Toyota Tundra. Manual — part 2580

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE NO. 2 FLOOR WIRE

OK: Go to next step

5. 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 cable 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 ).

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. 82: Identifying Side Airbag Sensor RH

Result

Proceed to

DTC B1630 and B1635 are not output

A

DTC B1630 is output (for Double Cab)

B

DTC B1630 is output (for CrewMax)

C

DTC B1635 is output

D

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

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

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

D: Go to next step

6. CHECK CONNECTION OF CONNECTORS

a. Check that the connector is properly connected to the door side airbag sensor RH.

OK: The connector is properly connected.

NG: CONNECT CONNECTORS PROPERLY

OK: Go to next step

7. CHECK CONNECTORS

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

b. Check that the connector (on the door side airbag sensor RH side) is not damaged.

OK: The connector is not deformed or damaged.

NG: REPLACE HARNESS AND CONNECTOR

OK: Go to next step

8. CHECK DOOR SIDE AIRBAG SENSOR RH CIRCUIT

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

b. Turn the ignition switch ON.

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 1 (BCR+) and 2 (BCR-) of connector B.

Tester Connection

Switch Condition Specified Condition

M9-1 (BCR-) - Body ground

Ignition switch ON

Below 1 V

M9-2 (BCR+) - Body ground

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

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

Fig. 83: Identifying Door Side Airbag Sensor RH Circuit
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Go to step 11

OK: Go to next step

9. CHECK FOR DTC

a. Connect the connectors to the side airbag sensor RH.

b. Connect the negative (-) terminal cable 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 any DTCs stored in the memory (see DTC CHECK/CLEAR ).

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

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

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

Fig. 84: Identifying Side Airbag Sensor RH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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 ).

OK: DTC B1635 is output.

HINT:

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

Result

RESULT TABLE

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

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

C: Go to next step

10. 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 cable 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.

Result

Proceed to

NG (for Double Cab)

A

NG (for CrewMax)

B

OK

C

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra