Toyota Tundra. Manual — part 2613
OK: DTC B1835, B1836, B1837 or B1838 is not output.
HINT:
Codes other than DTC B1835, B1836, B1837, B1838 maybe output at this time, but they are not
related to this check.
Fig. 177: Identifying Curtain Shield Airbag RH (Curtain Shield Squib RH)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Result
RESULT TABLE
B: REPLACE CURTAIN SHIELD AIRBAG ASSEMBLY RH (See CURTAIN SHIELD AIRBAG
ASSEMBLY )
C: REPLACE CURTAIN SHIELD AIRBAG ASSEMBLY RH (See CURTAIN SHIELD AIRBAG
ASSEMBLY (for CrewMax) )
A: Go to next step
2. CHECK CONNECTOR
a. Turn the ignition switch OFF.
Result
Proceed to
OK (for Regular Cab and Double Cab)
A
OK (for CrewMax)
B
NG
C
2009 Toyota Tundra
2009 RESTRAINTS Supplemental Restraint System - Tundra
b. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
c. Disconnect SST from connector C.
d. Check that the No. 2 floor wire connector (on the curtain shield airbag RH side) is not damaged.
OK: The lock button is not disengaged, or the claw of the lock is not deformed or damaged.
NG: REPLACE NO. 2 FLOOR WIRE
OK: Go to next step
3. CHECK NO. 2 FLOOR WIRE (CURTAIN SHIELD SQUIB RH CIRCUIT)
a. Disconnect the connectors from the center airbag sensor.
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. Measure the resistance according to the value(s) in the table below.
Tester Connection
Switch Condition Specified Condition
Q3-1 (ICR-) - Body ground
Ignition switch ON
Below 1 V
Q3-2 (ICR+) - Body ground
2009 Toyota Tundra
2009 RESTRAINTS Supplemental Restraint System - Tundra
Fig. 178: Identifying No. 2 Floor Wire (Curtain Shield SQUIB RH Circuit)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Standard Resistance
TESTER CONNECTION SPECIFIED CONDITION TABLE
h. Release the activation prevention mechanism built into connector B (see DIAGNOSIS
SYSTEM ).
i. Measure the resistance according to the value(s) in the table below.
Standard Resistance
TESTER CONNECTION SPECIFIED CONDITION TABLE
NG: REPLACE NO. 2 FLOOR WIRE
OK: Go to next step
4. CHECK CENTER AIRBAG SENSOR
a. Connect the connectors to the curtain shield airbag RH and the center airbag sensor.
Tester Connection
Condition Specified Condition
Q3-1 (ICR-) - Q3-2 (ICR+) Always
Below 1 ohms
Tester Connection
Condition Specified Condition
Q3-1 (ICR-) - Q3-2 (ICR+)
Always
1 Mohms or higher
Q3-1 (ICR-) - Body ground
Q3-2 (ICR+) - Body ground
2009 Toyota Tundra
2009 RESTRAINTS Supplemental Restraint System - Tundra
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 (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. 179: Identifying Center Airbag Sensor
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Result
RESULT TABLE
HINT:
Codes other than DTC B1835, B1836, B1837, B1838 maybe output at this time, but they are not
related to this check.
A: REPLACE CENTER AIRBAG SENSOR ASSEMBLY (See CENTER AIRBAG SENSOR
ASSEMBLY (for Column Shift Type) )
B: REPLACE CENTER AIRBAG SENSOR ASSEMBLY (See CENTER AIRBAG SENSOR
ASSEMBLY (for Floor Shift Type) )
C: USE SIMULATION METHOD TO CHECK (See DIAGNOSIS SYSTEM )
DTC B1900/73, B1901/73, B1902/73, B1903/73: SHORT IN FRONT DRIVER SIDE PRETENSIONER
SQUIB CIRCUIT; OPEN IN FRONT DRIVER SIDE PRETENSIONER SQUIB CIRCUIT; SHORT TO
Result
Proceed to
DTC B1835, B1836, B1837 or B1838 is
output (for Column Shift Type)
A
DTC B1835, B1836, B1837 or B1838 is
output (for Floor Shift Type)
B
DTC B1835, B1836, B1837 or B1838 is
not output
C
2009 Toyota Tundra
2009 RESTRAINTS Supplemental Restraint System - Tundra
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