal

released

-

Parking Brake SW

Parking brake

switch/ON or OFF

ON: Parking brake

applied

OFF: Parking brake

released

-

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

TRC(TRAC)/VSC OFF

SW

VSC OFF switch/ON or

OFF

ON: VSC OFF switch

ON

OFF: VSC OFF switch

OFF

-

Gear Position

Gear position

information/P/N, R, 1st-

5th, FAIL, NOT R

Actual gear position

-

Shift Information

Shift information/ON or

OFF

ON: During gear

change

OFF: Not during gear

change

-

Inspection Mode

Inspection

mode/OTHER or

INSPECT

OTHER: Normal mode

INSPECT: Inspection

mode

-

Number of IG ON

(Inspection)

Number of ignition

switch ON operations

after entering the

inspection mode/min.: 0,

max.: 255

Min.: 0

Max.: 255

-

Master Cylinder Sensor

Master cylinder pressure

sensor 1 reading/min.: 0

V, max.: 5 V

When brake pedal is

released: 0.3 to 0.9 V

Reading increases

when brake pedal is

depressed

Zero Point of M/C

Memorized zero point

value of master cylinder

pressure sensor/min.: -

12.5 MPa, max.: 12.4

MPa

Min.: -12.5 MPa

Max.: 12.4 MPa

-

Stroke Sensor

Stroke sensor/min.: 0 V,

max.: 5 V

When brake pedal is

released: 0.7 to 1.9 V

-

Voltage of Stroke

Sensor

Voltage of stroke

sensor/min.: -2.5 V,

max.: 2.49 V

When brake pedal is

released: 0.7 to 1.9 V

-

Deceleration Sensor

Acceleration sensor 1

reading/min.: -1.869 G,

max.: 1.869 G

Approximately -0.13 to
0.13 G while stationary

Reading changes when

vehicle is bounced

Zero Point of Decele

Memorized zero

value/min.: -25.11 m/s

2

,

max.: 24.91 m/s

2

Min.: -1.7 m/s

2

Max.: 1.7 m/s

2

-

Deceleration Sensor 2

Acceleration sensor 2

reading/min.: -1.869 G,

max.: 1.869 G

Approximately -0.13 to
0.13 G while stationary

Reading changes when

vehicle is bounced

Zero Point of Decele 2

Memorized zero

value/min.: -25.11 m/s

2

,

max.: 24.91 m/s

2

Min.: -1.7 m/s

2

Max.: 1.7 m/s

2

-

Yaw rate sensor 1/min.: - Approximately -3.5 to

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

Yaw Rate Sensor

92°/sec, max.: 92°/sec.

3.5°/sec. while

stationary

-

Steering Angle Sensor

Steering angle

sensor/min.: -3276.8°,

max.: 3276.7°

Left turn: Increase

Right turn: Decrease

-

Zero Point of Steering

Angle

Memorized zero

value/min.: -3276.8°,

max.: 3276.7°

Min.: -3276.8°

Max.: 3276.7°

-

Lateral G

Lateral G/min.: -25.11

m/sec.

2

, max.: 24.91

m/sec.

2

Min.: -25.11 m/sec.

2

Max.: 24.91 m/sec.

2

-

Forward and Rearward

G

Forward and rearward

G/min.: -25.11 m/sec.

2

,

max.: 24.91 m/sec.

2

Min.: -25.11 m/sec.

2

Max.: 24.91 m/sec.

2

-

Yaw Rate Value

Yaw rate value/min.: -

92°/sec, max.: 92°/sec.

Approximately -3.5 to

3.5°/sec. while

stationary

-

Steering Angle Value

Steering angle

value/min.: -3276.8°,

max.: 3276.7°

Min.: -3276.8°

Max.: 3276.7°

-

FR Wheel Speed

Front wheel speed sensor

RH reading/min.: 0 km/h
(0 mph), max.: 326 km/h

(202 mph)

Actual wheel speed

Similar speed as

indicated on

speedometer

FL Wheel Speed

Front wheel speed sensor

LH reading/min.: 0 km/h
(0 mph), max.: 326 km/h

(202 mph)

Actual wheel speed

Similar speed as

indicated on

speedometer

RR Wheel Speed

Rear wheel speed sensor

RH reading/min.: 0 km/h
(0 mph), max.: 326 km/h

(202 mph)

Actual wheel speed

Similar speed as

indicated on

speedometer

RL Wheel Speed

Rear wheel speed sensor

LH reading/min.: 0 km/h
(0 mph), max.: 326 km/h

(202 mph)

Actual wheel speed

Similar speed as

indicated on

speedometer

Vehicle Speed

Maximum wheel speed

sensor reading/min.: 0

km/h (0 mph), max.: 326

km/h (202 mph)

Actual vehicle speed

Speed indicated on

speedometer

FR Wheel Acceleration

Front wheel acceleration

RH/min.: -200.84

m/sec.

2

, max.: 199.27
m/sec.

2

Min.: -200.84 m/sec.

2

Max.: 199.27 m/sec.

2

-

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

FL Wheel Acceleration

Front wheel acceleration

LH/min.: -200.84

m/sec.

2

, max.: 199.27
m/sec.

2

Min.: -200.84 m/sec.

2

Max.: 199.27 m/sec.

2

-

RR Wheel Acceleration

Rear wheel acceleration

RH/min.: -200.84

m/sec.

2

, max.: 199.27

m/sec.

2

Min.: -200.84 m/sec.

2

Max.: 199.27 m/sec.

2

-

RL Wheel Acceleration

Rear wheel acceleration

LH/min.: -200.84

m/sec.

2

, max.: 199.27
m/sec.

2

Min.: -200.84 m/sec.

2

Max.: 199.27 m/sec.

2

-

FR Wheel ABS Ctrl

Status

Front wheel RH ABS

control status/ON or

OFF

ON: During control

OFF: Not during control

-

FL Wheel ABS Ctrl

Status

Front wheel LH ABS

control status/ON or

OFF

ON: During control

OFF: Not during control

-

RR Wheel ABS Ctrl

Status

Rear wheel RH ABS

control status/ON or

OFF

ON: During control

OFF: Not during control

-

RL Wheel ABS Ctrl

Status

Rear wheel LH ABS

control status/ON or

OFF

ON: During control

OFF: Not during control

-

FR Wheel EBD Ctrl

Status

Front wheel RH EBD

control status /ON or

OFF

ON: During control

OFF: Not during control

-

FL Wheel EBD Ctrl

Status

Front wheel LH EBD

control status/ON or

OFF

ON: During control

OFF: Not during control

-

RR Wheel EBD Ctrl

Status

Rear wheel RH EBD

control status/ON or

OFF

ON: During control

OFF: Not during control

-

RL Wheel EBD CM

Status

Rear wheel LH EBD

control status/ON or

OFF

ON: During control

OFF: Not during control

-

BA CM Status

BA control status/ON or

OFF

ON: During control

OFF: Not during control

-

TRC (TRAC) Ctrl

Status

TRAC control status/ON

or OFF

ON: During control

OFF: Not during control

-

TRC (TRAC) Engine

Ctrl Status

TRAC engine control

status/ON or OFF

ON: During control

OFF: Not during control

-

TRC (TRAC) Brake

Ctrl Status

TRAC brake control

status/ON or OFF

ON: During control

OFF: Not during control

-

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra