BODY ELECTRICAL - SRS AIRBAG SYSTEM
264BE45
Lance
Cross Section
Holder
Lever
Retainer
264BE46
Axis
Lever
BE-144
IMPROPER CONNECTION PREVENTION LOCK MECHANISM
This improper connection prevention lock mechanism consists of the airbag sensor assembly and the
holder.
The airbag sensor assembly has a connector lock pin.
The holder has a lever with a lock groove. The holder and the connectors are locked via a retainer and a
lance.
When connecting the holder and connectors to the airbag sensor assembly, the lever is pushed into position
end by rotating it around the axis of the connector lock pin in order to lock the holder securely.
AIRBAG SENSOR ASSEMBLY
It reaches a deploy judgment to deploy the dual stage driver’s and front passenger’s airbags, driver’s knee
airbag, and pretensioners based on the signals received from the front airbag sensor and the airbag sensor
assembly. In addition, it can reach a deploy judgment to deploy the SRS side airbags and SRS curtain shield
airbags based on signals received from the side & curtain shield airbag sensors and curtain shield airbag
sensors. Furthermore, it is equipped with a diagnosis function to perform self-diagnosis in case of system
malfunctions.
Each signal is transmitted as follows:
Target ECU
Signal
Communication path
THS ECU
Fuel Cut Signal
CAN communication circuit
THS ECU
SMR Cut Signal
Direct Circuit
Combination Meter
SRS Warning Light ON Demand Signal Driver
Seat Belt Remainder Light ON Demand Signal
CAN communication circuit