Toyota Tundra. Manual — part 2766

Fig. 16: Identifying Tire Pressure Warning Light
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

3. CHECK TIRE PRESSURE WARNING LIGHT

a. Turn the ignition switch to ON.

b. Check that the tire pressure warning light turns on for 3 seconds.

If the warning check result is not normal, proceed to the troubleshooting for the tire pressure
warning light circuit.

SYSTEM REFERENCE TABLE

4. TIRE PRESSURE WARNING LIGHT TABLE

HINT:

The table below indicates the state of the tire pressure warning light after the ignition switch is turned
ON.

Trouble Area

See procedure

Tire pressure warning light circuit TIRE PRESSURE WARNING LIGHT CIRCUIT

2009 Toyota Tundra

2009 SUSPENSION Tire & Wheel - Tundra

Fig. 17: Identifying Tire Pressure Warning Light
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

TIRE PRESSURE WARNING LIGHT REFERENCE TABLE

*1: Turns on and goes off repeatedly at 0.5 second intervals, and turns on after 1 minute.

Fig. 18: Identifying Tire Pressure Warning Light Blinking Pattern - 0.5 Second Intervals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

*2: Turns on and goes off repeatedly at 0.125 second intervals.

Condition

Immediately after

turning ignition

switch ON

Always

Warning light output pattern

Turns on for 3

seconds

Goes

off

Turns

on

Blinks for 1

minute and then

illuminates (*1)

Blinks

(*2)

Blinks

(*3)

Blinks

(*4)

Output

DTC

Normal

o

o

-

-

-

-

-

-

Low tire
pressure

o

-

o

-

-

-

-

-

System failure

o

-

-

o

-

-

-

-

Signal Check

o

-

-

-

o

-

-

-

Initialization

o

-

-

-

-

o

-

-

ECU connector
poorly
connected

-

-

-

o(*5)

-

-

-

-

TC ground
(DTC is output)

o

-

-

-

-

-

-

o

TC ground
(DTC is not
output)

o

-

-

-

-

-

o

-

2009 Toyota Tundra

2009 SUSPENSION Tire & Wheel - Tundra

Fig. 19: Identifying Tire Pressure Warning Light Blinking Pattern - 0.125 Second Intervals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

*3: Blinks 3 times (1 second on, 1 second off).

Fig. 20: Identifying Tire Pressure Warning Light Blinking Pattern - 1 Second On, 1 Second Off
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

*4: Turns on and goes off repeatedly at 0.25 second intervals.

Fig. 21: Identifying Tire Pressure Warning Light Blinking Pattern - 0.25 Second Intervals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

*5: When there is an open circuit, the light is off for 10 seconds. Then it blinks at 0.5 second intervals,
and turns on after 1 minute.

2009 Toyota Tundra

2009 SUSPENSION Tire & Wheel - Tundra

Fig. 22: Identifying Tire Pressure Warning Light Blinking Pattern
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

DTC CHECK/CLEAR

1. CHECK DTC (USING TECHSTREAM)

a. Turn the ignition switch off.

b. Connect the Techstream to the DLC3.

c. Turn the ignition switch to ON and the Techstream on.

d. Enter the following menus: Chassis/Tire Pressure Monitor/Trouble Codes.

e. Read the DTCs following the prompts on the Techstream screen.

HINT:

Refer to the Techstream operator's manual for further details.

2. CHECK DTC (USING SST CHECK WIRE)

Fig. 23: Identifying Tire Pressure Warning Light And Combination Meter
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 SUSPENSION Tire & Wheel - Tundra