Toyota Tacoma 2015-2018 Service Manual: Center Airbag Sensor Assembly Malfunction (B1000/31)
DESCRIPTION
The airbag sensor assembly consists of a deceleration sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc.
If the airbag sensor assembly receives signals from the deceleration sensor, it determines whether or not the SRS should be activated.
DTC B1000/31 is set when a malfunction is detected in the airbag sensor assembly.
|
DTC No. |
DTC Detecting Condition |
Trouble Area |
|---|---|---|
|
B1000/31 |
Airbag sensor assembly malfunction |
Airbag sensor assembly |
HINT:
When any other DTCs are set simultaneously with B1000/31, repair the malfunctions indicated by those DTCs first.
PROCEDURE
|
1. |
CHECK DTC |
(a) Check for DTCs (See page .gif)
).
|
Result |
Proceed to |
|---|---|
|
DTC B1000/31 is output |
A |
|
DTC B1000/31 and other DTCs are output |
B |
NOTICE:
If only DTC B1000/31 is output, do not clear the DTCs, replace the airbag sensor assembly.
HINT:
If any DTCs other than DTC B1000/31 are also output, troubleshoot those DTCs first.
| A | .gif) |
REPLACE AIRBAG SENSOR ASSEMBLY |
| B | |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
Rear Airbag Sensor LH Circuit Malfunction (B1635/24)
DESCRIPTION
The airbag sensor LH consists of parts such as the safing sensor, the diagnostic
circuit and the lateral deceleration sensor.
When the airbag sensor assembly receives signals from the ...
Front Airbag Sensor LH Circuit Malfunction (B1615/14)
DESCRIPTION
The front airbag sensor LH consists of parts such as the diagnostic circuit and
the frontal detection sensor.
When the airbag sensor assembly receives signals from the frontal decelera ...
Other materials:
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL REAR BUMPER SIDE STAY LH
(a) Install the rear bumper side stay LH with the 2 bolts.
Torque:
30 N·m {306 kgf·cm, 22 ft·lbf}
2. INSTALL REAR BUMPER SIDE STAY RH
HINT:
Use the same procedure as for ...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT SEAT ASSEMBLY (for Driver Side)
(See page
)
2. REMOVE FRONT SEAT ASSEMBLY (for Front Passenger Side)
(See page
)
3. REMOVE SEPARATE TYPE FRONT SEATBACK COVER (for Driver Side)
(See page
)
4. REMOVE SEPARATE TYPE FRONT SEATBACK COVER (for Front Pa ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL INSTRUMENT PANEL CUSHION
(a) Install a new instrument panel cushion as shown in the illustration.
Text in Illustration
*a
R End
*b
25 to 45 mm
(0.984 to 1.772 in.)
...