DESCRIPTION
The airbag sensor assembly consists of the acceleration sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc.
If the airbag sensor assembly receives signals from the acceleration sensor and pressure sensor, it determines whether the airbags and pretensioners should be deployed.
DTC B1000/31 is stored when a malfunction is detected in the airbag sensor assembly.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Test Mode / Check Mode |
---|---|---|---|---|
B1000/31 |
Center Airbag Sensor Assembly Malfunction |
Airbag sensor assembly malfunction |
Airbag sensor assembly |
Does not apply to test/check mode |
PROCEDURE
1. |
CHECK DTC |
(a) Check for DTCs.
Click here
Body Electrical > SRS Airbag > Trouble CodesNOTICE:
If only DTC B1000/31 is output, do not clear the DTC, replace the airbag sensor assembly.
HINT:
If any DTCs other than DTC B1000/31 are also output, troubleshoot those DTCs first.
Result |
Proceed to |
---|---|
Only DTC B1000/31 is output |
A |
DTC B1000/31 and other DTCs are output |
B |
A |
REPLACE AIRBAG SENSOR ASSEMBLY |
B |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
Toyota CH-R Service Manual > Vehicle Stability Control System: SM Solenoid Circuit (C1225-C1228,C1468,C1469,C146A,C146B)
DESCRIPTION
These solenoids turn on when signals are received from the skid control ECU (brake
actuator assembly) and they control the pressure acting on the wheel cylinders to
control the braking force.
DTC No.
Detection Item
DTC Detection Condition
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Toyota CH-R Service Manual > Meter / Gauge System: Tachometer Malfunction
DESCRIPTION
In this circuit, the combination meter assembly receives engine speed signals
from the ECM via CAN communication. The combination meter assembly displays the
engine speed calculated based on the data received from the ECM.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
...