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GND IN FRONT DRIVER SIDE PRETENSIONER SQUIB CIRCUIT; SHORT TO B+ IN FRONT DESCRIPTION The front pretensioner squib LH circuit consists of the center airbag sensor and the front seat outer belt LH. This circuit instructs the SRS to deploy when the deployment conditions are met. These DTCs are recorded when a malfunction is detected in the front pretensioner squib LH circuit. DTC TROUBLE DETECTION CONDITION TABLE WIRING DIAGRAM DTC Code Detection Condition Trouble Area B1900/73 When all conditions below are met: The center airbag sensor receives a line short circuit Front pretensioner squib LH malfunction Center airbag sensor malfunction Floor wire Front seat outer belt Center airbag sensor B1901/73 When all conditions below are met: The center airbag sensor receives an open circuit Front pretensioner squib LH malfunction Center airbag sensor malfunction Floor wire Front seat outer belt Center airbag sensor B1902/73 When all conditions below are met: The center airbag sensor receives a short circuit to Front pretensioner squib LH malfunction Center airbag sensor malfunction Floor wire Front seat outer belt Center airbag sensor B1903/73 When all conditions below are met: The center airbag sensor receives a short circuit to Front pretensioner squib LH malfunction Center airbag sensor malfunction Floor wire Front seat outer belt Center airbag sensor
2009 Toyota Tundra 2009 RESTRAINTS Supplemental Restraint System - Tundra
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