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SRS AIR BAG DIAGNOSIS TSB Revision SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-263 DTC B1C47: Front Passenger's Seat Belt Pre-tensioner (Squib) System (Shorted to Squib Circuit CAUTION If DTC B1C47 is set in the SRS-ECU, always diag- . CIRCUIT OPERATION The SRS-ECU judges how severe a collision is by . DTC SET CONDITIONS This DTC is set if there is abnormal resistance . TROUBLESHOOTING HITS • Damaged wiring harnesses or connectors • Short to the ground in the passenger's seat belt pre-tensioner (squib) harness • Malfunction of the SRS-ECU : CONNECTOR NOTE Seat Belt Pre-Tensioner (passenger's side) (Squib) Circuit SRS-ECU SEAT BELT CONNECTOR CONNECTOR AC901076 C-27 (Y) AC Connector: C-27 AC901079 D-130 (B) Connector: D-130 AI |