Toyota Tundra. Manual — part 2596

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

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION TABLE

Fig. 132: Identifying Door Side Airbag Sensor RH Circuit
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

d. Turn the ignition switch OFF.

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

f. Disconnect the connectors from the side airbag sensor RH and door side airbag sensor RH.

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 the 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

M9-1 (BCR-) - Body ground

Ignition switch ON

Below 1 V

M9-2 (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

M9-1 (BCR-) - M9-2 (BCR+) Always

Below 1 ohms

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

Result

RESULT TABLE

A: Go to step 8

B: Go to step 7

C: Go to next step

5. CHECK DOOR SIDE AIRBAG SENSOR RH

a. Interchange the door side airbag sensor LH with RH and connect the connectors to them.

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

c. Turn the ignition switch ON, and wait for at least 60 seconds.

d. Clear the DTCs stored in the memory (see DTC CHECK/CLEAR ).

e. Turn the ignition switch OFF.

f. Turn the ignition switch ON, and wait for at least 60 seconds.

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

Fig. 133: Identifying Door Side Airbag Sensor RH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Result

RESULT TABLE

Tester Connection

Condition Specified Condition

M9-1 (BCR-) - M9-2 (BCR+)

Always

1 Mohms or higher

M9-1 (BCR-) - Body ground

M9-2 (BCR+) - Body ground

Result

Proceed to

OK (for CrewMax)

A

NG

B

OK (for Regular Cab and Double Cab)

C

Result

Proceed to

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

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 door side airbag sensor RH and LH to their original positions and connect the

connectors to them.

A: REPLACE DOOR SIDE AIRBAG SENSOR RH (See SIDE AIRBAG SENSOR (for Regular
Cab) )

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

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

D: Go to next step

6. CHECK SIDE AIRBAG SENSOR RH

a. Interchange the side airbag sensor LH with RH and connect the connectors to them.

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

c. Turn the ignition switch ON, and wait for at least 60 seconds.

d. Clear the DTCs stored in the memory (see DTC CHECK/CLEAR ).

e. Turn the ignition switch OFF.

f. Turn the ignition switch ON, and wait for at least 60 seconds.

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

Fig. 134: Identifying Side Airbag Sensor RH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Result

RESULT TABLE

DTC B1690 is output (for Regular Cab)

A

DTC B1690 is output (for Double Cab)

B

DTC B1690 and B1695 are not output

C

DTC B1695 is output

D

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

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 RH and LH to their original positions and connect the connectors to

them.

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

B: REPLACE SIDE AIRBAG SENSOR RH (See SIDE AIRBAG SENSOR (for Regular Cab) )

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

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

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

7. 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.

Result

Proceed to

DTC B1690 and B1695 are not output

A

DTC B1690 is output (for Regular Cab)

B

DTC B1690 is output (for Double Cab)

C

DTC B1695 is output (for Column Shift
Type)

D

DTC B1695 is output (for Floor Shift Type)

E

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

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra