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:
Crankshaft Position Sensor
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL CRANKSHAFT POSITION SENSOR
(a) Apply a light coat of engine oil to the O-ring of the crankshaft position
sensor.
NOTICE:
When reusing the crankshaft position sensor, inspect the O-ring.
...
Additional Key cannot be Registered
DESCRIPTION
If additional registration is not possible, a malfunction in the certification
ECU (smart key ECU assembly), engine switch, electrical key transmitter sub-assembly
or steering lock ECU (steering lock actuator or UPR bracket assembly) is suspected.
CAUTION / NOTICE / HINT
NOTICE ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE ROOM LIGHT BRACKET
(a) Disengage the guide to remove the room light bracket.
2. REMOVE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY
(a) Remove the 2 bolts and sliding roof drive gear sub-assembly.
...
