Toyota Tundra. Manual — part 2671

Fig. 354: Identifying Front Airbag Sensor Replacement Components & Torque Specifications
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

ON-VEHICLE INSPECTION

1. CHECK FRONT AIRBAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION)

a. Perform a diagnostic system check (see DIAGNOSIS SYSTEM ).

2. CHECK FRONT AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG

HAS NOT DEPLOYED)

a. Perform a diagnostic system check (see DIAGNOSIS SYSTEM ).

b. When the front bumper of the vehicle or its area is damaged, check if there is any damage to the

front airbag sensor, if the front airbag sensor has defects as mentioned below, replace it with a new
one:



Cracks, dents or chips on the sensor housing.



Cracks or other damage to the connector.



Peeling off of the label or damage to the serial number.

3. CHECK FRONT AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS

CAUTION: For removal and installation procedures of the front airbag

sensor, be sure to follow the correct procedure.

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

DEPLOYED)

a. Replace the front airbag sensor.

REMOVAL

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

2. REMOVE BATTERY

a. Disconnect the cable from the positive (+) battery terminal.

b. Loosen the nut, move the stay off the battery, and remove the battery.

Fig. 355: Locating Nuts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

3. REMOVE FRONT AIRBAG SENSOR

a. Remove the nut and front airbag sensor from the body.

CAUTION:



For removal and installation procedures of the front airbag
sensor, be sure to follow the correct procedure.



If the airbags have deployed, replace the front airbag
sensor on the side in which the collision occurred.
Replace both if necessary.

CAUTION: Wait at least 90 seconds after disconnecting the cable from the

negative (-) battery terminal to prevent airbag and seat belt
pretensioner activation.

NOTE:



After the ignition switch is turned OFF, the navigation system
requires approximately 90 seconds to record various types of
memory and settings. As a result, after turning the ignition switch
OFF, wait 90 seconds or more before disconnecting the cable from
the negative (-) battery terminal.



Some systems need to be initialized after the cable is reconnected
(see INITIALIZATION ).

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

b. Disconnect the connector.

Fig. 356: Locating Nut & Front Airbag Sensor
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSTALLATION

1. INSTALL FRONT AIRBAG SENSOR

a. Check that the ignition switch is OFF.

b. Check that the cable is disconnected from the battery negative (-) terminal.

c. Connect the connector.

d. Install the front airbag sensor with the nut.

Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf)

Fig. 357: Locating Nut & Front Airbag Sensor
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

CAUTION: Wait at least 90 seconds after disconnecting the cable from the

negative (-) battery terminal to prevent airbag and seat belt
pretensioner activation.

NOTE:



If the front airbag sensor has been dropped, or there are any
cracks, dents or other defects in the case, bracket or connector,

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

e. Check that there is no looseness in the installation parts of the front airbag sensor.

2. INSTALL BATTERY

a. Set the battery in the vehicle. Then move the stay onto the battery and tighten the nut to fix the

battery in place.

b. Connect the cable to the positive (+) battery terminal.

Fig. 358: Locating Nuts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

4. CHECK SRS WARNING LIGHT

a. Check the SRS warning light (see DIAGNOSIS SYSTEM ).

SIDE AIRBAG SENSOR (FOR DOUBLE CAB)

COMPONENTS

replace it with a new one.



When installing the front airbag sensor, be careful that the SRS
wiring does not interfere with other parts and that it is not
pinched between other parts.

NOTE:

Some systems need to be initialized after the cable is reconnected (see
INITIALIZATION ).

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra