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SRS AIR BAG DIAGNOSIS SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-192 DTC B1473: Seat Belt Pre-Tensioner (LH) (Squib) System Fault for Ground Circuit (Short-Circuited to CAUTION If DTC B1473 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 • Refer to circuit diagrams GROUP- • Refer to configuration diagrams GROUP- . 24DB064A CONNECTOR: D-27 SRS-ECU D-27 (Y) A B 18 10 15 7 13 5 14 6 16 8 17 9 19 11 20 12 1 2 3 4 D-27 Floor harness connector (rear view) AC306920AB CONNECTOR: D-21 D-21 (B) FOWARD CENTER |