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SRS AIR BAG DIAGNOSIS TSB Revision SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-103 DTC B1B18: Curtain Air Bag Module (LH) (Squib) System (Shorted to Squib Circuit Ground) CAUTION If DTC B1B18 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 (LH) to inflate the curtain air bag. CURTAIN AIR BAG SRS-ECU AC709440 Curtain Air Bag Module (Squib) (LH) Circuit NOTE *: CONNECTOR LOCK SWITCH CONNECTOR COUPLED: ON AB AC901076 C-27 (Y) AC Connector: C-27 AC901080AB Connectors: D-13, D-109 D-109 (B) D-13 (Y) |