Toyota Tundra. Manual — part 2581

g. Check for DTCs (see DTC CHECK/CLEAR ).

Result

RESULT TABLE

HINT:

Codes other than DTC B1630 and B1635 maybe output at this time, but they are not related to this
check.

h. Turn the ignition switch OFF.

i. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.

j. Return the side airbag sensor LH and RH to their original positions and connect the connectors to

them.

Fig. 85: Identifying Side Airbag Sensor RH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

A: USE SIMULATION METHOD TO CHECK (See DIAGNOSIS SYSTEM )

B: REPLACE CENTER AIRBAG SENSOR ASSEMBLY (See CENTER AIRBAG SENSOR
ASSEMBLY (for Column Shift Type) )

C: REPLACE CENTER AIRBAG SENSOR ASSEMBLY (See CENTER AIRBAG SENSOR
ASSEMBLY (for Floor Shift Type) )

D: REPLACE SIDE AIRBAG SENSOR RH (See SIDE AIRBAG SENSOR (for Double Cab) )

Result

Proceed to

DTC B1630 and B1635 are not output

A

DTC B1635 is output (for Column Shift
Type)

B

DTC B1635 is output (for Floor Shift Type)

C

DTC B1630 is output (for Double Cab)

D

DTC B1630 is output (for CrewMax)

E

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

E: REPLACE SIDE AIRBAG SENSOR RH (See SIDE AIRBAG SENSOR (for CrewMax) )

11. CHECK NO. 2 FLOOR WIRE

a. Disconnect the No. 2 floor wire connector from the door wire RH.

b. Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.

c. Turn the ignition switch ON.

d. Measure the voltage according to the value(s) in the table below.

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION TABLE

e. Turn the ignition switch OFF.

f. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.

g. Using a service wire, connect terminals 1 (BCR+) and 2 (BCR-) of connector B.

h. Measure the resistance according to the value(s) in the table below.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION TABLE

i. Disconnect the service wire from connector B.

j. Measure the resistance according to the value(s) in the table below.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION TABLE

Tester Connection

Switch Condition Specified Condition

MQ1-1 (BCR-) - Body ground

Ignition switch ON

Below 1 V

MQ1-2 (BCR+) - Body ground

NOTE:

Do not forcibly insert a service wire into the terminals of the
connector when connecting the wire.

Tester Connection

Condition Specified Condition

MQ1-1 (BCR-) - MQ1-2 (BCR+) Always

Below 1 ohms

Tester Connection

Condition Specified Condition

MQ1-1 (BCR-) - MQ1-2 (BCR+)

Always

1 Mohms or higher

MQ1-1 (BCR-) - Body ground

MQ1-2 (BCR+) - Body ground

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

Fig. 86: Identifying No. 2 Floor Wire
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE NO. 2 FLOOR WIRE

OK: REPLACE DOOR WIRE RH

12. CHECK CONNECTION OF CONNECTORS

a. Turn the ignition switch OFF.

b. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.

c. Check that the connectors are properly connected to the center airbag sensor and side airbag sensor

LH.

OK: The connectors are properly connected.

NG: CONNECT CONNECTORS PROPERLY

OK: Go to next step

13. CHECK CONNECTORS

a. Disconnect the connectors from the center airbag sensor and side airbag sensor LH.

b. Check that the connectors (on the center airbag sensor side and side airbag sensor LH side) are not

damaged.

OK: The connectors are not deformed or damaged.

NG: REPLACE FLOOR WIRE

OK: Go to next step

14. CHECK FLOOR WIRE (CENTER AIRBAG SENSOR - SIDE AIRBAG SENSOR LH)

a. Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.

b. Turn the ignition switch ON.

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

c. Measure the voltage according to the value(s) in the table below.

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION TABLE

d. Turn the ignition switch OFF.

e. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.

f. Using a service wire, connect terminals 8 (BBD+) and 15 (BBD-) of connector B.

g. Measure the resistance according to the value(s) in the table below.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION TABLE

h. Disconnect the service wire from connector B.

i. Measure the resistance according to the value(s) in the table below.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION TABLE

Tester Connection

Switch Condition Specified Condition

P4-3 (BBL-) - Body ground

Ignition switch ON

Below 1 V

P4-4 (BBL+) - Body ground

NOTE:

Do not forcibly insert a service wire into the terminals of the
connector when connecting the wire.

Tester Connection

Condition Specified Condition

P4-3 (BBL-) - P4-4 (BBL+) Always

Below 1 ohms

Tester Connection

Condition Specified Condition

P4-3 (BBL-) - P4-4 (BBL+)

Always

1 Mohms or higher

P4-3 (BBL-) - Body ground

P4-4 (BBL+) - Body ground

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra