Toyota Tundra. Manual — part 2575
f. Check for DTCs (see DTC CHECK/CLEAR ).
Result
RESULT TABLE
A: USE SIMULATION METHOD TO CHECK (See DIAGNOSIS SYSTEM )
B: Go to step 12
C: Go to next step
2. 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
RH.
OK: The connectors are properly connected.
NG: CONNECT CONNECTORS PROPERLY
OK: Go to next step
3. CHECK CONNECTORS
a. Disconnect the connectors from the center airbag sensor and side airbag sensor RH.
b. Check that the connectors (on the center airbag sensor side and side airbag sensor RH side) are not
damaged.
OK: The connectors are not deformed or damaged.
NG: REPLACE NO. 2 FLOOR WIRE
OK: Go to next step
4. CHECK NO. 2 FLOOR WIRE (CENTER AIRBAG SENSOR - SIDE AIRBAG SENSOR RH)
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.
Result
Proceed to
DTC B1620 and B1625 are not output
A
DTC B1620 is output
B
DTC B1625 is output
C
2009 Toyota Tundra
2009 RESTRAINTS Supplemental Restraint System - Tundra
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 (BBP+) and 11 (BBP-) 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
Fig. 67: Identifying No. 2 Floor Wire (Center Airbag Sensor - Side Airbag Sensor RH)
Tester Connection
Switch Condition Specified Condition
Q4-3 (BBR-) - Body ground
Ignition switch ON
Below 1 V
Q4-4 (BBR+) - 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
Q4-3 (BBR-) - Q4-4 (BBR+) Always
Below 1 ohms
Tester Connection
Condition Specified Condition
Q4-3 (BBR-) - Q4-4 (BBR+)
Always
1 Mohms or higher
Q4-3 (BBR-) - Body ground
Q4-4 (BBR+) - Body ground
2009 Toyota Tundra
2009 RESTRAINTS Supplemental Restraint System - Tundra
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 B1620 and B1625 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. 68: Identifying Side Airbag Sensor RH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Result
Proceed to
DTC B1620 and B1625 are not output
A
DTC B1620 is output
B
DTC B1625 is output
C
2009 Toyota Tundra
2009 RESTRAINTS Supplemental Restraint System - Tundra
A: USE SIMULATION METHOD TO CHECK (See DIAGNOSIS SYSTEM )
B: REPLACE SIDE AIRBAG SENSOR RH (See SIDE AIRBAG SENSOR (for Regular Cab) )
C: 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
NOTE:
Do not forcibly insert a service wire into the terminals of the
connector when connecting the wire.
2009 Toyota Tundra
2009 RESTRAINTS Supplemental Restraint System - Tundra
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