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SRS AIR BAG DIAGNOSIS TSB Revision SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-143 DTC B1B22: Curtain Air Bag Module (RH) (Squib) System (Squib Circuit Open) CAUTION If DTC B1B22 is set in the SRS-ECU, always diag- . CIRCUIT OPERATION • The SRS-ECU judges how severe a collision is by detecting signals from the side impact sensors • The ignition signal is input to the curtain air bag module (RH) to inflate the curtain air bag. AC709517 CURTAIN AIR BAG : CONNECTOR LOCK SWITCH NOTE SRS-ECU Curtain Air Bag Module (Squib) (RH) Circuit AB AC901076 C-27 (Y) AC Connector: C-27 AC901080AC Connectors: D-08, D-104 D-104 (B) D-08 (Y) |